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Class Information
Number: 60/593
Name: Power plants > Pressure fluid source and motor > Pulsator > Having fluid motor driving piston of master unit
Description: Apparatus wherein a master cylinder working member is actuated by a rotary motor or an expansible chamber driven by a fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533528 |
Actuator assembly |
May. 19, 2009 |
| 7322190 |
Hydraulic system for synchronized extension of multiple cylinders |
Jan. 29, 2008 |
| 7222703 |
Apparatus for controlling hydraulic brakes in bicycles, motorbicycles and the like |
May. 29, 2007 |
| 7134280 |
Hydraulic system for synchronized extension of multiple cylinders |
Nov. 14, 2006 |
| 7107769 |
Master cylinder |
Sep. 19, 2006 |
| 7108108 |
Rod clamping device |
Sep. 19, 2006 |
| 7047738 |
Hydraulic system for synchronized extension of multiple cylinders |
May. 23, 2006 |
| 6971237 |
Servoactuator having motor-driven actuator with hydraulic force amplification |
Dec. 6, 2005 |
| 6918249 |
Pneumatic brake booster for use in a brake system |
Jul. 19, 2005 |
| 6851261 |
Servoactuator having motor-driven actuator with hydraulic force amplification |
Feb. 8, 2005 |
| 6789857 |
Vehicle brake hydraulic pressure generator |
Sep. 14, 2004 |
| 6789389 |
Piston-cylinder mechanisms and pressure control units utilizing such piston-cylinder mechanisms |
Sep. 14, 2004 |
| 6746326 |
Hydraulic clutch |
Jun. 8, 2004 |
| 6705682 |
Hydraulic brake apparatus for a vehicle |
Mar. 16, 2004 |
| 6629585 |
Vehicle braking system |
Oct. 7, 2003 |
| 6598713 |
Hydraulic locking device |
Jul. 29, 2003 |
| 6467266 |
Brake booster |
Oct. 22, 2002 |
| 6434933 |
Hydraulic pressure brake device for vehicles |
Aug. 20, 2002 |
| 5732811 |
Ram with two control chambers and a clutch release bearing provided with such a ram |
Mar. 31, 1998 |
| 5381661 |
Hydraulic pressure transformer |
Jan. 17, 1995 |
| 5247871 |
Combined pneumatic-hydraulic press head with high actuation speed |
Sep. 28, 1993 |
| 5247870 |
Combined pneumatic-hydraulic press with controlled stroke |
Sep. 28, 1993 |
| 5218821 |
Pressure intensifier cylinder utilizing air |
Jun. 15, 1993 |
| 5188014 |
Hydraulic cylinder with pressure transmission |
Feb. 23, 1993 |
| 5176064 |
Liquid pressure booster |
Jan. 5, 1993 |
| 5150575 |
Hydraulic brake booster |
Sep. 29, 1992 |
| 5062268 |
Fluid actuator |
Nov. 5, 1991 |
| 5058385 |
Pneumatic actuator with hydraulic control |
Oct. 22, 1991 |
| 5027600 |
Brake booster with recessed shell receiving master cylinder flange |
Jul. 2, 1991 |
| 5009068 |
Pneumatic cylinder with positioning, braking, and feed rate control |
Apr. 23, 1991 |
| 4967643 |
Brake booster |
Nov. 6, 1990 |
| 4955197 |
Master cylinder attachment adapter |
Sep. 11, 1990 |
| 4949542 |
Triplex piston system for hydraulic brakes |
Aug. 21, 1990 |
| 4891945 |
Boost-failure responsive fluid tapping valve in tandem master cylinder with booster piston at pedal-remote end of master cylinder |
Jan. 9, 1990 |
| 4884403 |
Modular brake actuator |
Dec. 5, 1989 |
| 4879875 |
Fastener driving tool |
Nov. 14, 1989 |
| 4876853 |
Tandem master cylinder with booster piston at pedal-remote end of master cylinder and with booster-pressure responsive reservoir valve for forward brake circuit |
Oct. 31, 1989 |
| 4823560 |
Refrigeration system employing refrigerant operated dual purpose pump |
Apr. 25, 1989 |
| 4809508 |
Clutch-disengaging hydraulic actuators preventing wheel slip |
Mar. 7, 1989 |
| 4798125 |
Pneumatic type of hydraulic structure |
Jan. 17, 1989 |
| 4791824 |
Hydraulic assisted machine |
Dec. 20, 1988 |
| 4787206 |
Hydraulic pressure transducer |
Nov. 29, 1988 |
| 4777800 |
Static head charged hydraulic accumulator |
Oct. 18, 1988 |
| 4776774 |
Hydraulic double-acting hydropneumatic pressure multiplying device |
Oct. 11, 1988 |
| 4773222 |
Pneumatic brake booster with booster-cylinder-end retained relay valve |
Sep. 27, 1988 |
| 4771604 |
Pneumatic brake booster with relay valve in the booster-cylinder-end |
Sep. 20, 1988 |
| 4765140 |
Piezoelectric servomechanism apparatus |
Aug. 23, 1988 |
| 4754605 |
Hydraulic brake system |
Jul. 5, 1988 |
| 4751864 |
Cutting tool having an intensifier |
Jun. 21, 1988 |
| 4735051 |
Double admitting pressure intensifier |
Apr. 5, 1988 |
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