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| Number | Title | Issue Date |
| 7267413 | Control valve A configurable control valve for use with air brake systems is provided. This control valve includes: a first or top body portion, a second or bottom body portion, and a connector for attaching the first body portion to the second body portion. The first body portio... | 09/11/2007 |
| 7150292 | Electropneumatic double control valve comprising a sealing arrangement Electropneumatic double regulating valve for an air-operated vehicle brake system, which is disposed centrally on a wheel axle, equipped with two brakes, with a common relay valve housing (1), in which is integrated for each brake an assigned regulating valve... | 12/19/2006 |
| 7048000 | Pressure reducing valve A pressure reducing valve includes a housing having a passage therein, a valve body disposed within the passage, and a piston slideably disposed within the passage. The valve body includes a wall arranged transverse to the passage and dividing the passage into an in... | 05/23/2006 |
| 7008023 | Hydraulic brake apparatus A hydraulic brake apparatus includes a brake master cylinder having a rod piston moving in response to a brake pedal; a separation valve provided in a hydraulic brake circuit in order to establish and shut off communication between the brake master cylinder and the ... | 03/07/2006 |
| 6971725 | Dampened vehicle emergency brake valve A valve for controlling an emergency brake system on an aircraft. The valve has separate poppets for controlling the flow of fluid from a supply line to the brake cylinders and from the brake cylinders to a tank return line. The poppets act on each other. A dampenin... | 12/06/2005 |
| 6953228 | Actuating device for a brake unit of an electronically controlled vehicle brake system An actuating device for a brake unit of a vehicle EBS includes a tappet positioned in a housing of the brake unit for actuating a piston to operate a brake valve. A displacement sensor slide measures axial movement of the tappet. So that moving parts of the actuatin... | 10/11/2005 |
| 6203119 | Control apparatus for a brake system A control apparatus (12) for a brake system (10) having a housing (40) with a first (42) and second (46) cylindrical members located in first (44) and second (46) bores. The first (42) and second (46) cylindrical members and corresponding first (50) and s... | 03/20/2001 |
| 6053205 | Valve arrangement An arrangement for use with a valve system permits facilitated adaptation to conditions where modified lever ratios are desired while an actuation force requirement remains unaffected, or where a modified actuating force requirement is desired while lever... | 04/25/2000 |
| 5624163 | Pressure medium actuated vehicle braking system A pressure medium actuated braking system comprises a first (rear axle) braking circuit, a second (front axle) braking circuit, and a multi-circuit braking power imparting device, such as a motorcar brake valve. The motorcar brake valve produces first and... | 04/29/1997 |
| 5234086 | Fluid pressure type booster device A fluid pressure type booster device is capable of feeding an output pressure of a fluid pressure source in a controlled manner by permitting a slide member to slide so as to balance the force acting in an advancing direction by a fluid pressure of a pres... | 08/10/1993 |
| 5129712 | Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism The present invention provides a method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism with pressure medium activated brakes. To decrease the expense of such multi-circuit brake mechanism, the... | 07/14/1992 |
| 5098172 | Hydraulic brake pressure generation apparatus for a vehicle A hydraulic brake pressure generation apparatus which is provided with a pressure increasing valve apparatus, a fluid pressure increasing apparatus and a power valve. The pressure increasing valve apparatus receives a fluid pressure in a fluid pressure ch... | 03/24/1992 |
| 5080449 | Hydraulic brake pressure controlling apparatus for a vehicle A hydraulic brake pressure control apparatus in which a relief valve is disposed in a fluid passage communicating a fluid pressure chamber of a master cylinder with an ejection end of a fluid pump for discharging a brake fluid to a reservoir when the brak... | 01/14/1992 |
| 5013094 | Hydraulic braking system A hydraulic braking system capable of reducing the brake pedal stroke is provided by adding to the basic hydraulic braking system. The adding system is able to selectively execute the reduction of brake pedal stroke and, at the same time, capable of selec... | 05/07/1991 |
| 4995677 | Hydraulic braking pressure control system In a hydraulic braking pressure control system comprising an auxiliary hydraulic pressure generator connected to a brake device for generating a hydraulic pressure depending upon a braking operation by a brake pedal; a supply source; a supply source press... | 02/26/1991 |
| 4986613 | Hydraulic braking system for an automotive vehicle A hydraulic braking system for an automotive vehicle having a power source for generating a hydraulic power pressure, a reservoir, a master cylinder, a hydraulic booster for actuating the master cylinder in response to depression of a brake pedal and a pl... | 01/22/1991 |
| 4966420 | Automotive vehicle braking unit An anti-locking automotive vehicle braking unit wherein to achieve a reduction of the costs of manufacture and of mounting with an increase of reliability in operation, a pneumatic device (39, 40) is provided for venting of the first power chamber (5) and... | 10/30/1990 |
| 4964676 | Brake unit A fail safe control for a brake unit with an integral hydraulic brake booster for a road vehicle with a hydraulic dual-circuit braking system having a static front-axle brake circuit and a static rear-axle brake circuit connected respectively to primary a... | 10/23/1990 |
| 4953917 | Steering-brake system An off-road vehicle has ground supports on each side which can be simultaneously braked, or independently braked to aid in steering. A braking system includes a brake valve device which feeds high fluid pressure to a pair of reversing valves. The reversin... | 09/04/1990 |
| 4952003 | Apparatus for controlling brake fluid pressure of motor vehicle There is disclosed an apparatus for controlling brake fluid pressure of a vehicle. A supply valve of the normally closed type is opened only at the time of an anti-lock control so as to supply fluid pressure from an accumulator to a pressure fluid chamber... | 08/28/1990 |
| 4923253 | Braking system for aircraft towing vehicle A braking system for an aircraft towing vehicle which supports the nose wheel of an aircraft in a raised position and firmly clamps it to the vehicle. The braking force generated by the front wheels of the towing vehicle is greater by about 2:1 to 8:1 tha... | 05/08/1990 |
| 4900103 | Brake system with anti-skid control for motor vehicles A brake system having anti-skid control for motor vehicles has a brake booster having a brake valve and an emergency brake piston, and a master brake cylinder, combined in one housing with the brake booster having a master brake piston and two separate br... | 02/13/1990 |
| 4874207 | Hydraulic braking system for an automotive vehicle A hydraulic braking system for an automotive vehicle having a power source for generating a hydraulic power pressure, a reservoir, a master cylinder, a regulator and a plurality of wheel brake cylinders for braking respective road wheels, which are divide... | 10/17/1989 |
| 4858737 | Hydraulic braking device for automobile vehicle The device comprises a tandem master cylinder, a booster high pressure fluid distributor, 2, a valve mechanism 4 to interconnect the master cylinder and the distributor selectively to a braking circuit. The high pressure circuit is connected to the pipeli... | 08/22/1989 |
| 4828333 | Slip-controlled brake system A system is disclosed including valves which are opened or closed dependent upon the position of master cylinder pistons. Upon commencement of slip control, pumps supply fluid either into the slip control cycle or into the working chambers depending upon ... | 05/09/1989 |
| 4822110 | Pneumatic valve, particularly a duplex-type distributor for a braking system, including a device for limiting the maximum distributable pressure In its simplest form, the valve comprises a body with an inlet connector and an outlet connector intended to be connected to a pressure source and a pneumatic circuit respectively. In the body, a valve comprising a seat and an obturator controls communica... | 04/18/1989 |
| 4790608 | Skid-controlled brake system with master cylinder pistons and with plungers supported on stationary transverse member In a skid-controlled brake system including a diagonal division of the brake circuits (I and II), the wheel brakes (31 to 34), through main brake lines (62, 63) and branch lines (47 to 50), are in communication with the master cylinder (2) of the brake pr... | 12/13/1988 |
| 4784442 | Brake pedal valve with setpoint adjuster including displacement and force sensors for electrically controlled brake system A setpont adjuster for a brake pedal in a motor vehicle to control an electric brake system. The setpoint adjuster includes a displacement sensor and a force sensor in parallel-connection, in which the force sensor supplies the reference value. Electronic... | 11/15/1988 |
| 4783128 | Brake pressure control unit with hydraulic power booster including antilocking and propulsion regulation A brake pressure control unit operable by a hydraulic brake power booster and functionally corresponding to a tandem master cylinder for two statically pressurizable brake circuits has two casing bores spaced laterally apart. In one of the bores, the prim... | 11/08/1988 |
| 4778224 | Brake unit with brake booster, two master cylinders for antilock and/or propulsion or slip control situated in common housing including pivotable rocker A brake unit for a road vehicle with a hydraulic dual-circuit brake system having two master cylinders, the brake booster and elements for antilock and/or propulsion or slip control in a common housing. A brake booster drive cylinder which can be subjecte... | 10/18/1988 |
| 4770470 | Brake circuit system for use in vehicles with selectively actuated relay valves and with protection valves In order to apply the brake to a vehicle even if one of main air-conduits for introducing brake operating air is damaged, a brake circuit system for use in the vehicle has independent right hand and left hand main air-conduits, two front and two rear brak... | 09/13/1988 |
| 4741579 | Pneumatic distributor of the duplex type for motor vehicle braking systems The distributor includes a body with first and second inlet connectors for connection to two pressure sources, and first and second outlet connectors for connection to two separate brake circuits. Communication between the inlet connectors and the outlet ... | 05/03/1988 |
| 4736995 | Brake slip control apparatus fed with auxiliary energy for use in a vehicular hydraulic brake system A brake slip control apparatus fed with auxiliary energy for use in a vehicular hydraulic brake system, comprising a master-cylinder assembly (12) actuatable by the brake pedal, and with auxiliary energy being supplied into the working chamber (16) of the... | 04/12/1988 |
| 4730877 | Brake system with hydraulic brake force boosting and pedal travel simulator A brake system with hydraulic force boosting comprises a master cylinder (1) and an auxiliary pressure supply system including a hydraulic pump (10), the driving motor (M) of which is actuated when the brake is applied. The pressure in the working chamber... | 03/15/1988 |
| 4729607 | Dual circuit brake valve differential pressure control mechanism A dual circuit brake valve is provided with a delivery differential control mechanism which controls the differential between the delivery pressures of the primary and secondary braking circuits. The delivery differential control mechanism includes a spri... | 03/08/1988 |
| 4715661 | Hydraulic brake booster A hydraulic brake booster including, master brake cylinder pistons disposed in telescoping fashion in a short housing structure, and a locking piston for the brake pedal actuation is disposed parallel to the master brake cylinder in axial alignment with t... | 12/29/1987 |
| 4708404 | Hydraulic brake system with hydraulic brake force boosting A brake system with hydraulic brake force boosting comprises a master cylinder (1), to which the wheel brakes (36 to 39, 36' to 39') are connected, as well as of an auxiliary-pressure supply system (11, 12) and of an auxiliary-pressure control valve (10) ... | 11/24/1987 |
| 4703978 | Hydraulic brake system A hydraulic brake system comprises a pedal-actuated tandem generator cylinder (3), an auxiliary-pressure supply system with electromotively driven pump (8) and pressure fluid supply reservoir (31) and an auxiliary-pressure control valve (7, 67). The tande... | 11/03/1987 |
| 4702530 | Hydraulic brake system with fast-fill cylinder A hydraulic brake system (FIG. 2) composed of a master cylinder (30) coupled to the brake pedal (46), wherein there is provided a hydraulic booster (31) with a booster piston (91) and a booster chamber (35), and an auxiliary pressure proportional to the p... | 10/27/1987 |
| 4691968 | Dual circuit brake valve A dual circuit brake valve includes a plunger assembly carrying the primary valve seat, and the primary valve plunger within the primary piston. A pair of axially-spaced, circumferentially extending bearing members extend from the primary piston slidably ... | 09/08/1987 |
