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7562944 Hydraulic regenerative braking system for a vehicle  
A hydraulic regenerative braking system for a vehicle is provided. The system includes two hydraulic machines, each of which is disposed proximate a corresponding vehicle wheel. A transformer is in...
7530647 Vehicular brake device  
A pump body includes a cylindrical first case for housing the plurality of rotary pumps, a second case located coaxially with the first case, and a disk spring located between the first case and...
7484480 Apparatus and method for removing crankcase gases  
A method includes the steps of connecting the input of a compressor of a vehicle air braking system with a gas output of a crankcase of a vehicle engine, directing into the input of the compressor...
7448698 Brake fluid pressure control actuator  
Pressure regulating reservoirs are positioned in an upper portion of a housing, and pumps are positioned below the pressure regulating reservoirs. More specifically, the pressure regulating...
7390174 Piston pump  
A piston pump ( 10 ) for a hydraulic consumer of an electronically controlled vehicle brake system, carries a stepped piston ( 50, 50′ ) and centers a sealing assembly ( 26, 26′ ) which is...
7354119 Brake 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...
7344199 Primary/secondary brake system  
A brake system for braking a rotatable brake disk includes a primary brake piston engagable with the brake disk and a secondary brake piston engagable with the primary brake piston and operable to...
7341318 Circulating fluid regulated braking device for air and land vehicles  
A circulating fluid regulated braking device for a vehicle includes a piston pump mounted directly on the hub of each vehicle wheel. The pumps mounted on front wheels are connected by pipes to a...
7325886 Vehicular brake control system  
In a vehicular brake control system in which pressure upstream of a plurality of pressure increase control valves is variable, a brake control ECU sets a value of a current supplied to a solenoid...
7303241 Pump drive motor control apparatus  
A pump drive motor control apparatus controls a motor used for driving a hydraulic pump. Every time the supply of electricity to the motor is resumed (every time the motor control signal changes...
7264317 Hydraulic unit  
A hydraulic unit for a hydraulic regulation device, in particular for slip-controlled motor vehicle brake systems, includes several hydraulic, mechanical and/or electrically operable functional...
7232192 Deadband regenerative braking control for hydraulic hybrid vehicle powertrain  
A system for braking the wheels of a hydraulic hybrid vehicle includes a brake pedal having a range of pedal displacement including a deadband displacement range, an accumulator containing fluid at...
7219967 Brake system for a vehicle driven by at least one hydraulic motor fed in a closed circuit  
A method of operating a brake system for a hydraulic motor, by feeding the hydraulic motor with at least one pump having a variable cubic capacity, in a closed circuit, providing a friction brake...
7204565 Electrohydraulic assembly for an electronically controlled brake system  
The invention relates to an electrohydraulic assembly for an electronically controlled brake system with an accommodating member which includes accommodating bores for electrohydraulic valves,...
7188912 Braking 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...
7152931 Hydraulic circuit with accumulator  
A hydraulic circuit includes an accumulator having an inflow passage which introduces a hydraulic fluid which is discharged from a hydraulic pump into a hydraulic fluid chamber and a discharge...
7144091 Brake apparatus with orifices for restricting brake fluid pressure pulsation  
In a brake apparatus, a pump sucks brake fluid and discharges the brake fluid through a pump discharge conduit. Orifices are connected in series with one another with respect to brake fluid flow...
7137486 Selective actuation device  
Selective actuation device ( 1 ) comprising and actuator ( 5 ) acting upon an actuation lever ( 7 ) that has at least one thrusters element ( 7 b ) for the actuation of a first operating group (...
7104613 Pump with reciprocating high pressure seal and valve for vehicle braking systems  
A pump assembly with a combination reciprocating high-pressure seal and fluid inlet check valve for use within brake systems. The pump assembly comprises a housing having a bore formed therethrough...
6966614 Architecture for a hydraulic circuit  
The invention relates to an architecture for a hydraulic circuit associated with actuators ( 100 ), such as actuators for airplane brakes, the architecture comprising a main hydraulic circuit (C)...
6942071 Self-energizing brake system  
A brake system according to the present invention comprises an eccentric rotor and a brake effecter module. The brake effecter module has a pair of hydraulically interconnected actuators, a brake...
6938965 Vehicle hydraulic braking system with an active simulator  
A hydraulic braking apparatus for a motor vehicle having a service braking system (A) fed by a central hydraulic unit ( 3 ) and an emergency braking system (B). A simulator (M) resists a forward...
6802572 Brake control system  
A brake control system for towed vehicles is disclosed which provides for controlled application of hydraulic brakes in a towed vehicle in response to the application of the brakes of the towing...
6769745 Vehicle brake system comprising a motor/pump unit and an aggregate  
The motor/pump unit ( 10 ) comprises an electric motor ( 12 ) and at least one pump ( 14 ) for delivering brake fluid. The electric motor ( 12 ) has a stator ( 16 ), in which a rotor ( 18 ) is...
6749272 Rotary pump with higher discharge pressure and brake apparatus having same  
In a rotary pump in which axial end surfaces of outer and inner rotors is in pressurized direct contact with an axial end surface of a second side plate to form a mechanical sealing, both of the...
6702402 Vehicular braking force control apparatus  
A vehicular braking force control apparatus includes a solenoid valve disposed between a master cylinder and the suction side of a hydraulic pump. A ripple absorption low-pressure reservoir is...
6672684 Vehicle brake system with a motor/pump unit  
The motor/pump unit ( 10 ) comprises an electromotor ( 12 ) and at least one pump ( 14 ) for delivering brake fluid. The electromotor ( 12 ) has a motor stator ( 16 ) in which a motor rotor ( 18 )...
6648423 Hydraulic brake system for regulated and comfortable braking  
The present invention relates to an improved hydraulic brake system for controlled and comfortable braking operations which includes a hydraulic pump for build-up of a hydraulic pressure that...
6517170 Breaking system and method for controlling and/or monitoring a pump of a breaking system  
A brake system in which a hydraulic fluid can be conveyed from an accumulator via a valve into individual wheel brake cylinders, the hydraulic fluid being conveyed by a pump into the accumulator,...
6513631 Hydraulic brake system  
An hydraulic brake system that rapidly and precisely slows or reduces speed by constraining or stopping the movement of a link mechanism connected between a piston and a rotational driving shaft of...
6499812 Method and device for adjusting brake pressure and for opening an inlet valve  
A method of brake pressure adjustment in a vehicle brake system equipped with an electric hydraulic pump comprises the following steps: detecting a prevailing brake pressure or determining a...
6491353 Precharging device in a hydraulic brake system of a vehicle  
The precharging device is part of a hydraulic brake system of a vehicle and serves to impose brake fluid under pressure selectively on a brake assembly, by means of a charging unit. To activate the...
6450589 Brake pressure transducer for a hydraulic vehicle brake system  
A brake pressure transducer is to be provided for a hydraulic vehicle brake system that can be actuated by initiating an actuating force (FB) via an actuating element ( 2 ) in order to generate a...
6431661 Force feedback and pressure equalization brake system  
A work vehicle is provided with a brake system actuated by depressing either the left pedal or the right pedal. The brake system comprises two parallel brake circuits. The first brake circuit has a...
6354672 Braking system wherein brake cylinder is communicated with pedal-operated pressure source upon failure of pump-operated pressure source  
A braking system including a brake cylinder, a first hydraulic pressure source having a first pump device for pressurizing a working fluid, a second hydraulic pressure source operable in response...
6345225 Electromechanical brake system  
This invention relates to an electromechanical brake system, in particular for automotive vehicles, which includes a pedal module and at least two brake modules. Further, a central module may be...
6328391 Drum brake device  
A drum brake device produces a stable braking force at a predetermined boosting ratio in response to a brake operation force input thereto, even if the friction characteristics of the interface of...
6328388 Brake actuation unit  
The present invention relates to a brake actuation unit comprising a cylinder/piston arrangement which acts on at least one brake lining which can be brought into frictional engagement with a brake...
6315369 Hydraulic braking system wherein pump motor control PWM frequency is lowered below upper audibility limit under predetermined braking conditions  
A hydraulically operated braking system including a hydraulic pump operated by an electric motor, and a motor control device connected to the electric motor and controlling an electric current to...
6299260 Method and device for controlling a pump in a brake system  
A method of controlling a pump in a brake system of a motor vehicle, in particular an electrohydraulic brake system, is described, where the pump can be controlled by a pump motor either uncycled...
6290307 Brake System  
A braking system (10) with a master cylinder (12) which comprises at least one cylinder/piston arrangement (14, 16) which can be actuated by a brake pedal (18) for supplying hydraulic fluid to at...
6280006 Brake hydraulic control device for use in vehicle  
A brake hydraulic control device for use in a vehicle, includes: a master cylinder with a first reservoir attached thereto; a second reservoir different from the first reservoir; a drive wheel...
6280002 Hydraulic braking system  
A hydraulic brake system wherein a portion of a volume of a first fluid supplied to a steering system by a pump is selectively diverted to an actuator assembly for a master cylinder to develop an...
6264287 Hydraulic brake apparatus for a vehicle  
A hydraulic brake apparatus for a vehicle includes a first hydraulic passage for supplying pressurized brake fluid from a master cylinder to wheel brakes without passing through a hydraulic pump, a...
6226586 Foundation brake control algorithm for electro-hydraulic brake system and brake-by-wire system  
A brake control system determines utilizes a sensed amount of brake travel and a sensed amount of master cylinder pressure in determining a base brake control signal for an electro-hydraulic brake...
6224168 Fluid pressure generating system for a vehicle and brake fluid pressure control system for a vehicle  
A fluid pressure generating system for a vehicle has a reservoir that stores brake fluid, a fluid pump that pressurizes the brake fluid, an accumulator that accumulates brake fluid pressurized by...
6199962 Hydraulic control unit for a vehicular brake system having a self-priming pump  
A hydraulic control unit of a vehicular brake system includes a housing having a cavity. Drive means is received in the cavity of the housing. A fluid supply source is in fluid communication with...
6199958 Hydraulic unit  
6196641 Fluid pressure boosting device and brake pressure boosting system employing the device  
A fluid pressure boosting device of the present invention performs jumping action at a higher servo ratio until fluid pressure in a power chamber (25) reaches a first predetermined value and a rear...
6195995 Hydraulic brake system with device for active braking  
Hydraulic Brake System with a Device for Active Braking In order to enable a hydraulic brake system which has a self-priming return pump (14) to quickly fill the wheel brakes (5) in an active...
Matches 1 - 50 out of 411 1 2 3 4 5 6 7 8 9 >