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Class Information
Number: 137/83
Name: Fluid handling > Pressure modulating relays or followers > Jet control type
Description: Apparatus which utilize a fluid jet and one or more jet receiving orifices with the control condition varying the pressure in the orifices by varying the amount of jet fluid entering the orifices.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6344702 |
Simplified torque motor |
Feb. 5, 2002 |
| 6158969 |
Hydrostatic pump and disable control therefor |
Dec. 12, 2000 |
| 5768883 |
Flowrate control sytem and method |
Jun. 23, 1998 |
| 5651385 |
Servo drive operated by a pressure medium |
Jul. 29, 1997 |
| 5533935 |
Toy motion simulator |
Jul. 9, 1996 |
| 5522301 |
Pressure control valve for a hydraulic actuator |
Jun. 4, 1996 |
| 5443089 |
Hydraulic amplifiers with reduced leakage at null |
Aug. 22, 1995 |
| 5392809 |
Hyper-reset pressure controller |
Feb. 28, 1995 |
| 5333637 |
Pneumatic instrument particle trap |
Aug. 2, 1994 |
| 5303727 |
Fluidic deflector jet servovalve |
Apr. 19, 1994 |
| 5215111 |
Method of performance improvement for an I/P servo |
Jun. 1, 1993 |
| 5133380 |
Pneumatic control valve |
Jul. 28, 1992 |
| 5133379 |
Servovalve apparatus for use in fluid systems |
Jul. 28, 1992 |
| 5088383 |
Multiplexed hydraulic control system with multiplexing valve having planar port array |
Feb. 18, 1992 |
| 5070898 |
Metering valve |
Dec. 10, 1991 |
| 5067512 |
Servovalve apparatus for use in fluid systems |
Nov. 26, 1991 |
| 5031653 |
Differential cylinder pressure gain compensation for single stage servovalve |
Jul. 16, 1991 |
| 5012836 |
Servovalve apparatus for use in fluid systems |
May. 7, 1991 |
| 5005600 |
Servovalve apparatus for use in fluid systems |
Apr. 9, 1991 |
| 4855659 |
Electropneumatic position regulator |
Aug. 8, 1989 |
| 4796655 |
Fluid control devices |
Jan. 10, 1989 |
| 4743419 |
On-line film fluorination method |
May. 10, 1988 |
| 4660589 |
Optical feedback loop system for a hydraulic servovalve |
Apr. 28, 1987 |
| 4638830 |
High sensitivity magnetic actuator |
Jan. 27, 1987 |
| 4614560 |
Pneumatic adhesive control system |
Sep. 30, 1986 |
| 4534376 |
Electric signal to pressure signal transducer |
Aug. 13, 1985 |
| 4503875 |
Gas high-low pressure control apparatus |
Mar. 12, 1985 |
| 4442855 |
Fail-safe single-stage servovalve |
Apr. 17, 1984 |
| 4441525 |
Fluidic stabilization control |
Apr. 10, 1984 |
| 4425509 |
Turboflapper nozzle systems |
Jan. 10, 1984 |
| 4378031 |
Electrohydraulic servovalve |
Mar. 29, 1983 |
| 4368750 |
Ball-type feedback motor for servovalves |
Jan. 18, 1983 |
| 4291716 |
Pilot stage valve |
Sep. 29, 1981 |
| 4273149 |
Blind pressure pilot |
Jun. 16, 1981 |
| 4170244 |
Pressure tight valve seat for valves consisting of two opposing tubes |
Oct. 9, 1979 |
| 4141376 |
Digital servovalve drive |
Feb. 27, 1979 |
| 4112960 |
Variable-gradient spring sub-assembly |
Sep. 12, 1978 |
| 4029979 |
Fluidic to electric transducer and method |
Jun. 14, 1977 |
| 4010767 |
Fuel supply and distribution system |
Mar. 8, 1977 |
| 4003396 |
Proportional control closed circuit gas admission system |
Jan. 18, 1977 |
| 3999381 |
Position control of jet pipe in missile attitude control system |
Dec. 28, 1976 |
| 3993101 |
Tristable fluidic device |
Nov. 23, 1976 |
| 3990824 |
Film size control apparatus for the blown film process |
Nov. 9, 1976 |
| 3986856 |
Blowing apparatus having individual control of nozzles |
Oct. 19, 1976 |
| 3976089 |
Sensing device |
Aug. 24, 1976 |
| 3965918 |
Electro-fluidic signal converter |
Jun. 29, 1976 |
| 3962903 |
Method and system for sensing an identifying means |
Jun. 15, 1976 |
| 3942558 |
Torsional reed reference fluidic oscillator |
Mar. 9, 1976 |
| 3939857 |
Dual piezoelectric fluid jet transfer valve |
Feb. 24, 1976 |
| 3934603 |
Fluidic upstream control of the directional flow of a power jet exiting a fluidic power nozzle |
Jan. 27, 1976 |
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