About 26 results
https://drivepatents.com/patents/1069361 · 15 Mar 2006
The invention relates to a brake servo unit (101), a method of operating said unit and a vehicle mounted with said unit, wherein said unit having a boost function including a master cylinder (102), a pressure sensor (103) for detecting the pressure of the ...
https://drivepatents.com/patents/1069236 · 15 Mar 2006
The system has a detection device (7) placed on or in a rear wall (51) of a braking assistance servomotor (5) and comprising a LED (70) emitting a light beam towards an inner skirt (3) of the servomotor. The device has a photodetector (71) to detect light ...
https://drivepatents.com/patents/1070064 · 15 Feb 2006
In a negative pressure booster (1) of the present invention, at the time of performing a usual braking operation in a low deceleration region, a force attributed to the pressure difference between pressures applied to a variable pressure chamber and a cons...
https://drivepatents.com/patents/1073057 · 26 Oct 2005
The device has an extensible grab (101), whose front end (102) is integrated to a rear end (14) of a bellows. A bellows support (107) has a housing (108) in which the bellows is mounted and a housing (109) in which the grab is mounted. An introduction cone...
https://drivepatents.com/patents/1077287 · 8 Jun 2005
An internal combustion engine is provided with a variable valve train (30, 31) capable of altering opening and closing timings and/or opening amounts of at least one of an intake valve (28) and an exhaust valve (29) of an internal combustion engine. The in...
https://drivepatents.com/patents/1077147 · 8 Jun 2005
The brake has a brake actuator push rod (46) with a cylindrical front section (64) on which a helical spring (66) is received to support between a front shoulder side (68) and an arm (70) of an unloader piston (62). The front section has smaller diameter (...
https://drivepatents.com/patents/1078588 · 13 Apr 2005
The servomotor has a push rod (32) with a thermal dilatation unit (48) mounted between a stopper (50) integrated to the rod, and a front radial side (42) on a reaction disk (30). An axial gap is provided which determines a point of changing of power assist...
https://drivepatents.com/patents/1081945 · 1 Dec 2004
The method involves determining vacuum pressure value in a vacuum chamber (16), and comparing the value to a lower threshold value. Cut of power supply to power consumers (36) is controlled when the vacuum pressure in the vacuum chamber is lower than the l...
https://drivepatents.com/patents/1084722 · 25 Aug 2004
An apparatus and method control a negative pressure in an internal combustion engine (10) equipped with a brake booster (18) that uses a negative pressure produced on a downstream side of a throttle valve (36) provided in an intake passage (34) of the engi...
https://drivepatents.com/patents/1093230 · 17 Sep 2003
Disclosed is a brake booster for a vehicle for making an inside of an uniform pressure chamber be a sufficient vacuum and stabilizing the braking characteristics of a vehicle. The brake booster includes a vacuum tube extended into the uniform pressure cham...