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6695415 |
Brake fluid pressure relief assembly
A brake fluid pressure relief assembly (50) for a brake system (10) including a pedal assembly (12) employs first and second valves (52, 54) to provide controlled collapse of a brake pedal pad (14)...
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6361123 |
Yaw control system
A yaw control system for an automotive drivetrain includes an equal torque differential, an engine-driven hydraulic pump, and hydraulically actuated control brakes operable to apply a resistive...
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5480216 |
Hydraulic control apparatus of load-response type
A load-responsive hydraulic control apparatus includes a valve operating member for opening a valve portion capable of permitting and preventing a master cylinder from communicating with the rear...
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5354122 |
Seating for an inertia ball of a deceleration-sensitive brake power control
A seating for an inertia ball (101) of a deceleration-sensitive brake power control is disclosed, featuring a substantially stepped feature (114) located above a bottom area (105) and which feature...
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5180212 |
Dual brake pressure reducing valve assembly using single inertia responsive member
A brake pressure reducing valve assembly (1) includes first (2) and second (3) normally open valve sets each for controlling communication between respective associated inlet (4A,15) and outlet...
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5161863 |
Braking pressure control device for automotive vehicles
The present invention relates to a braking pressure control device for automotive vehicles including a regulating valve, composed of a regulating piston (5) and a valve closure member (6), which...
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5022715 |
Pressure control device for brake systems of automotive vehicles
A pressure control device for brake systems of automotive vehicles. The device includes a stepped control piston (5) which is guided axially displaceably within a housing (1, 2) and which,...
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4840433 |
Pressure control device, in particular for pressure-fluid-operable brake systems of automotive vehicles
Disclosed is a pressure control device including a housing incorporating a pressure control valve which governs a connection between a pressure-fluid inlet and a pressure-fluid outlet. Included is...
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4804235 |
Air pressure brake system for a vehicle
A vehicle air brake system including a deceleration sensing device having a piston cooperating with a lever carrying a magnetic roller for operating a reed switch. Movement of the piston depends...
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4761041 |
Fluid pressure control valve for vehicle braking system
A fluid pressure control valve incorporated with dual hydraulic braking circuits connecting a tandem master cylinder to the left and right rear-wheel brake cylinders in a vehicle braking system....
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4735462 |
Inertia valves
An inertia valve includes a valve member which is free to move axially in a cylindrical bore and a valve seat which may be closed by the valve member is provided at one end of the cylindrical bore,...
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4652058 |
Deceleration and pressure sensitive proportioning valve with high pressure damping
A proportioning valve assembly (10, 210) in a housing (12, 212) is pressure responsive to control the flow of fluid to a wheel brake cylinder. The proportioning valve (20, 220) is connected to a...
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4630870 |
Pressure regulator for hydraulic vehicle braking systems
A casing (10) has an inlet (20) and a valve chamber (40) connected to the same as well as an outlet (60). In the valve chamber (40) a valve seat (54) is arranged at the entrance of a passage (52)...
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4614381 |
Brake-pressure corrector sensitive to deceleration
The inertial brake corrector comprises a body (1) closed by a cover (7), with a stepped piston (10) incorporating a tubular extension part (13) extending in a direction opposite the outlet chamber...
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4502735 |
Deceleration-sensitive type hydraulic brake pressure control valve for automotive vehicle
A hydraulic brake pressure control valve for an automotive vehicle which can provide an almost ideal ratio of front wheel cylinder hydraulic brake pressure to rear wheel cylinder hydraulic brake...
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4462641 |
Deceleration sensing valve assembly for vehicle brake
A deceleration sensing valve is provided which includes a valve body adapted to move under its own inertia as the deceleration of a road vehicle exceeds a given value, and a valve seat on which the...
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4452494 |
Hydraulic pressure control valve for a dual-circuit hydraulic braking system
A free piston is reciprocally disposed within a first plunger unit associated with one of two circuits which plunger also houses a poppet valve actuatable by the free piston. A second plunger is...
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4444437 |
Deceleration-sensing modulator valve assembly for vehicle braking systems
Valve assemblies for single and dual circuit braking systems are described. An assembly for a single circuit (FIG. 1) has a primary piston provided with a normally open valve seat engageable by a...
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4433873 |
Control valve assembly
An apportioning valve for controlling the pressure applied to the rear brakes of a vehicle comprises an inlet to receive actuating fluid and an outlet for connection to the rear brakes. The inlet...
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4431235 |
Deceleration-controlled braking compensator for a motor vehicle
The compensator (20) comprises a housing in which there are disposed a compensator piston (30) between an inlet chamber (38) and an outlet chamber (42), and a pilot piston (48) between the outlet...
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4422693 |
Vehicle braking systems
A vehicle brake control device especially suitable for load carrying vehicles comprises a device for sensing front and rear brake pressure and vehicle deceleration, and a control device for...
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4413861 |
Fluid pressure control valve unit of the inertia-controlled type
In a fluid pressure control valve unit, a pair of first and second partition members are assembled within a housing to subdivide the interior of the housing into first and second chambers and to...
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4387932 |
Pressure proportioner
A two stage brake pressure proportioner using brake fluid flow energy to accelerate actuating movement of a control valve once inertia has begun to move the control valve, achieving a precise...
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4382636 |
Deceleration-sensitive brake pressure control device
A deceleration-sensitive brake pressure control device is disclosed which has a pressure proportioning valve, an inertia body, a sealing chamber, a piston and two springs. The piston is adapted to...
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4351570 |
Vehicle brake pressure proportioning valves
A vehicle brake pressure proportioning valve has a stepped proportioning plunger movable by brake pressure against a loading spring. A control plunger subject to pressure from an inlet port...
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4334712 |
Braking compensator dependent on the deceleration
The Compensator is of the type in which the cut-off point is defined by measurement of the pressure of the brake liquid trapped in a pilot chamber when the latter is isolated by closure of a valve...
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4322115 |
Deceleration-sensitive, load-responsive brake pressure control device
An improved brake pressure control device is disclosed which has an inertia valve, a sealing chamber, a piston and a pressure proportioning valve. Between the piston and the valve plunger are...
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4319786 |
Brake pressure control device of deceleration responsive type
A brake pressure control device of deceleration responsive type includes an inertia-controlled valve element cooperating with a valve seat in a valve chamber to control the ratio of brake fluid...
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4284307 |
Hydraulic pressure control valve assembly for automotive hydraulic brake system
A hydraulic pressure control valve assembly comprising a proportioning valve and a deceleration sensing valve is such arranged that when the magnitude of hydraulic pressure in an expandable chamber...
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4265493 |
Brake fluid pressure control valve responsive to deceleration
A brake fluid pressure control valve is inserted into a brake line connecting the master brake cylinder to the rear wheels of an automobile, and varies the braking pressure applied to the rear...
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4247154 |
Brake control valve
A brake control valve for an automobile includes a main body having first and second bores intersecting with each other; a ball valve member arranged in the first bore, and rolled by its weight...
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4245867 |
Fluid brake pressure control system
A fluid brake pressure control system having a hydraulic pressure control valve device controlling the wheel cylinder hydraulic pressure by the inertia in response to the vehicle deceleration with...
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4240671 |
Braking hydraulic pressure control unit for motor vehicle
A braking hydraulic pressure control unit for a motor vehicle including a differential-acting piston having a plurality of pressure bearing portions facing an inlet compartment and an outlet...
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4239296 |
Control valve assemblies
A control valve assembly for a vehicle braking system, comprises a valve controlling communication between an inlet and an outlet, the valve having a valve seat carried by a control piston and an...
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4236760 |
Brake-force regulator for dual-circuit brake systems
A brake-force regulator for dual-circuit brake systems including first and second stepped pistons disposed in a multiple-step housing bore such that the end of the smaller diameter portion of both...
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4225192 |
Antiskid control valve
A pendulum responsive to excessive deceleration operates a valve which creates a pressure differential across a pressure responsive member to close an inlet valve to the brake chamber and expand an...
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4220375 |
Braking pressure control unit
A brake pressure control unit for a vehicle hydraulic brake system having two separate brake circuits to control brakes at the rear wheel of the vehicle comprising a first valve to control one of...
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4219243 |
Hydraulic braking pressure control valve
A hydraulic braking pressure control valve for use in a vehicle includes a first inlet and outlet connected to a first pressure circuit, a second inlet connected to a second pressure circuit, a...
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4212500 |
Antiskid brake control arrangement for vehicle wheels
This invention relates to a hydraulic pressure control valve arrangement for automotive vehicle wheel brake systems, the latter system comprising a hydraulic master cylinder to be actuated by...
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4209201 |
Load-responsive pressure reducing valve device for use in a vehicle brake system
A load-responsive pressure reducing valve assembly for hydraulic brake systems to be interposed between a brake master cylinder and the rear wheel brake cylinders of a wheeled vehicle and includes...
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4205883 |
Inertia sensing brake proportioning valve
A proportioning valve in a master cylinder is pressure responsive to control the flow of fluid to a wheel cylinder. An inertia sensing member is responsive to the deceleration of a vehicle and is...
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4196937 |
Load sensing control valve
A valve for use in vehicle hydraulic brake systems for the purpose of limiting the rear wheel brake pressure relative to the front wheel brake pressure in order to reduce the potential for...
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4179164 |
Braking pressure control valve unit
An inertia-controlled valve unit includes a valve seat provided within a valve chamber and a ball disposed within the valve chamber to co-operate with the valve seat and rolling toward the valve...
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4175791 |
Hydraulic brake pressure control apparatus for motor vehicles
An apparatus for controlling hydraulic pressure delivered to brake cylinders for rear wheels of a motor vehicle in dependence on load states and deceleration thereof comprises a first hydraulic...
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4165905 |
Vehicle deceleration responsive pressure modulating valve and vehicle brake system including the same
A vehicle braking system includes a pressure modulating valve interposed in the pressure fluid line between a master cylinder and the rear wheel brake cylinders. The pressure modulating valve...
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4161339 |
Control valve for use in automotive brake system for controlling brake fluid pressure
A control valve for use in an automotive brake system for controlling the brake fluid pressure in rear-wheel cylinders of the type include an inlet chamber communicated with a master cylinder, an...
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4159855 |
Load sensing proportioning valve
A valve for use in vehicle hydraulic brake systems for the purpose of limiting the rear wheel brake pressure relative to the front wheel brake pressure in order to reduce the potential for...
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4157205 |
Inertia-controlled valve unit for vehicle braking systems
In an inertia-controlled valve unit, a tubular stepped spool is assembled within a stepped bore of a differential piston through a coil spring. The piston is inserted together with the spool into a...
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4141596 |
Hydraulic brake control assembly responsive to vehicular deceleration
An improved hydraulic brake control assembly for automotive vehicles having a proportioning valve for regulating the hydraulic pressure applied to the rear wheel brakes from a master brake cylinder...
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4119354 |
Hydraulic brake control assembly
A hydraulic brake control assembly is provided in which a proportioning valve is actuated to reduce fluid pressure to be supplied to rear cylinders from a master cylinder in accordance with the...
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