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Patent Searching and Data


Matches 451 - 500 out of 4,002

Document Document Title
WO/1997/010981A1
A 2-position/3-way solenoid valve for an anti-lock brake system utilizing a modulator block as a component of the valve is disclosed. A valve housing is provided with only a first port, one of three pathways formed in the modulator block...  
WO/1997/010135A1
The invention relates to an electromagnetic valve with a valve housing (1) having a plurality of valve components required for its operation, e.g. a closing body fitted to the magnet armature (5) and a magnet core (7), in which the closi...  
WO/1997/010132A1
The invention concerns a hydraulic change-over valve which effectively prevents fluttering in a hydraulic braking system. According to the invention, an air cushion which attenuates pressure pulsation is incorporated in the valve inlet c...  
WO/1997/007002A1
An electromagnetic valve has a housing (2) into which is inserted a sleeve (13) that receives a magnetic core (14), and a magnetic armature (16) on which is mounted a valve closing member (7) that in its base position, in which it is not...  
WO/1997/007004A1
A controller is disclosed to accelerate braking in compressed-air brakes, in particular of rail vehicles. The controller has a control piston (2) that receives on the one hand the pressure of a pressure chamber (3) linked to the main air...  
WO/1997/007000A1
A 2-position 3-way solenoid valve (100) is disclosed having a hinged structure. The solenoid valve includes a hollow cylindrical housing (20) and first and second covers (21 and 22) hermetically coupled to both ends of the housing (20). ...  
WO/1997/006040A1
A controllable valve (10), preferably an electromagnetically controlled valve, has two valve stages of which the first (14, 18) is actuated and the second (16, 20) works automatically. The open cross-section of the first valve stage (14,...  
WO/1997/002964A1
The invention concerns an inching and braking system for a hydraulically operated apparatus with a braking system (116) and a drive system (102), wherein the drive system (102) and the braking system (116) can be controlled by actuation ...  
WO/1996/036518A1
The invention relates to an electromagnetic valve device, preferably for a pressure medium of a vehicle braking system, with an electromagnetic device (12, 14) coupled to a valve closing device (18, 22) which can be set to several positi...  
WO/1996/034784A1
The setpoint generator of the invention makes use of the "pedal travel s" data item together with that on the "pedal force p", these data items being weighted in the input circuits (4, 5) and the corresponding partial setpoints p's and p...  
WO/1996/033080A1
A braking system with electronic braking pressure regulation has a braking pressure generator (1, 2) and electrically controlled hydraulic valves (5 to 8), as well as an electronic evaluation circuit (11, 13). The braking system is equip...  
WO/1996/032300A1
Disclosed is an inching brake system for a working device, in particular a utility vehicle such as a wheeled loader, the brake system having a drive unit (50, 102), a brake unit (110, 103) and an actuator (2, 24), the drive unit (50, 102...  
WO/1996/030244A1
The object of the invention is to ensure that a solenoid valve opens reliably even when there are great drops in pressure. To this end, the solenoid valve (1) comprises an armature (5) with a plunger (27) accommodated in a longitudinally...  
WO/1996/029218A1
In the method proposed, actuation of the brake pedal is detected by at least two sensors (14, 18), preferably of different types, and the braking intention of the driver is determined from the sensor signals. For fault-detection purposes...  
WO/1996/027515A1
A pressurised-fluid brake valve for a rail vehicle, including a main device and an accelerating device (29, 31) for connecting the main brake pipe (pipe 1) to the atmosphere. The accelerating device is opened when the main device begins ...  
WO/1996/026091A1
The hydraulic and electric powered parking brake system (10) comprises a redundant or simultaneous operation of the system (10) to meet Federal Safety Standards. A dash mounted control knob (24) operates a hydraulic brake application mec...  
WO/1996/024514A1
The invention pertains to an electromagnetic valve with a pressure limiting function whereby a lift movement of the valve tappet (2) as a function of an electromagnetic regulating force can be modified by the action of a hydraulic regula...  
WO/1996/024515A1
A 3-position 3-way solenoid valve for anti-lock brake system is disclosed having a hinge structure. The solenoid valve includes a cylindrical housing and two covers hermetically coupled to both ends of the housing. The housing and two co...  
WO/1996/023678A1
A process for operating an electronically controlled brake actuating system for motor vehicle anti-lock braking systems, with a brake master cylinder (2) that can be actuated by an actuating pedal (1) and braking pressure transmitters (4...  
WO/1996/020857A1
A pressurised fluid railway brake valve including connecting means (1, 2, 3, 4) for connection to a general duct, a control reservoir, an auxiliary reservoir and brake members. A main device and a device for isolating the control reservo...  
WO/1996/015928A1
The invention concerns a pressure control valve having a valve tappet (2) which is disposed in the valve housing (1) so as to be axially movable and, in a first switching position, produces a pressure medium connection between a first pr...  
WO/1996/015926A1
The invention concerns a valve arrangement (2, 2a, 2b, 2c, 2d) having a housing (3), a main valve (4), an auxiliary valve (7), an armature (18, 18a, 18b, 18c) for the auxiliary valve (7), and an electromagnet (12). With previous valve ar...  
WO/1996/012635A1
The reversing valve for dual-circuit brake systems in motor vehicles is designed as a slide valve and consists of a housing (1) in the cylindrical chamber (2) of which a piston (6) is movably fitted and pressed into a boundary position b...  
WO/1996/011827A1
The pressure setting device (10) has series-connected, electromagnetically actuatable valves (12) integrated into a valve block (11) and having a valve dome (18) projecting from a supporting surface (15) of the valve block and a coil (14...  
WO/1996/008398A1
A hydraulic pressure control valve (10) is employed to control brake pressure in a transit car (90). The valve uses a stepped valve spool (50) having a differential area (54, 56) exposed to supply pressure to provide a small resultant fo...  
WO/1996/002412A1
A valve (actuator) for performing pressurization, decompression and pressure maintenance drives plural spools movable up and down within a housing having plural bores by using linear shape memory alloys, and an anti-lock brake system uti...  
WO/1996/000670A1
A pressure control device with electromagnetically actuatable hydraulic and/or pneumatic valves (electromagnetic valves), the parts of which projecting over the valve support (8) have electric contacts (13), with a cover unit which cover...  
WO/1995/033639A1
The invention concerns a hydraulic valve used in particular to ease a spring-loaded brake and which has a housing (10) and an actuator element (40) mounted on the housing and adjustable in two opposite directions. The valve also has an o...  
WO/1995/028308A1
The invention relates to a braking corrector comprising at least one bore (11) and one piston (12) sliding within said bore and forming therein first and second pressure chambers (13, 14) separated from each other by valve means (15) car...  
WO/1995/023075A1
Mechanically controlled power transmission device comprising a rotary engine driving, through a lever (3) and a clevis, (5), a hydraulic slide valve (1) which consists, in a known manner, of a rod (6) sliding in a hole (7) and includes b...  
WO/1995/021759A1
A brake system for a vehicle having a traction control or anti-spin function for controlling wheel spin on differentially driven wheels. The system includes left and right fluid pressure operated brake mechanisms (22, 24) associated with...  
WO/1995/019901A1
The invention relates to a hydraulic brake system with slip control, with a working piston (2, 15) guided in the brake pressure transducer (14), a piston (8) of a hydraulic brake booster to actuate the working piston (2) with at least on...  
WO/1995/012509A1
The invention pertains to a pressure control valve that has a valve closure member (3) that can be displaced relative to the valve tappet (2) in order to control the flow of pressure medium between a first and a second pressure medium po...  
WO/1995/010436A1
An automatically controlled braking system comprises a pneumatic vacuum servo unit and a pneumatic solenoid valve for selectively connecting the servo unit to one or other of the two pressure sources (D, A) via a pipe (15). To avoid depl...  
WO/1995/010437A1
Disclosed is a valve assembly for controlling oil pressure of anti-lock brake system (ABS) in an automobile. The valve assembly comprises a first valve chamber which has a port connected to a master cylinder; a second valve chamber which...  
WO/1995/009751A1
The invention relates to a valve receiving a pressure fluid through an inlet (5a) and intended to deliver, through an outlet (6a) the fluid at a pressure offset with respect to the inlet pressure, said valve comprising, in a body (1), a ...  
WO/1995/008463A1
The object of the invention is an effective automatic adjustment to reduce the sectional area of flow following a closure of the valve. The valve (10) has a magnet armature (21) which moves longitudinally in a valve dome (14) and whose t...  
WO/1995/003961A1
To achieve a simple coil positioning with an optimally compact and functional arrangement of the coils (1) in relation to the support element (2), which is optimally simple to produce and check, where various thermal expansions of the co...  
WO/1995/003960A1
An electrohydraulic pressure regulating device comprises electromagnetically controlled hydraulic valves (electromagnetic valves) arranged on a valve receiving body (3), coils (4) with electric contact elements (11) on parts which projec...  
WO/1994/025736A1
A spring chamber isolation system is provided to isolate the spring chamber of a spring brake actuator from its operating environment. The brake actuator (14) comprises a service brake housing (18) divided into first and second service c...  
WO/1994/018044A1
A three-way electrically-operated proportional pneumatic valve including a first inlet (1) connected to a first pressure source (A); a second inlet (2) connected to a second pressure source (D); an outlet (3) connected to a controlled pr...  
WO1994011227A3  
WO/1994/012379A1
A fluid pressure responsive valve includes a valve member mounted on a guide pin slidably carried by a piston. A valve guide is engaged by one side of the valve element, and the piston engages the opposite side. The piston controls the v...  
WO/1994/011225A1
The aim of producing a reduced-noise pressure relief valve is attained by the invention in that the valve closer (36) has an axial guide push-rod (40), the end of which is spherical (42) and the diameter of which matches the internal bor...  
WO/1994/011227A2
A signal generator (10) for generating an electrical signal which varies in accordance with movement of an actuating member includes a plunger (44) slidable mounted within a housing (12) which carries a pair of permanent magnets (58, 60)...  
WO/1994/010487A1
The present invention relates to a solenoid valve useful for brake hydraulic control of hydraulic equipment, in which pressure intensifying control is effected, in particular, automatic braking systems for vehicles. The solenoid valve of...  
WO/1994/008831A1
A pressure-limiting magnetic valve for drive slip controlled braking systems for motor vehicles has a seat valve with a valve seat (14), a valve member (26) and a return spring (27) which holds the seat valve in the open position. The va...  
WO/1994/005535A1
The combination solenoid valve and shuttle valve (60) with self-cleaning orifice (92) comprises a shuttle valve (50) which is slidingly and sealingly received at an end (40D) of the solenoid valve (40). The shuttle valve (50) includes a ...  
WO/1994/001813A1
The flow rate of a control valve can be controlled continuously while preventing the working liquid from leaking when the control valve is open. A piston (12) is accommodated slidably in the axial direction in a case (11) which is provid...  
WO/1993/023273A1
A directional valve (170) includes an actuator (92, 144) responsive to feedback pressure from a closed volume load (182) for regulating fluid pressure of the load proportional to an electric signal (172). A double-acting cylinder (64, 14...  

Matches 451 - 500 out of 4,002