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Class Information
Number: 60/561
Name: Power plants > Pressure fluid source and motor > Pulsator > Pressure balancing free piston or diaphragm between parallel pulsators
Description: Apparatus including two pulsators having means by which they are simultaneously pressurized and having a diaphragm or floating piston acted upon on one side by the fluid of a first pulsator and, upon the other side, by the fluid of a second pulsator, the piston or diaphragm acting to establish a relationship between the pressures of the two pulsators.










Patents under this class:

Patent Number Title Of Patent Date Issued
8550116 Twin power valve with integrated pressure balance Oct. 8, 2013
8231181 Brake system Jul. 31, 2012
7530227 Brake apply master cylinder May. 12, 2009
6752106 Pressure pulse generator Jun. 22, 2004
5890364 Master cylinder having a single service piston with compensation and damping sections Apr. 6, 1999
5878572 Proportioning device for a brake system Mar. 9, 1999
5836161 Hydraulic pressure booster Nov. 17, 1998
5211019 Actuating unit for a hydraulic automotive vehicle brake system May. 18, 1993
4915186 Hydraulic steering systems dampening devices Apr. 10, 1990
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
4604866 Master cylinder Aug. 12, 1986
4490978 Fluid pressure proportioners Jan. 1, 1985
4356694 Master cylinder having a fluid pressure control valve mechanism Nov. 2, 1982
4348866 Master cylinder Sep. 14, 1982
4301653 Tandem master cylinder Nov. 24, 1981
4294070 Master cylinder assemblies Oct. 13, 1981
4290265 Master cylinder device Sep. 22, 1981
4255932 Tandem master cylinder Mar. 17, 1981
4253306 Master cylinder Mar. 3, 1981
4249379 Fluid pressure generator and valve member therefor Feb. 10, 1981
4175392 Tandem master cylinder assembly Nov. 27, 1979
4174867 Brake force regulator for a motorcycle hydraulic brake system Nov. 20, 1979
4170386 Control for a two stage master cylinder Oct. 9, 1979
4161105 Tandem master cylinder Jul. 17, 1979
4078384 Three function master cylinder Mar. 14, 1978
4072011 Hydraulic brake booster Feb. 7, 1978











 
 
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