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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...
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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 ...
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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...
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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 ...
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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...
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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)...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 (...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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WO/1988/006070A1 |
An undercutting drill for obtaining a drill hole (5) with conical undercut (4) has a drill shaft (6) connected in an articulated manner through a housing (8) containing a universal joint to a clamping shank (14), the face of the housing ...
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WO/1988/005739A1 |
A dual circuit brake valve (10) is provided with a delivery differential control mechanism which controls the differential between the delivery pressures of the primary (70) and secondary (114) braking circuits. The delivery differential...
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WO/1988/003102A1 |
A solenoid control valve (10) for use in adaptive braking systems has a unique armature for reducing the operating times of the valve. When the solenoid (52) is energized, the armature (50) moves towards a plunger mechanism (32) which op...
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WO/1986/000586A1 |
Spring-applied, pressure-released brakes are useful, for example, in construction vehicles or other vehicles that require an automatic braking in the event of an engine failure. In order to tow the vehicle for service, the brakes must be...
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WO/1981/002274A1 |
Hydraulic brake apparatus for a vehicle having spring-applied, fluid pressure-released brakes (10), the brakes (10) being applied by the failure or loss of vehicle hydraulic pressure. The technical problems involve the release of the bra...
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WO/1981/001393A1 |
The brake accelerator comprises a control piston (16) exposed to the pressure of the main air conduit (1) opposite to a reference pressure (9). The piston (16) controls a stop valve (29, 31) arranged between the main conduit (1) and a ch...
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WO/1981/000386A1 |
Conventional fluid control circuits for service brakes and the like do not always provide an operator with "pedal feel" to indicate the degree of brake engagement. Such "pedal feel" is particularly desirable in braking systems wherein th...
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WO/1981/000387A1 |
Conventional fluid control circuits for brakes, including separate parking and retarding valves, include high volume lines and/or complex mechanical linkages to selectively effect the braking functions. This invention provides a relative...
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WO/1981/000385A1 |
Conventional fluid control circuits for brakes and the like normally comprise a control valve interconnected between a pressurized fluid source and the brakes for selectively actuating the same. A problem arises in that upon starting of ...
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JP7457466B2 |
To compensate component tolerance in an electromagnetic valve so as to surely exhibit a desired function of the electromagnetic valve irrespective of the component tolerance.There are provided a control device (24) and a method for actua...
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JP7449752B2 |
To provide a variable load valve that suppresses increase in dimensions of a variable load valve in an axial direction of a valve stem even when increasing the number of load pressure inputs.A variable load valve includes: multiple input...
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JP2024510005A |
Hydraulic actuation system for a brake system, comprising: - at least one brake circuit (BK) with at least one hydraulically actuated wheel brake and - in particular via an actuating device in the form of a brake pedal; - a master brake ...
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JP7438979B2 |
Provided is an air supply circuit that is capable of maintaining an operating state of a parking brake even in the event of the failure of a power supply for an electronic control device that controls the parking brake. An air supply cir...
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JP7416907B2 |
A parking brake device has at least one first connection line for connection to a compressed air source and at least one second connection line for connection to a compressed air source. At least one first compressed air output line for ...
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JP2024500547A |
The valve unit (10) for the ABS system comprises one hydraulic chamber (15) configured to receive brake fluid and a discharge port (14) for supplying brake fluid to the brake caliper (G). ), and a passageway (50) for allowing brake fluid...
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JP7407676B2 |
To provide a brake unit for a human powered vehicle which enables improvement of operability of a brake operation device, and to provide the human powered vehicle.A brake unit for a human powered vehicle has a valve which switches a comm...
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JP7405848B2 |
An electronic control system of the braking of a railway vehicle includes an emergency braking module which generates a respective intermediate braking pressure signal indicative of an emergency braking and a service braking module which...
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JP2023552306A |
A valve unit (10) for an anti-lock braking system (ABS) has a valve body (11), a piston (18) movable within the valve body, and an elastic element (34) acting on the piston. The valve body includes an expansion chamber having a discharge...
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