About 15 results
https://drivepatents.com/patents/1007940 · 9 Nov 2011
The system (10) has a pneumatic servomotor (14) for assistance of braking of a master cylinder (16) hydraulically connected to a rebound clip (20). A regulator body (42) comprises a pneumatic chamber (44) with a conduit (80) connected to a pressure source ...
https://drivepatents.com/patents/1078900 · 30 Mar 2005
The amplifier has a valve selectively cooperating with two coaxial annular seats to vary differential pressure between two chambers of an enclosure based on axial position of a plunger with respect to a piston. The valve has a bushing (29) in close contact...
https://drivepatents.com/patents/1079108 · 23 Mar 2005
The brake intensifier (10) for a motor vehicle comprises a force control valve (22) with housing (18), inlet (24) and output (34) pieces and a pressure piece (44) with relative movement along the valve main axis (X) by a spring and tension coupling piece (...
https://drivepatents.com/patents/1081012 · 5 Jan 2005
In a vacuum booster (B) in which a reaction force mechanism (24) is interposed between an input rod (20) and a valve cylinder (10) connected integrally with a booster piston (4), and an output rod (25), a valve piston (33) is fitted onto an input piston (1...
https://drivepatents.com/patents/1082185 · 24 Nov 2004
The amplifier has a vacuum chamber, working chamber, and a throttle valve. An intermediate chamber communicates with the vacuum chamber and forms a seat (52) for the throttle vale, such that the throttle valve makes and prohibits communication between the ...
https://drivepatents.com/patents/1085635 · 14 Jul 2004
The pneumatic servo motor for a motor vehicle brake has a control shaft (38) which controls the opening and closing of an axial inlet valve (52) between a pressure source and a rear chamber (18) of the servo motor. The shaft also controls a rebalance valve...
https://drivepatents.com/patents/1088692 · 24 Mar 2004
The brake amplifier (10) has an input element (12) for control of a valve device (14) by an input force (F) for selective connection of a working chamber (18) to the atmosphere or a reduced pressure chamber (20), separated from the working chamber by a pis...
https://drivepatents.com/patents/1091064 · 17 Dec 2003
In a negative pressure boosting device of the present invention, upon depression of a pedal at a normal speed, an input shaft 11 and a valve plunger 10 move forward to close a vacuum valve 15 and open an atmospheric valve 16 and a power piston 5, a valve b...
https://drivepatents.com/patents/1091902 · 12 Nov 2003
The servomotor has a control rod (38) whose movements determine the opening and closure of a axial inlet valve (52) located between a pressure source and its rear chamber (18), and an axial re-balancing valve (50) between a forward chamber (16) and the rea...
https://drivepatents.com/patents/1093048 · 24 Sep 2003
The pneumatic servo motor for a motor vehicle brake has a control shaft (38) which controls the opening and closing of an axial inlet valve (52) between a pressure source and a rear chamber (18) of the servo motor. The shaft also controls a rebalance valve...