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Class 303/114.1 - Including hydraulic power booster


Subclass of Class 303 - Fluid-pressure and analogous brake systems
Definition: Structure wherein the fluid pressure regulator cooperates
No. of patents: 331
Last issue date: 05/29/2012


1                  
NumberTitleIssue Date
8186772Vehicle brake apparatus
A pressure regulating valve unit is configured to regulate the output hydraulic pressure of a hydraulic pressure generating source through electrical control for application to a boosted hydraulic pressure chamber, and a release valve is interposed between the boost...
05/29/2012
8157333Braking device
A braking device includes: an input member configured to interlock with a displacement of a brake pedal; an output member which is movable relatively to and independently of the input member and is configured to generate a fluid pressure in a master cylinder; a brak...
04/17/2012
8157332Control device for a brake apparatus
The control device adapted to a vehicle brake apparatus includes a vacuum obtaining portion, a master cylinder pressure obtaining portion and a boosting control portion for executing a boosting control which controls supplying of a boosting pressure established by d...
04/17/2012
8113595Electric booster with hydraulic transmission
An electric brake has a master cylinder (12) including pistons (22, 24) for rear and front brake circuits and an electric motor (50) for actuating the rear brake piston (22). A feedback circuit provides a signal indicative of the fluid pr...
02/14/2012
7980638Brake controller
In a brake controller, a slope climbing vehicle stop detecting means determines when the vehicle is stopped while climbing a slope, and a pedal release detecting means determines that the pedal is released. An assist control unit interpolates a decrement in brake fl...
07/19/2011
7922263Braking apparatus for vehicle
In a braking apparatus for a vehicle, an input piston and a pressurizing piston are movably supported inside a cylinder, thereby sectioning a first pressure chamber, a second pressure chamber, and a third pressure chamber, the second pressure chamber and the third p...
04/12/2011
7823984Master brake cylinder arrangement for a hydraulic motor vehicle brake system and motor vehicle brake system
The invention relates to a master brake cylinder arrangement for a hydraulic motor vehicle brake system having a housing, in which two adjacent cylinder bores are provided, two piston arrangements, in which a first piston arrangement is received in a first cylinder ...
11/02/2010
7673948Hydraulic brake apparatus
A hydraulic brake apparatus for use in a vehicle having wheels and a brake operating member manually operable by a driver, the apparatus including a manual pressure source including (a) a hydraulic booster which boosts an operating source applied by the driver to th...
03/09/2010
7661769Brake apparatus for a vehicle
A brake apparatus capable of applying a regulator pressure regulated by a regulator valve device to an assisting chamber, to obtain a smooth brake feeling, even when a brake pedal is operated by a vehicle driver, during an automatic braking operation. A first contro...
02/16/2010
7651176Brake system
A brake system includes a tandem-type master cylinder, a tandem-type slave cylinder with front and rear fluid pressure chambers and front and rear pistons arranged such that fluid pressure is generated in the fluid pressure chambers when the rear piston is advanced ...
01/26/2010
7517027Hydraulic brake device
A normally closed secondary solenoid opening/closing valve 36 is provided along a secondary branched fluid pipe 35 establishing a communication between an accumulator 11 and a reservoir 8 through a fluid pressure input side to a fluid pre...
04/14/2009
7425042Electric operating apparatus for vehicle
An electric operating apparatus for a vehicle including an operational member operated in accordance with a traveling request or a braking request of a driver; and a reaction force adjuster that can electrically adjust a reaction force of the operational member; and...
09/16/2008
7413264Vehicle braking system
A vehicle braking system having a hydraulic booster which applies output hydraulic pressure of a hydraulic power source to a boosted hydraulic pressure chamber after regulating the output hydraulic pressure as a control piston balances a reaction force generated by ...
08/19/2008
7357465Brake pedal feel simulator
A brake pedal feel simulator is provided which reduces the simulation force provided to the brake pedal during emergency or failed conditions. The simulator generally comprises a first spring having a first spring rate and a second spring having a second spring rate...
04/15/2008
7357466Braking force generator for a hydraulic vehicle brake system
In a brake force generator for a vehicle hydraulic brake system having a force input element, which is connectable or connected to a brake pedal and displaceable in a base housing of the brake force generator, a master cylinder, in which a primary piston is displace...
04/15/2008
7354119Brake system
A brake system for a vehicle has a brake pedal and at least one rotational part. The brake system further includes a shaft connectable to the rotational part, and a first fluid control unit configured for being filled with fluid and actuating in response to manipula...
04/08/2008
7350882Vehicle brake device
A vehicle brake device A is provided with a master cylinder 10, a reservoir tank 12, solenoid valves 46 and 48 for adjustably draining brake oil from outlet ports 10a, 10b of the master cylinder 10 to th...
04/01/2008
7347510Braking force generator for a hydraulic vehicle braking system
In a brake force generator (10) for a vehicle hydraulic brake system having a force input element (14), which is connectable or connected to a brake pedal (P) and displaceable in a base housing of the brake force generator (10), a master cylinde...
03/25/2008
7344203Master cylinder
A master cylinder includes a cylinder body, primary cups supported on the inner periphery of the cylinder body, and a primary piston and a secondary piston inserted in the cylinder body so as to be in sliding contact with the respective primary cups. The cylinder bo...
03/18/2008
7332881AC drive system for electrically operated vehicle
A drive system for an electric vehicle includes a motor for providing a drive torque and an electrically actuated brake for providing a braking torque to the motor. The system includes a controller that receives a plurality of inputs which may include a battery volt...
02/19/2008
7331641Braking stroke simulator
The present invention is directed to a braking stroke simulator for use in a brake system, which comprises a simulator piston moved in response to operation of a manually operated braking member, and an elastic element for providing a stroke to the simulator piston ...
02/19/2008
7322657Stroke simulator
A second piston includes a first protruding portion that protrudes toward a first piston and a second protruding portion that protrudes toward a stopper. By changing a height of the first protruding portion and a height of the second protruding portion it is possibl...
01/29/2008
7308910Device for damping pressure surges
A device for damping pressure surges in a fluid with a housing (10) and a piston (14) that can be longitudinally displaced inside the housing (10) against the pretensioning force of a spring energy store (12). The piston (14) inter...
12/18/2007
7309112Braking system having valve device for delivering pressurized fluid to brake cylinder selectively from at least two pressurizing chambers or only one of them
Braking system including a master cylinder having at least two pressurizing pistons partially defining at least two mutually isolated pressurizing chambers, and wherein a working fluid in each pressurizing chamber is pressurized by an advancing movement of the corre...
12/18/2007
7302796Hydraulic brake booster
An hydraulic brake booster for an automobile hydraulic system comprising of a boost cylinder, a boost piston and a boost chamber defined by a boost piston working in a bore in a body and being adapted to apply an output force to an output rod in response to a pressu...
12/04/2007
7296861Brake system for a motor vehicle
The invention relates to a brake system for a motor vehicle comprising a master brake cylinder in which a primary piston for generating a brake pressure in a hydraulic brake circuit can be displaced according to actuation of a brake pedal, it being possible to displ...
11/20/2007
7293843Braking system for vehicle
A braking system for a vehicle, including a braking device which puts brake on a vehicle; an operating device which includes an operating member that is operated by a driver of the vehicle in a braking force increasing direction, that is, an operating direction in w...
11/13/2007
7290841Hydraulic braking system including power-operated pressure source device, and device for controlling pressure output of the pressure source device
Braking system including a power-operated hydraulic pressure source operable to deliver a pressurized working fluid, a brake including a hydraulically operated brake cylinder, and a flow-rate changing device disposed between the power-operated hydraulic pressure sou...
11/06/2007
7264318Brake pressure control arrangement
In a method for joining at least two work pieces by friction stir welding wherein the work pieces are placed placed in overlapping relationship and are at least partially plasticized in the area where they are to be joined by a rotating friction tool provided with a...
09/04/2007
7260733Distributed control system
In a distributed control system, a first electronic control unit sends trigger information to a second electronic control unit. The trigger information includes a timing that triggers the second electronic unit to obtain second sensor information from a second senso...
08/21/2007
7252345Brake system for a motorcycle
A combined braking system in which communicative connection a master cylinder and a brake caliper is cut off by an electromagnetic on-off valve, and hydraulic pressure, corresponding to driving conditions and a braking operation, is generated by an electrically-oper...
08/07/2007
7244002Vehicle brake system
A brake-by-wire type vehicle brake system is arranged to return a piston of a master cylinder to a normal position by opening a shutoff valve so as to supply a hydraulic pressure of a pump to the master cylinder when the shutoff valve is closed and a stroke simulato...
07/17/2007
7243534Tire state quantity detecting apparatus and method
In a tire state quantity detecting apparatus, a detector that deforms by force exerted from a tire and that outputs a signal corresponding to the quantity of deformation is embedded within the tire. The detector is enclosed in a capsule within the tire, so that the ...
07/17/2007
7219966Brake pedal feel simulator
A brake pedal feel simulator is provided which eliminates the simulation force during emergency, non-assisted and failure conditions. The brake pedal feel simulator generally comprises a spring, a spring seat and a spring stop. The spring is operatively connected to...
05/22/2007
7210771Ink delivery system with print cartridge, container and reservoir apparatus and method
An ink delivery system delivers ink from a stationary ink supply to a print cartridge on a movable carriage. The system comprises an ink container, a reservoir, and a flexible tubing connecting the reservoir to the print cartridge. The ink container has an internal ...
05/01/2007
7188912Braking systems
A braking system includes a brake actuator which is moveable in a first direction to cause a brake applying member to apply a braking force to a member to be braked. A master valve includes a piston assembly which upon operation of a brake operating member, directs ...
03/13/2007
7174247Method for improving the regulatory behavior of motor vehicle regulatory systems
The invention relates to a method for improving the control behavior of motor vehicle control systems such as ABS, ESP, etc. comprising electrically driven hydraulic pumps, inlet and outlet valves and low-pressure accumulators, wherein the low-pressure accumulators ...
02/06/2007
7167784Method and system for controlling and/or regulating operating sequences in a motor vehicle in a brake system
Methods and a system of controlling and/or regulating operating sequences in a brake system of a vehicle having an electronic circuit and/or control which controls and/or regulates the operating sequences and having consumers in the control and the brake system and ...
01/23/2007
7150508Modular regenerative braking
A brake module provides a first circuit, a second circuit, and a third circuit of pressurized brake fluid. A first set and second set of brake actuators are operated by the application of pressurized brake fluid. A first and second fluid separator unit are integrate...
12/19/2006
7146812Hydraulic brake apparatus
A hydraulic brake apparatus includes a tandem brake master cylinder having a rod piston moving in response to a brake pedal, and a floating piston moving in response to the rod piston; a separation valve provided in a hydraulic brake circuit connecting the brake mas...
12/12/2006
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