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Class Information
Number: 60/589
Name: Power plants > Pressure fluid source and motor > Pulsator > Holder for reserve liquid feeds master > Master piston or its actuator mechanically operates valve between holder and master cylinder
Description: Apparatus with a cut-off valve controlling flow between the reserve supply holder and the cylinder of the master that is mechanically opened or closed by the movement of the working member of the master or by a connection to the means driving the working member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7555902 |
Tandem master cylinder with central valves |
Jul. 7, 2009 |
| 7530646 |
Master cylinder assembly |
May. 12, 2009 |
| 7497523 |
Pressure locking master cylinder |
Mar. 3, 2009 |
| 7287457 |
Structure for retaining a piston assembly in position relative to a cylinder |
Oct. 30, 2007 |
| 7194860 |
Hydraulic cylinder, in particular master cylinder for a hydraulic clutch actuation system for motor vehicles |
Mar. 27, 2007 |
| 7121094 |
Center valve for master cylinder |
Oct. 17, 2006 |
| 7104059 |
Master cylinder |
Sep. 12, 2006 |
| 7086229 |
Piston for a hydraulic brake system and master cylinder equipped therewith |
Aug. 8, 2006 |
| 7044566 |
Caging arrangement for a spring |
May. 16, 2006 |
| 7024854 |
Master cylinder with increased safety and piston for such a master cylinder |
Apr. 11, 2006 |
| 6951104 |
Hydraulic piston-and-cylinder arrangement |
Oct. 4, 2005 |
| 6935113 |
Master cylinder piston and device for mounting a check valve therein |
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 |
| 6837048 |
Tandem master cylinder |
Jan. 4, 2005 |
| 6832479 |
Resin piston for master cylinder in brake system, master cylinder, die for molding resin piston for master cylinder, and manufacturing method of resin piston for master cylinder |
Dec. 21, 2004 |
| 6817179 |
Poppet for center port compensation valve |
Nov. 16, 2004 |
| 6775979 |
Actuation device for an electrohydraulic braking system |
Aug. 17, 2004 |
| 6775978 |
Caging arrangement for a center port compensation valve |
Aug. 17, 2004 |
| 6775980 |
Hydraulic master cylinder with concealed dead travel |
Aug. 17, 2004 |
| 6769254 |
Hydraulic operating systems for clutches and the like |
Aug. 3, 2004 |
| 6494040 |
Method for making a master cylinder and master cylinder obtained by said method |
Dec. 17, 2002 |
| 6434931 |
Hydraulic brake master cylinder with controlled center port valve gap and method of assembly |
Aug. 20, 2002 |
| 6425245 |
Master cylinder with valves having reduced clutch pedal free play |
Jul. 30, 2002 |
| 6386648 |
Master cylinder and brake booster for a brake system |
May. 14, 2002 |
| 6343472 |
Master cylinder with variable refill passage |
Feb. 5, 2002 |
| 6203022 |
Annular sealing element |
Mar. 20, 2001 |
| 6065279 |
Master cylinder |
May. 23, 2000 |
| 6065292 |
Master cylinder |
May. 23, 2000 |
| 5943863 |
Center port compensation valving for a master cylinder |
Aug. 31, 1999 |
| 5934075 |
Booster with prefilling without limitation in flowrate |
Aug. 10, 1999 |
| 5918464 |
Pressurized in-line master cylinder |
Jul. 6, 1999 |
| 5890364 |
Master cylinder having a single service piston with compensation and damping sections |
Apr. 6, 1999 |
| 5887432 |
Brake master cylinder with axially movable sleeve |
Mar. 30, 1999 |
| 5878575 |
Master cylinder |
Mar. 9, 1999 |
| 5647213 |
Master cylinder with quickfill stage |
Jul. 15, 1997 |
| 5603217 |
Compliant master cylinder |
Feb. 18, 1997 |
| 5561980 |
Tandem master cylinder |
Oct. 8, 1996 |
| 5544485 |
Master cylinder having restriction means with piston |
Aug. 13, 1996 |
| 5542253 |
Vehicular braking system having a low-restriction master cylinder check valve |
Aug. 6, 1996 |
| 5535590 |
Master cylinder with applied brake compensation capability |
Jul. 16, 1996 |
| 5513492 |
Hydraulic master cylinder |
May. 7, 1996 |
| 5477681 |
Dual center-port master cylinder |
Dec. 26, 1995 |
| 5473896 |
Piston with central valve for hydraulic brake systems |
Dec. 12, 1995 |
| 5449225 |
Master cylinder with two internal valves |
Sep. 12, 1995 |
| 5417067 |
Master cylinder piston |
May. 23, 1995 |
| 5400595 |
Brake valve with prefill chamber unloading |
Mar. 28, 1995 |
| 5359854 |
Actuating unit for hydraulic brake system |
Nov. 1, 1994 |
| 5332302 |
Master cylinder low/high pressure combination valve which operates independently of brake pedal position |
Jul. 26, 1994 |
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