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Class Information
Number: 60/548
Name: Power plants > Pressure fluid source and motor > Pulsator > With control of or by a separate power fluid, etc. > Flow in recirculating circuit controlled
Description: Apparatus in which fluid in the power circuit is constantly moved during standby through a closed recirculating system and the master is driven by the diversion or restriction of the circulating fluid.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8380412 Control devices for a booster brake system of a vehicle and method for operating a booster brake system of a vehicle Feb. 19, 2013
8342615 Braking system for motor vehicles Jan. 1, 2013
8010269 Brake apparatus Aug. 30, 2011
7052094 Vehicle brake system May. 30, 2006
6729132 Remotely and directly pedal operated hydraulic compact booster for bi-directional braking May. 4, 2004
6606859 Master cylinder Aug. 19, 2003
6415605 Brake system Jul. 9, 2002
6367254 Master cylinder Apr. 9, 2002
6161380 Hydraulic pressure boosting apparatus Dec. 19, 2000
5735124 Internally boosted master cylinder Apr. 7, 1998
5079990 Hydraulic pressure booster Jan. 14, 1992
5076056 Enhanced pneumatic brake system Dec. 31, 1991
4899640 Hydraulic booster Feb. 13, 1990
4887869 Hydraulic braking system Dec. 19, 1989
4850655 Hydraulic booster Jul. 25, 1989
4793660 Hydraulic brake system for automotive vehicles Dec. 27, 1988
4753074 Braking pressure generator for an automotive vehicle's hydraulic brake system Jun. 28, 1988
4741160 Hydraulic multiple-circuit brake system May. 3, 1988
4724674 Hydraulic brake booster Feb. 16, 1988
4685297 Hydraulic brake booster with quick take-up and full stroke Aug. 11, 1987
4660381 Hydraulic booster with electrically driven plunger pump Apr. 28, 1987
4603918 Hydraulic dual-circuit tandem master brake cylinder Aug. 5, 1986
4559780 Power valve for a vehicle braking system Dec. 24, 1985
4489555 Hydraulic dual-circuit brake booster Dec. 25, 1984
4483144 Control arrangement for a hydraulic brake system with an antiskid control device Nov. 20, 1984
4463561 Braking-force booster Aug. 7, 1984
4458490 Dual power brake booster and method of generating brake actuating pressure Jul. 10, 1984
4444440 Hydraulic boosters for vehicle braking systems Apr. 24, 1984
4443040 Hydraulic boosters for vehicle braking systems Apr. 17, 1984
4441319 Brake booster Apr. 10, 1984
4407643 Power fluid system embodying two-fluid pump Oct. 4, 1983
4387569 Hydraulic brake booster Jun. 14, 1983
4378676 Booster for a hydraulic clutch system Apr. 5, 1983
4362019 Motor vehicle hydraulic system Dec. 7, 1982
4353209 Hydraulic brake booster Oct. 12, 1982
4254623 Hydraulic control system for brake device Mar. 10, 1981
4253496 Heavy duty power valve Mar. 3, 1981
4223533 Device for the power-assisted control of a hydraulic transmitter Sep. 23, 1980
4208950 Hydraulic power brake booster Jun. 24, 1980
4203349 Brake booster May. 20, 1980
4203631 Hydraulic servo-assisted braking system for motor vehicles May. 20, 1980
4199947 Dual power brake booster system Apr. 29, 1980
4195484 Dual power brake booster Apr. 1, 1980
4182427 Control mechanism for an integrated brake and steering system Jan. 8, 1980
4181064 Hydraulic brake booster Jan. 1, 1980
4179980 Hydraulic brake booster Dec. 25, 1979
4178757 Flow control means Dec. 18, 1979
4161867 Hydraulic brake booster Jul. 24, 1979
4154326 Combined power valve and flow divider May. 15, 1979
4141284 Two stage power valve Feb. 27, 1979

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