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Patent Searching and Data


Matches 351 - 400 out of 4,002

Document Document Title
WO/2002/068250A1
The invention relates to a valve, especially for anti-skid control brake systems in motor vehicles, comprising a valve tappet (4) guided in a valve housing (5), said valve tappet having a valve closing element (6). A valve seat (7) faces...  
WO/2002/066306A1
A method for controlling a braking device for motor vehicles with electrically controlled hydraulic valves and a hydraulic pump is disclosed. One or more valve coils, provided as being necessary for hydraulic control functions are activa...  
WO/2002/060732A1
Disclosed is a parking brake, which is mounted on all vehicles as an essential element. A parking brake electron valve according to the present invention can obviate inconvenience caused when a hand brake is used for parking a vehicle, a...  
WO/2002/060734A1
The invention relates to a unit for an electronically regulated braking system, comprising a motor (2) which drives a pump (21) via a shaft (3, 4), said pump being disposed in a valve block or pump block (1) and used to transport hydraul...  
WO/2002/058979A2
A pneumatic actuator (50) is integrated into a foot control valve(20). It includes a pneumatically activated piston that applies a force to the foot control valve primary piston (32) which, in turn, applies the vehicle brake system. The ...  
WO2002025153A3
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/2002/042137A1
The invention relates to a method for operating an electronically adjustable brake actuation system for motor vehicles comprising a depressurised hydraulic fluid reservoir (4), a pressure source (20) that can be controlled by an electron...  
WO/2002/042136A1
In the inventive device, the supply voltage (U¿V?) available for controlling the electromagnet (7) of the brake valve is continually measured during operation and the effective value (U¿eff?) of the voltage present at the coil of the e...  
WO/2002/036408A2
An electronically controlled parking or safety brake is disclosed. The brake is capable of reliably immobilizing a locomotive (9). A brake may employ both manual and automatic modes, and be capable of providing for either mode in operati...  
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...  

Matches 351 - 400 out of 4,002