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Patent Searching and Data


Matches 401 - 450 out of 4,071

Document Document Title
WO/2001/025067A1
The improved ABS performance in an air brake system for a vehicle is achieved by rapidly exhausting air from a control volume (36) of the relay valve piston (38'). The preferred embodiment incorporates a quick release valve (78) in the c...  
WO/2001/017833A1
A valve assembly (90) for selectively controlling application of a spring brake (70) in a truck brake system having primary (72) and secondary circuits (54) is provided. A spring brake valve is modified to incorporate a balance piston ha...  
WO/2001/014196A1
The invention relates to a proportional valve, especially for electrohydraulic brake systems. Said proportional valve has a cross-section of flow that is opened or closed in the sense of a variable orifice. A valve closing body (11) is l...  
WO/2001/014192A1
An improved, air tight valve seat (42) for a pneumatic brake system is achieved by using a plastic valve seat that is coined by the valve member (30). The valve member is a harder material, for example metal, than the thermo-plastic valv...  
WO/2001/014191A1
The invention relates to a pressure control valve, especially for electrohydraulic brake systems. The inventive valve comprises a valve body that is arranged in a valve housing (1) and a sensor element (2) for detecting the hydrostatic p...  
WO/2001/010696A1
A valve (60) for use in a brake system (10) through which a source (32) of fluid charges an accumulator (24) to a desired fluid pressure level and through which fluid pressure present in a conduit (52) is communicated to a reservoir (33)...  
WO/2001/010691A1
The invention relates to a control device (15, 16, 23) for a hydraulic brake system in which a speed signal for the valve movement is calculated from the current signal and/or voltage signal I¿actual?, U¿actual? of an electromagnetic e...  
WO/2001/008953A1
This invention relates to a pressure operated vehicle braking system (1), whereby at least one brake cylinder (34) is associated with a primary braking circuit and is emitted by a sensor (15) which detects a brake value. A primary brake ...  
WO/2001/000470A1
The invention relates to an automotive braking system which is actuated by a pressure fluid, comprising at least one first brake circuit and a second brake circuit, whereby a first brake cylinder (2) and a second brake cylinder (4) are a...  
WO/2001/000473A1
The invention relates to a solenoid valve having a valve lifter (4) guided in a valve housing (3, 25) and a valve closing member (9). Said valve also has a valve seat locating body (7) facing the valve closing member (9) forming together...  
WO/2000/074985A2
An electronic trailer control brake assembly can be conveniently mounted in the cab because of its reduced size. Only a single line extends from the assembly and provides an electrical signal proportional to the degree of movement of the...  
WO2000044598A3
A breaking system is able to meet emergency stopping distance requirements associated with a failed rear axle service control line (40) by modifying the service relay valve (26). The service relay valve incorporates a biased double check...  
WO/2000/066407A1
The invention relates to a method for pressure modulating brake pressures. An electrical hydraulic pump is arranged in a two-circuit brake pressure transmitter. The inventive method comprises the steps: introducing a brake pressure into ...  
WO/2000/064718A1
An apparatus is described herein for a device (20) for controlling the flow of fluid. A housing (21) having an inlet for receiving the fluid, an outlet for discharging the fluid, and a bore (22) connecting the inlet to the outlet is prov...  
WO/2000/063053A1
The invention relates to an electromagnetic valve support (15), in particular for brake-pressure regulation systems in motor vehicles, comprising at least one electromagnetic valve (1) in a frame-shaped wall section (4), for placing on a...  
WO/2000/053474A1
The invention relates to an electromagnetically actuated valve comprising a magnetically active element, such as a sleeve (8) which accommodates an armature (9) and a magnet core (15). Said sleeve (8) is provided with a circumferential w...  
WO/2000/044598A2
A breaking system is able to meet emergency stopping distance requirements associated with a failed rear axle service control line (40) by modifying the service relay valve (26). The service relay valve incorporates a biased double check...  
WO2000015480A3
The present invention is a safety-enhancing automatic air parking brake lock system (11) that eliminates accidental and inadvertent disengagement of the air parking brake (100). The lock system (50) may be easily installed in a brake sys...  
WO/2000/035728A1
Disclosed is a trailer air brake valve (30), wherein a regulating piston (46) can be impinged upon with a force in a direct or indirect manner using electromagnets (118). When the parking brake (82) is activated, the braking pressure pro...  
WO/2000/030912A1
The invention relates to a parking and manoeuvering valve for trailers having a spring-loaded parking brake. The aim of the invention is to economically produce a simple braking system which does away with the need for a trailer braking ...  
WO/2000/024620A1
The invention relates to an electromagnetic device (6), especially for an anti-slip, hydraulic vehicle brake system, comprising at least one first magnetic valve (4) which is closed in the currentless initial state thereof. The inventive...  
WO/2000/024088A1
The invention relates to an arrangement for contacting magnetic valves (12) that have been introduced into a hydraulics block (10) with an electronic control circuit for brake-slip control. According to the invention, wire ends (24) of c...  
WO/2000/018628A1
The invention relates to a solenoid valve (1), especially for an anti-slip automotive hydraulic braking system, comprising a valve-carrier bushing (58) and a guide sleeve (58) that extends through an opening (57) of said valve-carrier bu...  
WO/2000/017025A1
In an electro-hydraulic braking system a housing is provided having at least three discrete housing portions (1, 2, 3), a first portion being adapted to contain electrical drive circuitry for said at least one actuator, the second portio...  
WO/2000/015480A2
The present invention is a safety-enhancing automatic air parking brake lock system (11) that eliminates accidental and inadvertent disengagement of the air parking brake (100). The lock system (50) may be easily installed in a brake sys...  
WO/2000/007861A1
The invention relates to a relay valve for airbrake systems in railway vehicles, comprising an inlet valve, an outlet valve and a piston system that is connected to the inlet and outlet valve in such a way that it opens the inlet valve w...  
WO/2000/000372A1
A modulator valve for an ABS system for heavy duty vehicles is disclosed. It uses non flow-through solenoid valve assemblies (140, 160) that simplify the machining and manufacturing costs associated with the present arrangement. This eli...  
WO/1999/060251A1
An improved spring brake actuator includes an improved valve housing (32) which incorporates pressure test points (40) into the air supply, and further incorporates an anti-compounding valve (42). By incorporating the anti-compounding va...  
WO/1999/052734A1
The invention relates to an inching braking device. According to the invention, an adjusting device (90, 92) first initiates an adjusting movement of the brake piston (12) of a brake valve system (6, 8) after a predetermined stroke of a ...  
WO/1999/050117A1
The invention relates to an electromagnetic valve which is constructed in the form of a cartridge. The magnet core, magnet armature (12) and valve-closing member (4), and valve seat body of the inventive electromagnetic valve form an ope...  
WO/1999/041121A1
The invention relates to a pressure control valve, comprising a valve housing (14) which in an opening (21) houses a valve seat (12), and a valve closing member (1) which can be applied against the valve seat (12) and is able to connect ...  
WO/1999/040323A1
The invention relates to a pressure valve (1), especially for a piston pump provided for conveying a pressure medium in slip regulated hydraulic brake systems, whereby the pressure valve (1) comprises a valve seat body (10) and a valve c...  
WO/1999/037517A1
A valve (10) with a tubular valve housing (11) containing a hydraulic fluid guiding body (13) arranged between the body of the valve (12) with a hollow cone-shaped seat (26) and an area (21) of the valve housing (11) receiving actuating ...  
WO/1999/037518A1
A spring applied, hydraulically released (SAHR) parking and emergency brake system (30) can be manually overridden to permit towing or assisted vehicle transport when charge pump pressure is unavailable for the brakes (40), and is reset ...  
WO/1999/032337A1
The invention concerns a master cylinder (32) for a vehicle hydraulic brake installation for actuating the brake motors of the wheels, the master cylinder (32) being capable of being isolated from the wheel brake cylinders (20) by means ...  
WO1999006253A3
The invention relates to a pressure control device comprising the following: pressure control valves (5) which can close or open pressure control channels in a valve support body (1); a two-part covering unit (3) which is placed on the v...  
WO/1999/018375A1
A valve arrangement has a first and second fluid connection (7, 9), a valve member (3) prestressed by a spring arrangement (4) in a first position in which the first and second fluid connections (7, 9) are mutually shut off, and an actua...  
WO/1999/010213A1
An ABS modulator solenoid valve (10), having one electric solenoid (12), in which the valve control piston (14) has a passage (16) therethrough for balancing the pneumatic pressure on both ends (34, 36) of the control piston (14). One en...  
WO/1999/008915A1
The invention relates to a seat valve with a valve box (6) wherein two axially mobile valve closing elements are mounted. In normal position, the first valve closing element (1) blocks a first valve gate (7) situated between a first pres...  
WO/1999/006253A2
The invention relates to a pressure control device comprising the following: pressure control valves (5) which can close or open pressure control channels in a valve support body (1); a two-part covering unit (3) which is placed on the v...  
WO/1998/052801A1
The invention relates to a vehicle braking system with wheel slip control which is provided with a so-called filling valve, i.e. a non-return valve (5) between a secondary and a primary circuit. In order to fill the braking system with p...  
WO/1998/052802A1
The invention relates to a vehicle braking system with anti-slip wheel control. Said braking system is provided with a so-called filling valve, i.e. a non-return valve (5) between a secondary and a primary circuit. In order to fill the b...  
WO/1998/047751A1
An air braking system of a vehicle has a compressor (11), non-return valve (16), manifold (20), electrically actuable demand valve (21), an air consumer circuit (2.1). An auxiliary circuit connects the manifold (20) to the consumer circu...  
WO/1998/046464A1
An improved relay valve (10) having a supply port (16), a delivery port (18), an exhaust port (20), a control port (17), a relay piston (14) controlling communication between the supply port (16), the delivery port (18), and the exhaust ...  
WO/1998/041430A1
The invention concerns a motor vehicle hydraulic braking system which is operated by extraneous force and has a brake master cylinder (2) upstream of which is connected a hydraulic brake booster (3) comprising a booster piston (17) and a...  
WO/1998/040258A1
The invention relates to an electromagnetic valve (10) preferably comprising a rod-shaped base element (12) for insertion into a stepped hole (30) of a hydraulic unit (32). The base element (12) has a valve lifter (22) running through it...  
WO/1998/040259A1
The invention relates to a multiway pressure control valve for an electromagnetically controllable multiway control valve (2) for slip-controlled hydraulic motor vehicle braking systems, for connecting at least one wheel brake hydraulica...  
WO/1998/038069A1
The invention relates to a vehicle brake system which allows for both anti-blocking control and variable power braking control. When power braking is applied, starting brake pressure is built up in the wheel brakes (17, 18) by means of a...  
WO/1998/033688A1
An electromagnetically controllable multiple way control valve for hydraulic, anti-lock motor vehicle brake systems puts at least one wheel brake (wheel) in hydraulic communication with a high-pressure source (THZ) or a low-pressure rese...  
WO/1998/033687A1
An electromagnetically controllable multiple way control valve for hydraulic, anti-lock motor vehicle brake systems puts at least one wheel brake (wheel) in fluid communication with a high-pressure source (THZ) or a low pressure reservoi...  

Matches 401 - 450 out of 4,071