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WO/1990/006871A1 |
A vehicle braking system has a master cylinder, a first brake associated with a front wheel of the vehicle and a second brake (11) associated with a rear wheel of the vehicle, the master cylinder being connected to the first and second b...
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WO/1990/005857A1 |
A parking brake assembly of the blind-cable-connection type including a backing plate (102) containing an opening, a helical guide spring (120) arranged to guide a flexible resilient inner cable member (116) toward a ramp surface (114c) ...
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WO/1990/005655A1 |
A proportioning valve (40) is disposed within a stepped bore (13) of a master cylinder (10). The proportioning valve (40) defines with the stepped bore (13) a primary pressure receiving chamber (26) and a secondary pressure receiving cha...
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WO/1990/005656A1 |
A master cylinder (10) includes a housing (14) having a metering valve (40) integral therewith. The master cylinder housing (14) has a boss (18) which defines a transverse bore (20) that communicates at one end (24) with a chamber (12) o...
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WO/1990/005080A1 |
The proportioning valve assembly (40, 140, 240, 340) may be screwed into a complementary-shaped opening in a master cylinder (10). The valve assembly (40, 140, 240, 340) includes a differential area piston (50, 150, 250, 350) biased by a...
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WO/1990/003897A1 |
To prevent acceleration of the engine of motor vehicles or to interrupt an acceleration process already taking place by operating the brake pedal (7), even when the gas pedal (1) is operated simultaneously, the transmission device (2) le...
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WO/1990/003905A1 |
The electrically actuated cable mechanism (10) comprises a housing (12) disposed about the cable (15) and having a movable conduit (20) extending from one end and a stationary conduit (30) extending from the other end, each conduit (20, ...
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WO/1990/003292A1 |
A two-stage relief valve for a quick-fill master cylinder (10). The two-stage relief valve (54) has a ball (88) that is biased against a first seat to control the flow of fluid from a quick-fill chamber (30) to reservoir (42), and a unit...
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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/1990/000994A1 |
Master and slave cylinders (10, 45) are provided interconnected by a conduit (46). The master cylinder (10) includes a piston (19) movable in a cylinder (11) which defines a pressure chamber (82) arranged to be placed under pressure by t...
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WO/1989/011990A1 |
A connection for press fitting and securing together a reservoir (40) to a master cylinder housing (10) comprises a master cylinder housing extension (12) having an end (14) with an exterior abutment (16) and an enlarged interior diamete...
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WO/1989/011600A1 |
A coupling-master unit made of plastic for a motor vehicle comprises a plastic cylinder housing (1) and a piston (2), and a plastic sleeve (3). The plastic sleeve (3) can be screwed into the housing by means of a screw thread (4) arrange...
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WO/1989/011040A1 |
The actuator comprises a clutch pedal lever (12) which is pivotally connected to a support (17). The pedal is integral with a cylinder (18) having a piston (20) therein which is connected to a hollow pushrod (28). The pushrod is also piv...
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WO/1989/009712A1 |
The hydraulic cylinder includes a main body (10a) defining a central axial bore (10b), in which a piston is mounted for axial movement, and an external appendage (10k) on said main body. The main body (10a) has a cylindrical wall thickne...
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WO/1989/009713A1 |
A hydraulic brake system comprises a master cylinder (10), a servo brake (12) and a filling chamber (38) by means of which, during the initial phase of brake actuation and for a relatively short travel of the pedal, the brake system is r...
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WO/1989/007541A1 |
The hydraulic master cylinder includes a cylinder (10) containing a piston (12) for discharging hydraulic fluid from a pressure chamber (10c) in the cylinder, and a reservoir (16) having a flexible tubular diaphragm (20) therein. The dia...
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WO/1989/007540A1 |
The assembly comprises a cylinder (24) having an axial bore (24g) and including a forward end (24i), a rearward end (24h), a discharge port (24n) adjacent said forward end, and a reservoir port (24q) adjacent said forward end. A piston (...
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WO/1989/007539A1 |
The proportioning valve assembly (40, 140) may be screwed into a complementary-shaped opening in a master cylinder (10). The valve assembly (40, 140) includes a differential area piston (50, 150) biased by a spring (70, 170) toward the o...
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WO/1989/005745A1 |
A vehicle braking system has a master cylinder (70) which will produce a source of high pressure fluid upon brake actuation, said master cylinder (70) is connected by a brake line to a brake actuator (62; 64) which upon actuation of the ...
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WO/1989/003954A2 |
The seal (50) includes an axially forward portion (50a) defining radially inner and radially outer deflectable lip seals (50c, 50d) and an axially rearward portion (50b) defining radially outer and inner arcuate heel seals (50e, 50f). Wh...
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WO/1989/002381A1 |
A proportioning control valve 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 of c...
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WO/1989/002546A1 |
A hydraulic gearshift, in particular multi-plate clutch or brake (1) for gears of motor vehicles capable of being shifted under load has a working piston (9) capable of being hydraulically driven arranged in a working cylinder (8). To ev...
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WO/1989/001887A1 |
In an automatic parking brake, the braking pressure is increased and then maintained constant by the vehicle and actuation (7) of the brake pedal when the speed falls below a minimal value Vx (5), and decreased when the driver wishes the...
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WO/1989/001432A1 |
An adaptive braking/traction control system (10) comprising a number of solenoid valves (80, 150, 152) to control pressure to a number of brake cylinders (62). The system is operative in an anti-lock mode to control the motion of skiddin...
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WO/1989/000120A1 |
The proportioning valve assembly (40, 140) may be screwed into a complementary-shaped opening in a master cylinder (10). The valve assembly (40, 140) includes a differential area piston (50, 150) biased by a spring (70, 170) toward the o...
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WO/1989/000253A1 |
The hydraulic brake actuating device comprises a cylinder body (1) with an inlet (2) for the pressurized fluid and first and second pistons (7 and 4) for actuating brake shoes. The cylinder body (1) also includes a third piston (3) in wh...
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WO/1988/009735A1 |
A brake system wherein an input from an operator operates a first master cylinder (12) produces first and second hydraulic fluid pressures. Flexible conduit (22 and 24) carries the first and second hydraulic fluid pressures to an actuato...
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WO/1988/009734A1 |
The hydraulic actuator comprises a hydraulic master cylinder (12) having an outlet (12e) for connection to a slave cylinder (14) through a working fluid conduit (15) and an inlet port (12d) for connection to the outlet port (23) of a res...
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WO/1988/008801A1 |
The assembly comprises a piston (18) made of plastics material and which is slidable axially in a cylinder (16). The piston has an axially extending socket (18f) in an end thereof made of metallic material which locates a piston rod (21).
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WO/1988/008800A1 |
A master cylinder (12) includes a piston (30) slidable within a pressure chamber (28b) and a valve assembly (36) for permitting an inhibiting communication between the pressure chamber (28b) and a reservoir. The valve assembly (36) inclu...
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WO/1988/006991A1 |
An apparatus (50), (100), (33), and (38), (41) providing a method for applying manual forces in one movement to initiate mechanical forces which are increased by hydraulic forces in providing a booster to the master cylinder (MC) needed ...
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WO/1988/006992A1 |
This invention relates to a dual braking system of vehicles. This system, for example, can prevent the situation when only one of the two brakes (4a, 5a) is operating while the other is inactive, can reduce its size as well as its cost o...
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WO/1988/005737A1 |
Master cylinder (10, 210, 310, 410) includes a housing bore (14) having at one end (16) a bearing member (18) attached thereto and retaining a sleeve member (20) within the bore (14). One piston (30, 230, 530) has at one end (32, 232) th...
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WO/1988/005738A1 |
The master cylinder (10) comprises a housing (12) having a longitudinal bore (14), a housing end (16) enclosed by a bearing member (18) which retains a sleeve member (20) within the bore (14), a reservoir (70) mounted on the housing (12)...
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WO/1987/003850A1 |
A hydraulic master cylinder (10) formed by telescopically fastening together a pair of cylinder housings (30, 34) to form a cylinder. A piston (64) in the cylinder is operative to transfer hydraulic fluid to a slave cylinder (15) connect...
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WO/1987/003344A1 |
A cylinder for use in a fluid pressure system having a body composed of an outer shell (9) and an inner sleeve (18), both of which are formed of a plastics material. The sleeve is relatively short as compared with the shell so that at le...
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WO/1986/001163A1 |
The clutch brake method relates to vehicle brake systems. A clutch brake method consists mainly of a mechanism and device in a small unit (Fig. 1-7) which causes braking pressure from the master cylinder to wheels to be diverted to the c...
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WO/1986/001162A1 |
Control valves having a valving element which is movable against an increasing biasing force for controlling fluid flow to and from an actuator are useful in construction vehicles to control a clutch and/or a brake. The increasing biasin...
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WO/1985/003480A1 |
A creep control valve (22) for keeping vehicle brakes applied is under the control of a digital electronic system which senses the vehicle speed and whether the accelerator pedal (69) is depressed or released. The creep control is enable...
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WO/1985/000148A1 |
Hydraulic power transmission device (1) adapted to form part of a control system at which the pressure of a hydraulic fluid (6) is controlled at one or more points of the control system by fluid pressure actuated members and in which cha...
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WO/1985/000203A1 |
A valve system for gas or liquid, comprising a hydraulic power transmission (19) where the pressure of hydraulic fluid is controlled by fluid pressure actuated members (15) and the changes of the fluid pressure actuate operative members ...
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WO/1984/001546A1 |
A hydraulic fluid container (10, 110) is specially adapted to mate with a vehicle hydraulic fluid reservoir (40, 160) for the purpose of transferring fluid from the container to the reservoir. In one embodiment a spout (24) has a particu...
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WO/1984/000333A1 |
A vehicle brake system that is selectively power or manually operable. A novel isolation valve (2) isolates the manual part (4, 5, 8) of the system from the power part (10, 18), when the latter is inoperative. This prevents the flow of m...
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WO/1983/004292A1 |
A transmission neutralizing system for a vehicle includes a transmission control mechanism (28) movable between at least two opposed drive positions and an intermediate neutral position. The transmission control mechanism (28) has an arm...
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WO/1983/000207A1 |
An automatic fluid level maintainer that senses the level of a fluid to determine if it is below a critical level, and, if it is so determined, causes an automatic replenishment of the fluid supply until the critical level of fluid is re...
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WO/1982/003604A1 |
Control system for use on an automative vehicle in conjunction with a valve (20) in the vehicle's hydraulic brake system to control certain aspects of the braking operation. Preferably, the present control system insures that the brakes ...
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WO/1982/001856A1 |
A seal for a bleed nipple comprises a resilient sealing member (1) adapted to surround a bleed nipple (10) between a nut like annulus (15) provided for actuation of the nipple (10) and the slave cylinder (11), the sealing member (1) bein...
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WO/1982/001169A1 |
A brake system (10) providing a self-bleeding and self-cleaning operation as a function of selective positioning of the transmission control (16) of the vehicle. The brake (12, 13), in the illustrated embodiment, is a spring-applied, hyd...
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WO/1982/000972A1 |
A staple forming and driving tool (10) employing a vertical front portion of a staple head base (34), and sheath (40) to provide a space for reciprocating former member (70) and driver (80). Spring (50) urges base (34) toward sheath (40)...
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WO/1982/000804A1 |
A hydraulic control valve used for a 2-circuit brake hydraulic system which functions so that the other brake circuit is not controlled when one brake circuit fails. When the hydraulic pressure of the one brake circuit fails, a movable m...
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