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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hayashida; Yoshihiro
Address:
Chigasaki, JP
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
4418611 Pneumatic servo booster December 6, 1983
A pneumatic servo booster including a shell housing having front and rear shells, a valve body incorporating therein, a valve mechanism slidably supported by the rear shell, a partitioning member cooperating with the valve body for partitioning the interior of the shell housing into fron
4348866 Master cylinder September 14, 1982
A master cylinder for a vehicular brake includes a cylinder closed at one end and open at the other end, a sleeve slidably received within the cylinder, a piston assembly including a pair of pistons integrally connected together, a stop on the cylinder for confining the piston assemb
4301440 Level detecting device November 17, 1981
The level detecting device comprises a detector inserted in a reservoir to detect the level of oil liquid, lead wires leading signal from the detector, and a terminal connected to the lead wires. The terminal is fixed to a cap covering an opening of the reservoir and the cap is remov
4284308 Brake pressure control valve August 18, 1981
A brake pressure control valve controls the hydraulic pressure supplied to rear wheel brakes in two independent circuits of a dual hydraulic braking system of a vehicle. The valve includes two valve bodies slidably received in a bore of a housing and movable toward one another upon recei
4283993 Servo booster August 18, 1981
A servo booster including a piston plate for receiving a differential pressure produced across two chambers which are defined in a shell casing, a cylindrical valve body having a valve mechanism therein for controlling the pressure across the two chambers, an aperture and a head portion
4259893 Fluid pressure operated servomotor April 7, 1981
A fluid pressure operated servomotor such as a vacuum booster including a power piston having a differential pressure acting thereacross, an input rod for actuating a valve mechanism mounted in the power piston, a reaction lever disposed between the power piston and an output rod for
4219243 Hydraulic braking pressure control valve August 26, 1980
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 first piston having therethrough a liquid passage which normally connects the first inlet and
4162616 Hydraulic master cylinder July 31, 1979
An improved hydraulic master cylinder for use in a vehicle braking system wherein the housing of the master cylinder is formed of a material such as synthetic resin, aluminum alloy or the like and a cylindrical liner formed of corrosion-resistant and wear-proof metal is mounted in the ho
4148190 Master cylinder April 10, 1979
A master cylinder including a housing, a cylinder defined in the housing, a piston slidably fitted in the cylinder, a spring urging the piston toward an open end of the cylinder, a push rod for actuating the piston against the force of the spring to compress hydraulic fluid in the cylind
4147091 Fluid pressure servomotor April 3, 1979
A fluid pressure servomotor has a casing having a movable wall therein dividing the interior of the casing into two chambers, a valve body connected to the movable wall and receiving a valve mechanism communicating one of the chambers selectively with the other chamber or with a sour
4116493 Brake pressure control valve September 26, 1978
A brake pressure control valve including an inertia member being movable in response to the inertia force acting on the member, particularly when the rate of deceleration caused by braking action exceeds a predetermined amount, so as to close a fluid passage for controlling braking press










 
 
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