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Patent Searching and Data


Matches 401 - 450 out of 4,128

Document Document Title
WO2001089900A3
A combined spring brake modulating relay valve integrates the functions of a relay valve and a modulating valve. The housing includes a valve assembly movable in response to air pressure provided to selected ports in the housing. A relay...  
WO/2002/025153A2
The invention relates to a combined valve device (1) comprising two electromagnetically actuatable valve systems (2, 3). Each valve system (2, 3) comprises an actuating device (4.1, 4.2), a main valve (9.1, 9.2) which is arranged between...  
WO/2002/022415A1
A device for causing a reduction in pressure of air in the brake pipe of a railway rolling stock or locomotive in the presence of abnormal riding or acceleration of the stock or locomotive, comprising a main housing (1) for accomodating ...  
WO2001058736A3
The invention relates to a control circuit for a controlled electro-magnetic valve of an automotive braking system. In said inventive circuit, the actual values of a controlled variable (f(t)), for example the vehicle deceleration, a whe...  
WO/2002/016180A1
The valve (10) has a seat valve (27) with a hollow cone shaped valve seat (24) and a hemispherical closing member (26). A feed bore hole (23) leads centrically into the valve seat (24), said bore hole being connected to a pressure medium...  
WO/2002/012039A1
A hydraulic piece (13) of a solenoid valve (10) is contained in a drilling (14) in a valve block (11). The fixing of the hydraulic piece (13) to the valve block (11) is achieved by means of caulking (53) a fixing bush (43) which is pushe...  
WO/2002/010627A1
The invention relates to a valve (10) comprising a valve body (16), a valve dome (22) linked with said valve body (16), an armature (23) received by the valve dome (22) while longitudinally displaceable, and a tappet (21) for transmittin...  
WO/2002/009993A1
The invention relates to a valve (10) comprising a valve body (16) with a longitudinal bore (17), a valve dome (18) linked with said valve body (16), an armature (19) received by the valve dome (18) while longitudinally displaceable, and...  
WO/2002/005048A1
The invention relates to a method and to a device for controlling at least one valve. Once a leakage in the system comprising said valve is detected, a control signal is produced that shortly opens and closes the valve for flushing, or t...  
WO/2001/089900A2
A combined spring brake modulating relay valve integrates the functions of a relay valve and a modulating valve. The housing includes a valve assembly movable in response to air pressure provided to selected ports in the housing. A relay...  
WO/2001/068426A1
A system compensates for the weight borne by a railcar in determining the force with which the brakes shall apply. The system includes a brake cylinder (6a) and a valve assembly (20). The brake cylinder features a sealed chamber (74) beh...  
WO/2001/066376A1
The present invention is a safety-enhancing automatic brake control system that automatically applies and maintains the brakes in the applied state, in response to sensors at various stations around/in the vehicle or equipment that signa...  
WO/2001/058736A2
The invention relates to a control circuit for a controlled electro-magnetic valve of an automotive braking system. In said inventive circuit, the actual values of a controlled variable (f(t)), for example the vehicle deceleration, a whe...  
WO2000015480A9
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/2001/040044A1
A lightweight, non-metallic valve is preferably formed of molded plastic. The valve (50) has an hour-glass configuration or enlarged recesses formed therein to reduce the overall mass of the assembly and provide increased sensitivity to ...  
WO/2001/030625A1
The invention relates to a brake device (1) for a construction machine, comprising a first brake circuit (2), which is coupled to a first brake member (4) on a first wheel axle (6) of the machine, a second brake circuit (8), which is cou...  
WO/2001/028834A1
The invention relates to a control unit (1) for a wheel brake (2) of a motor vehicle. The inventive unit is provided with a hydraulic pump (14) which can be driven in a speed-variable manner by means of an electromotor (13). Moreover, a ...  
WO/2001/026946A1
The aim of the invention is to adjust a residual air gap (a) between an anchor (18) and a pole piece (12) of a magnetic valve (10). To this end, the magnetic valve (10) is partially assembled in such a way that a tappet (14) can still be...  
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...  

Matches 401 - 450 out of 4,128