| Fluidic Control of Virtual Aerosurfaces |
APR 2007 |
71 pages |
| Authors:
Ari Glezer; GEORGIA INST OF TECH ATLANTA SCHOOL OF MECHANICAL ENGINEERING
|
 | This experimental research has focused on modifying the global aerodynamic characteristics of lifting surfaces at cruise (low) angles of attack when the baseline flow is fully attached. Using hybrid actuators, trapped vorticity concentrations at the leading and trailing edges affect aerodynamic forces and moment without control surfaces. Hybrid actuators employ miniature obstructions with integrated synthetic jet actuators. Actuation on the pressure surface near the leading edge results in a substantial ... |
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| Performance Testing of the Active Core Exhaust (ACE) Fluidic Mixing System |
MAR 2006 |
84 pages |
| Authors:
R. J. Gaeta; B. Murdock; A. Churny; N. Hunter; GEORGIA TECH RESEARCH INST ATLANTA
|
| This report describes the work performed by the Georgia Tech Research Institute (GTRI) under a grant funded by the Air Force Office of Scientific Research (AFOSR). This grant was facilitated by the Air Force Research laboratory's (AFRL) Air Vehicle Directorate to evaluate an existing fluidic jet mixing design system. Specifically, the operational design space of the Active Core Exhaust (ACE) Control system was explored. |
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| Fluidic Device Controlled by Remotely Located Acoustic Energy Source |
25 NOV 1997 |
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| Authors:
Robert Kuklinski; Stuart C. Dickinson; DEPARTMENT OF THE NAVY WASHINGTON DC
|
 | A fluidic device is provided to control the path of a fluid. A control chamber has at least one window incorporated therein that permits acoustic waves impinging thereon to pass there through. An ultrasonic source is remotely located with respect to the control chamber and a coupling medium such as water, air or an acoustic waveguide, acoustically couples the acoustic waves to the window(s). |
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| Fluid Dynamic Linear Accelerometer. |
17 MAY 1993 |
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| Authors:
David E. Keyser; DEPARTMENT OF THE NAVY WASHINGTON DC
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| A linear acceleration sensing device operates through a fluid medium. A fluid signal output represents a differential pressure from the elastic deformation of a fluid-filled diaphragm or bellows assembly. A pair of fluid proximity sensors operate differentially in a fluid control network and detect the elastic deformation of the diaphragm assembly caused by increased hydrostatic pressure resulting from a change in acceleration, or 'g' force. |
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| Fluidics: Basic Components and Applications |
AUG 1983 |
24 pages |
| Authors:
James W. Joyce; HARRY DIAMOND LABS ADELPHI MD
|
| Since its discovery at Harry Diamond Lab. in 1959, fluidics has gradually been developed into a viable technology. This report describes fluidic components and systems now in use or ready for use in many applications. The fluidic technology provides sensing, computing, and controlling functions with fluid power through interaction of fluid streams. Since fluidics can perform these functions without mechanical moving parts that will wear out, it has the advantages ... |
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| Pulse-Type Cleaning Means for Filter Panels. |
29 JUN 1983 |
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| Authors:
Harry R. Camplin; Patrick Golden; DEPARTMENT OF THE ARMY WASHINGTON DC
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| The process of removing embedded particulates from the pore surfaces of an engine air cleaner (pleated paper type) is facilitated by blowing pulses (or jets) of compressed air through the filter media in the reverse flow direction. The invention relates to the employment of a fluidic oscillator for producing the air pulses. The oscillator is used in a switching mode such that alternated pulses are applied to different air cleaner ... |
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| Fluidic-Controlled Oxygen Intermittent Demand Flow Device. |
26 APR 1983 |
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| Authors:
George Mon; DEPARTMENT OF THE ARMY WASHINGTON DC
|
| The apparatus of the present invention comprises means for regulating intermittent flow of respiratory fluid to a patient during oxygen therapy. The invention utilizes laminar fluidic elements in the control circuit for regulating the operation of an oxygen flow valve. (Author) |
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| Electrofluidic Angular Rate Sensor for Ejection Seat Thrust Vector Control |
FEB 1983 |
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| Authors:
D. R. Keyser; NAVAL AIR DEVELOPMENT CENTER WARMINSTER PA AIRCRAFT AND CREW SYSTEMS TECHNOLOGY DIRECTORATE
|
| Three Hamilton Standard electrofluidic roll rate sensors were tested to measure their dynamic performance and their sensitivity to rotation about an orthogonal axis. An empirical dynamic mathematical model is derieved for use in computer simulation of ejection seat dynamics. The test data are reported and evaluated. The date were used in part to develop a specification for a three- axis angular rate sensor intended for thrust vector control of an ... |
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| Fluidic Transmission Controller. |
16 SEP 1982 |
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| Authors:
Joseph W. Morris; Maurice F. Funke; DEPARTMENT OF THE ARMY WASHINGTON DC
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| Document describes a transmission controller that includes a series of fluidic comparators receiving power signals from selected ports in a manually-actuable range selector valve. Hydraulic signals representing engine throttle position and transmission output speed are beamed against each comparator main flow stream to switch the flow between a primary collector port and alternate collector port. Comparator outputs are amplified and applied to the end faces of spool valves that provide ... |
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| Adjustable Parallel Fluidic Resistor Bank. |
17 NOV 1981 |
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| Authors:
John F. Burke; DEPARTMENT OF THE ARMY WASHINGTON DC
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| A fluidic resistor module, including resistor channels connected in parallel between two common ports, is permanently adjustable by deforming the cross sections of the individual channels by externally applied forces. The channels are formed on the interior surface of an exterior plate of a bonded plate module, and the indicia indicating the locations of channels are formed on the exterior surface of the plate. A pair of adjustable resistor modules ... |
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| Dualchannel Fuel Control Program |
AUG 1981 |
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| Authors:
John Itamoto; John Goto; GARRETT PNEUMATIC SYSTEMS DIV PHOENIX AZ
|
| This report presents the results of a program conducted by Garrett to investigate a dual-channel fuel control for gas turbine engines which could be used in military ground vehicles. The program presents a control system with requirements that are deemed necessary to provide a military gas turbine-powered vehicle with battlefield survivability and minimal restriction on the capability of completing the vehicle mission. This study showed that a parallel dissimilar technology ... |
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| Fluidic Thermistor/Fugacity Device. |
28 APR 1981 |
|
| Authors:
Taki Negas; Louis P. Dominques; Tadeusz M. Drzewiecki; Richard M. Phillippi; DEPARTMENT OF THE ARMY WASHINGTON DC
|
| A device for measuring the fugacity of a material, without requiring a separate device to measure temperature, is disclosed, wherein the device is a solid electrolyte probe, with the probe having a passageway therein, and metallic conductor leads on the outside of the probe and on the inside of the probe in the passageway. The metallic conductor leads are in contact with an E.M.F. measuring circuit, with the reference fluid ... |
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| Fluidic Valve. |
30 DEC 1980 |
|
| Authors:
George Mon; DEPARTMENT OF THE ARMY WASHINGTON DC
|
| A fluidic valve which includes a supply nozzle for discharging a fluid power stream, and a pair of outlet channels for receiving the power stream. A rigid member is disposed inside the power nozzle so that it splits the power stream evenly and fluid exits via the two outlet channels with equal pressures. A shaft upon which the rigid member is mounted is responsive to an external input signal for ... |
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| Fluidic Controlled Diffusers for Turbopumps. |
21 OCT 1980 |
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| Authors:
Sydney Davis; John M. Durkin; DEPARTMENT OF THE NAVY WASHINGTON DC
|
| An arrangement controls the apparent curvature of diffuser vanes of a turbine fan to reduce stalling of the vanes and increase efficiency of the fan output over a wider range of flow demand. Sensors responsive to pressure on opposite sides of the vanes selectively control the discharge of pressurized fluid from the diffuser vanes to effect their apparent curvature changes. The arrangement has particular use in a ride control system ... |
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| Hydrogen Gas Generator as Power Supply for Fluidic Sequencer |
22 AUG 1980 |
35 pages |
| Authors:
William H. Barber; Ottmar H. Dengel; NAVAL SURFACE WEAPONS CENTER SILVER SPRING MD
|
| This report summarizes the efforts to develop a hydrogen gas generator for a fluidic event sequencing subsystem (FESS). During the course of this project, not only was a pelletized grain design successfully utilized for the first time, but an entirely new formulation had to be developed to meet the FESS operational and functional requirements. All parameters for the FESS application were met, and only slight modifications in pellet size will ... |
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| Fluidic Interface Means. |
13 MAY 1980 |
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| Authors:
Robert W. Young; Leonard D. Dansbury; DEPARTMENT OF THE NAVY WASHINGTON DC
|
| A means for interfacing between low pressure, low flow fluidic circuits and the high pressure, high flow input requirements of fluidic digital thrusters to control the roll, pitch or yaw rate of missiles is provided. Input pressures from the fluidic circuitry cause a fluidic digital amplifier to go to one of its two stable states. The output from the digital amplifier operates one piston in the interface means, causing it ... |
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| A Study of Fluidic Gun Stabilization Systems for Combat Vehicles. Revision B |
28 APR 1980 |
|
| Authors:
Charles L. Abbott; Thomas B. Tippetts; Stephen M. Tenney; Charles Paras; AIRESEARCH MFG CO OF ARIZONA PHOENIX
|
| A control system was developed for stabilization of the main gun of an armored combat vehicle. The system maintains target alignment of the gun while the vehicle is maneuvering over uneven terrain. The system utilizes fluidic technology for motion sensing, computation, and servovalve control. The program encompassed system dynamic analysis, laboratory testing, and on-vehicle development. |
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| Fluidic Recoil Buffer for Small Arms. |
14 SEP 1979 |
|
| Authors:
M. Goes; DEPARTMENT OF THE ARMY WASHINGTON DC
|
| A weapon is provided with means to buffer the recoil which is produced when the weapon is fired. The buffer includes a fluidic device having a first and a second chamber. During recoil, a compressive force is applied to the fluid in the first chamber and flow from the first chamber to the second chamber is restricted by a fluidic diode in relationship to the pressure differential between the first ... |
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| Adjustable Parallel Fluidic Resistor Bank. |
30 AUG 1979 |
|
| Authors:
John F. Burke; DEPARTMENT OF THE ARMY WASHINGTON DC
|
| A fluidic resistor module, including resistor channels connected in parallel between two common ports, is permanently adjustable by deforming the cross sections of the individual channels by externally applied forces. The channels are formed on the interior surface of an exterior plate of a bonded plate module, and the indicia indicating the locations of the channels are formed on the exterior surface of the plate. A pair of adjustable resistor ... |
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| Fluidic Combustion Control of a Solid Fuel Ramjet. |
06 FEB 1979 |
|
| Authors:
Allen L. Holzman; DEPARTMENT OF THE NAVY WASHINGTON DC
|
| Fluidic combustion control of a ramjet by injecting a fluid into the base or recirculation region to reduce the cirtical injection parameter, or to shut down the ramjet without affecting the hot air flow. (Author) |
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| Ultrasonically Activated Diffusion Bonding for Fluidic Control Assembly, |
FEB 1979 |
|
| Authors:
Howard A. Scheetz; Paul L. Coppa; Janet Devine; SONOBOND CORP WEST CHESTER PA
|
| Modified ultrasonic metal bonding equipment was used to develop a new fluidic stack assembly process. Ultrasonically activated diffusion bonding was successfully applied to aluminum laminates of different sizes (up to 1 by 1 inches), different foil thicknesses (2, 3, and 5 mils), and different number of layers (up to 18). Bonds were obtained without excessive deformation, within a few second of ultrasonic bonding time, on as-received surfaces, with special atmospheres, ... |
|
| Spiral Orifice Dashpot Timer. |
29 AUG 1978 |
|
| Authors:
Alexey T. Zacharin; DEPARTMENT OF THE ARMY WASHINGTON D C
|
| The present invention relates to a fluid controlled timer comprising a cylindrical housing, and a close-fitting rotary shaft positioned co-axially within the housing. A spiral passageway scribed between the housing and the rotary shaft extends between the ends of the housing. The spiral passageway contains a viscous liquid and a sphere slidably disposed therein and capable of traversing the entire passageway length. An external constant torque spring connected to one ... |
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| Development of Critical Fluidic Components, |
14 JUL 1978 |
|
| Authors:
Kevin C. S. Chen; Vincent F. Neradka; TRITEC INC COLUMBIA MD
|
| This report is an independent assessment of the performance of three fluidic rate sensors which were provided for test. All tests were run using MIL-H-5606 hydraulic fluid. The results of the testing showed that the Fluidisc had the lowest threshold and null sensitivity, and that its output is sufficient to directly drive some hydraulic components. On the other hand the Laminar Angular Rate Sensor is the most economical sensor and ... |
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| An Evaluation of the Fluidic Oxygen Partial Pressure Sensor. |
DEC 1977 |
|
| Authors:
Robert L. Woods; TEXAS UNIV AT ARLINGTON DEPT OF MECHANICAL ENGINEERING
|
| A theoretical concept for a fluidic gas partial pressure sensor is evaluated. In the sensor concept, a fluidic resistive bridge gas concentration sensor is powered by the vacuum produced with a compressible flow ejector. Because of the ejector characteristics, the pressure drop across the bridge is proportional to the ambient pressure; hence, the sensor output is proportional to the gas concentration and the ambient pressure, the product of which is ... |
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| Fabrication and Test of a Fluidic Fuel-Control and Bleed-Air-Load-Control System for Gas Turbine Engines. |
DEC 1977 |
|
| Authors:
T. S. Thurston; AIRESEARCH MFG CO OF ARIZONA PHOENIX
|
| This program has produced a production fluidic fuel-control and bleed-air-load-control system which consists of a fuel control, a load valve, and a temperature sensor. Three sets of hardware were produced for use in a follow-on program. This hardware will be subjected to acceptance tests on the AiResearch Model GTCP85-180 gas turbine engine. The production system improved the steady-state performance over that demonstrated on the prototype control produced under the previous ... |
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| Hydraulic Drive and Hydropneumoautomation. Part 2, |
15 FEB 1977 |
|
| Authors:
T. M. Bashta; FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
|
| Contents: Chapter I. Principles of Applied Hydraulics. Working Fluids and Their Properties; Chapter II. Actuating Mechanisms; Chapter III. Devices (Apparatuses) of Distribution and Control; Chapter IV. Hydraulic Servomechanisms (Hydraulic Boosters); Chapter V. Circuits of Standard Hydraulic Systems Their Elements and Basic Calculations. Circuits of Standard Hydraulic Systems; Chapter VI. Packing of the Connections of Hydraulic System; Chapter VII. Decontamination (Filtration) of Working Fluid; and Chapter VIII. Pneumatic (Gas) Drives. |
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| Hydraulic Drive and Hydropneumoautomation. Part 1, |
15 FEB 1977 |
|
| Authors:
T. M. Bashta; FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
|
| Contents: Chapter I. Principles of Applied Hydraulics. Working Fluids and Their Properties; Chapter II. Actuating Mechanisms; Chapter III. Devices (Apparatuses) of Distribution and Control; Chapter IV. Hydraulic Servomechanisms (Hydraulic Boosters); Chapter V. Circuits of Standard Hydraulic Systems Their Elements and Basic Calculations. Circuits of Standard Hydraulic Systems; Chapter VI. Packing of the Connections of Hydraulic System; Chapter VII. Decontamination (Filtration) of Working Fluid; and Chapter VIII. Pneumatic (Gas) Drives. |
|
| Fluerics 39: The Fluid Mechanics of Fluidics. |
FEB 1977 |
|
| Authors:
Tadeusz M. Drzewiecki; HARRY DIAMOND LABS ADELPHI MD
|
| Some of the models of fluidic devices where specific treatment of fluid phenomena is presented are discussed in this paper. By modelling jets in terms of their momentum flux, one can obtain quite accurate results for pressure recovery of fluidic devices wherein the jet is stagnated and turned. Dynamic effects of pneumatic and hydraulic jet flow devices can be modelled by use of lumped parameters concepts such as slug flow ... |
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| Development of a Fluidic Oxygen Regulator. |
JAN 1977 |
|
| Authors:
Frederick A. Moynihan; HONEYWELL SYSTEMS AND RESEARCH CENTER MINNEAPOLIS MN
|
| The object of this study was to build and test a breadboard of an automatic oxygen regulator using fluidic techniques. Goals set for the regulator were that it should have oxygen economy, be rugged, simple, and self-powered. Feasibility of controlling the oxygen enrichment following a specified cabin pressure schedule was demonstrated. Features of the mixture control circuit were a fluidic function generator, a fluidic pulse duration modulator and an ejector ... |
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| Development of a Hydrofluidic Vernier Rocket Control System for Ejection Seat Stabilization. |
DEC 1976 |
|
| Authors:
R. V. Burton ; R. B. Beale; HONEYWELL INC MINNEAPOLIS MINN SYSTEMS AND RESEARCH CENTER
|
| A feasibility demonstration model of a fluidic thrust vector control (FTVC) system was designed, fabricated, and tested for pitch stabilization of ejection seats using the STAPAC vernier rocket. The control system includes a rate sensor, amplifier, attitude memory, and a position-controlled hydrofluidic servoactuator. The measured dynamic response of the control system closely matched the theoretical specifications for stable attitude control of the seat. The hardware was tested on a hydraulic ... |
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| Hydraulic Fluidic Level Control System. |
05 OCT 1976 |
|
| Authors:
Richard H. Fashbaugh; Edward R. Durlak; DEPARTMENT OF THE NAVY WASHINGTON D C
|
| A hydraulic fluidic level sensor for detecting an angular deviation from gravity vertical comprising an inverted pendulum in conjunction with two fluidic proximity sensors to provide an output signal proportional to the angular deviation. Opposing fluid jets from the fluidic proximity sensors impinge on the inverted pendulum shaft to produce a net jet force which counter-balances the pendulum moment due to gravity. The pressure signal output from the proximity sensors ... |
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| Fluidic Link Master/Slave Fuze System. |
21 SEP 1976 |
|
| Authors:
Norman Czajkowski; John H. S. McMann; DEPARTMENT OF THE NAVY WASHINGTON D C
|
| A fuze system for cluster weapons comprises a dispenser fuze signal generator, low complexity bomblet fuze signal receivers and a fluidic signal link. The dispenser fuze generates a pneumatic enabling and arming signal to the bomblet fuzes and opens the dispenser. Derormable signal processing diaphragms and detents enable the bomblet fuzes and arm the bomblets upon dispenser opening. |
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| Development of a Fluidic Control System for a Gas Turbine Generator Set. |
SEP 1976 |
|
| Authors:
Michael J. Hoglund; AIRESEARCH MFG CO OF ARIZONA PHOENIX
|
| This report presents the results of a program conducted to evaluate the application of fluidics to an automatic start sequence and protective control system of an auxiliary power gas turbine engine. The program encompassed the engine selection, control design, and test of the fluidic controller known as an Engine Logic Pack. The program successfully demonstrated by engine test that fully automatic control of a gas turbine engine with fluidics is ... |
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| Generation, Measurement and Suppression of Large Scale Vorticity in Internal Flows. |
AUG 1976 |
|
| Authors:
R. A. Wigeland; M. Ahmed; H. M. Nagib; ILLINOIS INST OF TECH CHICAGO DEPT OF MECHANICS MECHANICAL AND AEROSPACE ENGINEERING
|
| The main objectives are not only to develop recommended procedures for control of large scale swirling and secondary flows, but also to extract from empirical observations general concepts which design and test engineers could adapt for 'tailoring and manipulating' their own special flows with different rotational characteristics. Several typical rotational flows were generated and superimposed on the flow through the test section. Careful calibration was carried out using hot-wire anemometers, ... |
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| A Control System for the Wind Tunnel Model of a Reverse-Blowing Circulation Control Rotor (RB-CCR) |
MAY 1976 |
41 pages |
| Authors:
Kenneth R. Reader; DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD AVIATION AND SURFACE EFFECTS DEPT
|
| A pneumatic valving system has been developed to provide cyclic and collective control inputs for a circulation control type rotor over an advance ratio range of 0 to 2.0. The design method and experimental techniques utilized in developing the control system for a wind tunnel model of the reverse-blowing circulation control rotor (RB-CCR) are discussed and a tradeoff is presented between two control systems which have potential for the necessary ... |
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| Fluidic Analog Ring Position Device. |
23 DEC 1975 |
|
| Authors:
Gerald E. Kovalenko; Charles E. Woods; DEPARTMENT OF THE NAVY WASHINGTON D C
|
| The invention relates to a ring position sensor which was developed to measure ring-switch position during flight of a projectile. |
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| Hydraulic Fluidic Level Control Unit. |
DEC 1975 |
|
| Authors:
E. R. Durlak; R. H. Fashbaugh; CIVIL ENGINEERING LAB (NAVY) PORT HUENEME CALIF
|
| An experimental hydraulic fluidic control unit has been developed that will detect and correct angular variations, such as those experienced by a bulldozer grader blade. The developmental testing was accomplished in two phases. The first phase developed a hybrid electrical/hydraulic system, while the second phase eliminated the electrical interface. The necessary modifications to the equipment were accomplished at CEL. The fluidic control unit requires only an input pressure source, which ... |
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| Fluidic Thrust Vector Control for the Stabilization of Man/Ejection Seat Systems. |
OCT 1975 |
|
| Authors:
R. B. Beale; HONEYWELL INC MINNEAPOLIS MINN SYSTEMS AND RESEARCH CENTER
|
| A 2-axis, hydrofluidic thrust vector control (TVC) system was designed to improve the total trajectory of an ejection seat system during adverse conditions from 0 to 600 knots air speed. A nonlinear model of the seat was derived and linearized to determine the best hardware components for meeting those requirements. A vortex rate sensor, fluidic resistance-capacitance (rc) compensation and a two stage servovalve, using hot gas pressurized oil were chosen ... |
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| Investigation of Fluidically Controlled Suspension Systems for Tracked Vehicles. |
SEP 1975 |
|
| Authors:
William R. Eberle; Mel M. Steele; PURDUE UNIV LAFAYETTE IND SCHOOL OF AERONAUTICS ASTRONAUTICS AND ENGINEERING SCIENCES
|
| The use of fluidic components in a hydropneumatic suspension system is expected to significantly improve certain performance characteristics of the suspension system. Several candidate variable damping and variable springing systems are discussed. The damping and springing parameters are functions of relative position (between the wheel and the vehicle body), relative velocity, and vertical acceleration of the vehicle body. A mathematical model is derived for each candidate system. A brief performance ... |
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| Testing a Fluidic Temperature Sensor on a Subscale Ramjet Engine Combustion Chamber. |
JUN 1975 |
|
| Authors:
John T. Hojnacki; AIR FORCE AERO PROPULSION LAB WRIGHT-PATTERSON AFB OHIO
|
| Data obtained from 26 tests that used three fluidic temperature sensors to measure gas temperatures in a subscale ramjet engine combustion chamber are presented. The test variables for the combustion chamber were chamber pressure and chamber temperature. Tests were conducted using nominal chamber pressures of 35 and 70 psia and chamber total temperatures of 2500 R, 3000 R, and 3800 R. One of the sensors used various insulator materials which ... |
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| Hydraulic Control Handle/Elevation Axis Closed-Loop System Evaluation (Fluidic Armament Control System). |
MAY 1975 |
|
| Authors:
R. V. Burton; HONEYWELL INC ST LOUIS PARK MINN GOVERNMENT AND AERONAUTICAL PRODUCTS DIV
|
| The investigation of Fluidic Armament Control System (FACS) mechanizations for combat vehicle stabilized-gun/turret-control system applications was initiated in 1968 based on the need for developing low-cost systems. The accomplishments in this program result from effort, conducted on three limited-scope contracts over the 1968-1974 time frame, to demonstrate for the first time the closed-loop operation of an all-fluidic stabilized gun tracking system. A laboratory demonstration was conducted of an elevation axis ... |
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| Fluidic Inertial Gyro. |
24 MAR 1975 |
|
| Authors:
Rolf K. Broderson; DEPARTMENT OF THE NAVY WASHINGTON D C
|
| The patent application relates to a continuous run, single axis, single degree of freedom gas operated fluidic inertial gyro. It comprises a housing, a gimbal assembly supported in the housing on gas thrust and journal bearings, a turbine type spin rotor with axle mounting the rotor in the gimbal assembly, and shaft means forming part of the gimbal assembly and providing passageways to channel input flow to and vent flow ... |
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| A Fluidic Fuel Control for Small Gas Turbine Engines. Development of AiResearch Fluidic Fuel Control 710374-4 for AiResearch Gas Turbine Engine Model GTPR36-61A. |
10 MAR 1975 |
|
| Authors:
R. S. McCarty; H. R. Gamble; AIRESEARCH MFG CO OF ARIZONA PHOENIX
|
| This is the final report of a program conducted by AiResearch and funded by the U.S. Army Mobility Equipment Research and Development Center to develop a fluidic fuel control for a small recuperated gas turbine engine. The basic functions provided by the control include engine starting, speed governing, and exhaust gas temperature limiting. Analysis, fabrication, and testing of the various fluidic circuits employed to generate the required control functions are ... |
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| Fluidically Controlled Cargo Hook. |
MAR 1975 |
|
| Authors:
Walter Huebner; Wayne Throp; UNITED AIRCRAFT CORP STRATFORD CONN SIKORSKY AIRCRAFT DIV
|
| A program to design, fabricate, and test a fluidically controlled cargo hook for a CH-54 type helicopter was conducted. The existing cargo system uses an electrically controlled cargo hook which is attached to a 100-foot length of cable wound on a hoist drum. The existing hoist system was modified to permit a prototype pneumatic/fluidic system to be used in place of the electrical system. The system was tested and, though ... |
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| Fluidic Free Flight Sensor. |
18 FEB 1975 |
|
| Authors:
James O. Hedeen; Harvey D. Ogren; DEPARTMENT OF THE AIR FORCE WASHINGTON D C
|
| The patent relates to a free flight sensor adapted for use in munitions using ram air power to operate a mechanical safing means, sensing vertical velocity with a pitot-static pressure system and a two-axis fluidic accelerometer to sense vertical acceleration. |
|
| A Flux Circuit Analysis for the Magnetic Transducer of a Fluidic Reed Generator |
JAN 1975 |
55 pages |
| Authors:
Herbert A. Leupold; Frederick Rothwarf; Doyle Edmiston; Carl J. Campagnoulo; Henry Lee; HARRY DIAMOND LABS ADELPHI MD
|
| A mathematical analysis is made of the magnetic circuit of a fluidic generator to be used in various fuzing applications. A method for obtaining the approximate power output of a prototype generator as a function of the relevant geometric parameters is developed, and sample calculations are made for some typical values of these parameters. In the present design the calculations show that both the vibrating reed and part of the ... |
|
| Fluidic Liquid Sensing System. |
08 OCT 1974 |
|
| Authors:
Horace B. Welk Jr; DEPARTMENT OF THE NAVY WASHINGTON D C
|
| The patent relates to a liquid level sensing system comprising a pair of sensors, a fluidic logic circuit and a warning device. The sensors are placed at two preselected measurement levels within a vented reservoir, each sensor including a hollow, vertical tube with a wire mesh cage containing a buoyant ball float of a diameter larger than the tube diameter attached to the tube bottom. Constant pressure gas is connected ... |
|
| Development of a Pneumatic-Fluidic Antiskid System. |
OCT 1974 |
|
| Authors:
H. H. Straub; R. F. Yurczyk; N. S. Attri; BOEING COMMERCIAL AIRPLANE CO SEATTLE WASH
|
| The development of a breadboard pneumatic-fluidic antiskid system is described. This includes a computer concept simulation, development of the wheel-speed sensor, the antiskid circuit, and modification of an existing antiskid valve. Performance evaluation of the fluidic antiskid system on an analog-hardware brake control simulator and the dynamometer demonstrated stopping efficiencies above 80%. Evaluation of the system on the simulator is supported by a brake dynamics test for the establishment of ... |
|
| Three-Axis Fluidic/Electronic Automatic Flight Control System Flight Test Report. |
AUG 1974 |
|
| Authors:
L. S. Cotton; UNITED AIRCRAFT CORP STRATFORD CONN SIKORSKY AIRCRAFT DIV
|
| This report covers the flight test of a three-axis Hydrofluidic Stability Augmentation System (HYSAS) coupled with a completely independent parallel attitude and heading hold for a CH-54B helicopter. The design goal was to evaluate the performance of the CH-54B Automatic Flight Control System (AFCS) with the electronic SAS replaced with a fluidic SAS and to establish the technical base for a fluidic inner loop and electronic outer loop control system. ... |
|
| Fluidic Armament Turret System M-28 Turret 2-Axis Damper. |
AUG 1974 |
|
| Authors:
Richard Evans; J. Robert Sjolund; HONEYWELL INC HOPKINS MINN GOVERNMENT AND AERONAUTICAL PRODUCTS DIV
|
| The Fluidic Armament Turret System (FATS) is a two-axis hydrofluidic-electronic hybrid inertial damping system for the XM28 turret. The program includes analysis, hardware design, fabrication, and testing. Turret performance is finally compared with and without the turret damper during firing tests from an AH-1G Helicopter, at the Honeywell Proving Grounds. (Modified author abstract) |
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Reports by Keyword(s)
*FLUIDIC CONTROL
