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Class Information
Number: 60/562
Name: Power plants > Pressure fluid source and motor > Pulsator > Master piston of one pulsator circuit drives master piston of a parallel circuit through a resilient, fluid or lost motion connection
Description: Apparatus in which two separately movable pistons pressurize fluid diversely for independent delivery to separate output slaves, one of the pistons being driven by the second piston mechanically through a resilient or lost motion connection or by the fluid pressure generated by the second piston.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8646268 Master cylinder for a vehicle Feb. 11, 2014
8468820 Brake actuating unit Jun. 25, 2013
8347622 Master cylinder Jan. 8, 2013
8342615 Braking system for motor vehicles Jan. 1, 2013
8261546 Dead stroke reduction valve Sep. 11, 2012
8231181 Brake system Jul. 31, 2012
8010269 Brake apparatus Aug. 30, 2011
7992387 Arrangement for simultaneous actuation of compensation valves Aug. 9, 2011
7987671 Master cylinder comprising a helical resupply groove Aug. 2, 2011
7946115 Hydraulic cylinder for a brake system May. 24, 2011
7814751 Motor vehicle braking system with spring adjusted brake pedal feel Oct. 19, 2010
7530646 Master cylinder assembly May. 12, 2009
7516617 Master cylinder Apr. 14, 2009
7500545 Reservoir apparatus for a bicycle brake lever device Mar. 10, 2009
7430864 Master cylinder and method of mounting stopper plate Oct. 7, 2008
7389642 Hydraulic disc brake lever assembly Jun. 24, 2008
7308791 Hydraulic disc brake lever assembly Dec. 18, 2007
7299897 Hydraulic platform lift incorporating positive displacement valve, and positive displacement valve for hydraulic platform lift Nov. 27, 2007
7281377 Hydraulic disc brake lever assembly Oct. 16, 2007
7222486 Diaphragm assembly May. 29, 2007
7204087 Hydraulic tool Apr. 17, 2007
7168536 Brake master cylinder comprising plunger pistons and radial grooves inserted into the housing in order to receive sealing joints Jan. 30, 2007
7159696 Hydraulic braking pressure generating apparatus for vehicles Jan. 9, 2007
7152405 Main cylinder with integrated transportation lock Dec. 26, 2006
7146812 Hydraulic brake apparatus Dec. 12, 2006
7104059 Master cylinder Sep. 12, 2006
7104058 Vehicle braking system Sep. 12, 2006
7100374 Piston unit having a captive spring Sep. 5, 2006
7086228 Master brake cylinder with opposing pistons Aug. 8, 2006
7044566 Caging arrangement for a spring May. 16, 2006
7043911 Vehicle braking system master cylinder May. 16, 2006
7032380 Master cylinder Apr. 25, 2006
7013643 Master cylinder Mar. 21, 2006
7008023 Hydraulic brake apparatus Mar. 7, 2006
7003952 Master cylinder and method of producing the same Feb. 28, 2006
6959547 Tandem master cylinder for electrohydraulic braking systems Nov. 1, 2005
6935113 Master cylinder piston and device for mounting a check valve therein Aug. 30, 2005
6935110 Tandem master cylinders for hydraulic systems Aug. 30, 2005
6871496 Adjustable dual center port compensation for master cylinder Mar. 29, 2005
6862884 Master cylinder Mar. 8, 2005
6848257 Master cylinder comprising a fluid and replenishing seal Feb. 1, 2005
6817179 Poppet for center port compensation valve Nov. 16, 2004
6817178 Master cylinder body and die for molding master cylinder body Nov. 16, 2004
6775978 Caging arrangement for a center port compensation valve Aug. 17, 2004
6766644 Master cylinder with by-pass function and proportioning valve Jul. 27, 2004
6718765 Brake booster device, with improved operating conditions, for motor vehicle Apr. 13, 2004
6694732 Brake master cylinder Feb. 24, 2004
6591736 Master cylinder Jul. 15, 2003
6578360 Master cylinder Jun. 17, 2003
6519940 Master cylinder for a hydraulic vehicle braking system with improved return spring restraining Feb. 18, 2003

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