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Patent Searching and Data


Matches 501 - 550 out of 3,989

Document Document Title
WO/1993/022173A1
A relay valve (10) for a fluid pressure braking system includes a relay piston (16) and a load piston (34) which is responsive to the pressure at the inlet port (38) of the relay valve to exert a biasing force on the relay piston loading...  
WO/1993/019961A1
To provide an easily manufactured electromagnetic valve which permits precise adjustment of the axial air gap needed on the magnet armature (22) by simple means and, where necessary, facilitates the individual selection of the diaphragm ...  
WO/1993/015941A1
The invention concerns a solenoid valve with an armature (2) which is surrounded by a dome (14) and which lifts in dependence on the current flowing in a solenoid (16) also fitted in the dome (14), so that a valve needle (11) attached to...  
WO/1993/014960A1
Proposed is a pump fitted with a pressure valve (10) which is fitted in a supporting element (36) inserted in the pump housing. The supporting element (36) has a bore (49) leading to a chamber (40) which is connected in turn via a constr...  
WO/1993/011370A1
A proportional pressure control valve (10) has a metering spool (42) which selectively meters flow between an axial first port (12) and radial second ports (14). The spool (42) is axially reciprocable with a larger face (40) toward the f...  
WO/1993/009984A1
A combination solenoid valve and shuttle valve (60) particularly for use in an anti-lock braking system comprising a shuttle valve (50) which is slidingly and sealingly received adjacent an end of the solenoid valve (40). The shuttle val...  
WO/1993/009983A1
The combination solenoid valve and integral shuttle valve (10) comprises a solenoid valve (40) having windings (41) which actuate a rod (43) that engages a ball valve (44). An end (61) of the solenoid valve (63) includes an end filter mo...  
WO/1993/009012A1
An electro-hydraulic brake system (30) comprising: a master cylinder (32); a pump (34) the output being communicated to a pressure regulating valve (50), a motor (36) for rotating the pump; an isolation valve (42) for selectively connect...  
WO/1993/008051A1
An electromagnetic valve has a magnetic armature (1) that is enclosed in a valve dome (11) and that moves back and forth according to the current applied to a magnetic coil (1) arranged on the valve dome (11), so that a valve lifter form...  
WO/1993/007032A1
A valve (31), the lift of which must be adjusted, is to be fitted with a throttling port (75). The valve (31) has a guide pipe (49) open at the bottom with a pressed-in valve body (53) via the through drilling (58) of which an armature (...  
WO/1993/007033A1
The purpose is to provide a heavy-duty interlocking connection between a magnetic valve (1) and a casing (10) which saves material and is inexpensive. The casing (10) has an insertion drilling (9) which becomes an undercut (16) as the dr...  
WO/1992/018362A1
The invention concerns a solenoid valve in which a volume governer (4) which determines the flow of brake fluid is inserted coaxial to the valve-closure member (2) and inside the body (3) holding the valve. The volume governer (4) is int...  
WO/1992/018365A1
A valve assembly (10) includes a housing (12) and a valve plunger (22) slidably mounted within the housing, which carries a pair of valve engaging, ringlike elements (24, 27) for engagement with corresponding seats on the plunger. The cr...  
WO/1992/014636A1
The purpose of the invention is to simplify the manufacture and the assembly of the solenoid valve. The solenoid valve (10) has a seat valve (12) which can be overridden by a parallel nonreturn valve (13). The nonreturn valve (13) has a ...  
WO/1992/013741A1
The invention concerns a pressure-control valve which has a valve stem (1) mounted in a housing (7), with a seal between stem and housing, the valve also having a pressure-compensation channel (4) permanently linking a first and a second...  
WO/1992/012878A1
An electrohydraulic pressure regulator has one or several electromagnetically controllable hydraulic valves arranged as a block on a valve housing (5). In order to obtain a compact pressure regulator with optimal operation which is as si...  
WO/1992/006872A1
A proportional modulator (10) includes valve elements (22) actuated by a proportional solenoid (44) that controls communications between an inlet port (14), an outlet port (16), and an exhaust port (18). The pressure level at the outlet ...  
WO/1992/005989A1
The invention concerns an electromagnetic valve in which a valve tube (3) is fitted, so that it is frictionally locking, between a bushing (1) fitted in a bore in the valve housing (2) and the valve housing (2) itself, preferably by caul...  
WO1992003321A3  
WO/1992/004566A1
The invention concerns a pressure-control valve with a tappet (1) which moves in the valve housing (3) and carries a compression spring (4). The valve-closure element (10), which forms an integral part of the tappet (1) and fits against ...  
WO/1992/004214A1
The valve disclosed has a magnetic armature (2) surrounded by a dome-shaped casing (14), the armature executing a reciprocating motion in response to the passage of current through a coil magnet (16) fitted round the casing (14), thus mo...  
WO/1992/003321A2
The linear variable pressure adaptive braking and traction control system (10) includes a control valve (70) having a linear actuator (72) and a valve (74). The linear actuator (72) may be operated to displace axially a valve member (82)...  
WO/1992/002393A1
A control valve (12) for a vehicle parking brake system is controlled by a pair of camming mechanisms, one of which is controlled by the shift lever (72) of the vehicle automatic transmission and the other of which is controlled by a man...  
WO/1991/017910A1
The combination isolation and check valve includes a valve member (80, 180) which has a reduced diameter section (82, 182) and an enlarged diameter section (84, 184) disposed in respective bore sections (70, 74) separated by an intermedi...  
WO/1991/015388A1
A brake valve for an automatic brake system includes an actuator responsive to feedback pressure from a brake for regulating pressure in the brake proportional to an electrical signal applied to the actuator. The actuator exerts a force ...  
WO/1991/013785A1
A regulator (110) for a fluid braking system of motor vehicles, particularly for hydraulic braking systems. The regulator (110) includes a housing (112) formed of a main housing piece (115) and a detachable cap piece (160). A resilient b...  
WO/1991/012452A1
A proportional pressure control valve is disclosed which may be used for uni-directional or bi-directional fluid flow. An electromagnetic driver (35, 251, 360) mounted in a driver cavity (36, 353) of a housing produces a magnetic flux pa...  
WO/1991/009760A1
The pressure-control valve described is designed to ensure rapid evacuation of the air over a short distance from the consuming device when the brake pressure is rapidly released, and to ensure a smooth variation in the pressure through ...  
WO/1991/006458A1
A vehicle air brake system (180) includes a novel three chamber brake actuator (182) having a service brake, chamber (8), a spring brake chamber (10) and a supplemental chamber (212). A conventional modulated spring brake control valve (...  
WO/1991/004896A1
The differential pressure shuttle valve (10) comprises a stepped bore (14) having enlarged (16) and reduced (18) diameter sections. The reduced diameter section (18) communicates with first (20), second (22), and third (24) openings, and...  
WO/1991/001907A1
A valve block, in particular for slip-controlled hydraulic brake systems, comprises magnetic coils (1) lodged in a plurality of valve domes (6), insulating sheaths cast around the magnetic coils (1), and a contact support (2) containing ...  
WO1990015742A3  
WO/1990/015742A2
A solenoid valve (10) comprises a body (12) received within a stepped opening (13) of a modulator body (11). The solenoid valve (10) includes a first opening (16) communicating with a chamber (40) and second (20) and third (22) openings ...  
WO/1990/015741A1
An air brake system for railway trains is of the known direct releasing kind in which a controlled fall in pressure in a brake pipe determines the auxiliary reservoir pressure admitted to a brake cylinder, thereby achieving a predetermin...  
WO/1990/015739A1
The shuttle valve (10) has a valve member (30) which includes first (32) and second (36) diameter sections disposed within small diameter (22), reduced diameter (24), and enlarged diameter (26) bore sections of a stepped bore (14) locate...  
WO/1990/012718A1
The invention relates to a vehicle braking system which comprises a braking element (15) operable by a driver, control signal generating means (21) responsive to the operation of the braking element (15), means braking at least one vehic...  
WO/1990/012717A1
The invention relates to a vehicle braking system comprising a braking element (15) operable by a driver of the vehicle, control signal generating means responsive to the operation of the braking element, means braking at least one wheel...  
WO/1990/012712A1
The invention relates to a method and a device for controlling the operating brake pressure to pressure medium brakes (18A-18D; 16A-16D) in a vehicle combination comprising a tractor vehicle and at least one trailor vehicle, said vehicle...  
WO/1990/011918A1
These units with central valves are structural elements of vital importance for safety and must comply with stringent requirements (error-free assembly, reliability). The central valve has a valve stem (25) on which two spring plates (29...  
WO/1990/009914A1
A hydraulic control valve (10) for controlling the parking brakes (20) of a vehicle hydraulic braking system having mechanically applied parking brakes which are released by hydraulic pressure includes a housing (12) having a mechanicall...  
WO/1990/005658A1
A control valve (10) comprises a valve assembly (12) having a stepped bore (18) which communicates with a first inlet (30) from a master cylinder, a second inlet (40) from a pump, a first outlet (50) to a wheel brake, and a decay outlet ...  
WO/1990/004531A1
An air brake system whith a communication control valve (10); a multifunction control valve for an air brake system; various sub-valves within the multifunction control valve - including a pressure protection valve (8), a pressure reduci...  
WO/1990/002676A1
A proportioning control valve (10) for heavy duty fluid pressure braking system includes a proportioning piston (52) which is normally held in engagement with an abutment by control pressure. A tare pressure spring (104) urges a caging m...  
WO/1990/000128A1
A control valve (10) for a fluid pressure braking system includes a housing (12) which receives a pair of identical plungers (14, 16) and corresponding springs acting on the plungers (14, 16) which activate automatically at different tri...  
WO/1989/010286A1
Electrohydraulic pressure-control device for an antilocking control system in the form of a self-contained assembly comprising an electronic regulator (1) and a hydraulic unit. The latter comprises a holding body (18) for electromagnetic...  
WO/1989/006224A1
A control mechanism (10) for operating a vehicle (14) has a housing assembly (56) mounted for swinging movement about an upstanding axis (30), and a brake actuating member (160) is mounted on the housing assembly for swinging movement ab...  
WO/1989/005746A1
A valve block aggregate for an anti-blocking system for motor vehicles comprises a valve supporting body (1) and a cover (2). The cover (2) is made of plastic into which strip conductors are injected. The strip conductors form part of a ...  
WO/1988/008799A1
A proportioning control valve (10) for a fluid pressure braking system for a tractor-trailer combination vehicle permits unproportioned communication of control pressure when the tractor is pulling a trailer but proportions communication...  
WO1988006993A3  
WO/1988/006993A2
An integrated pressure exhaust valve and pneumatic coupling is used on a truck trailer for bringing air brake pressure from a tractor to the truck trailer. A gladhand coupling moiety is used for quick connection with an identical couplin...  

Matches 501 - 550 out of 3,989