Fluid pressure controlling solenoid valve

Details Fluid pressure controlling solenoid valve Fluid pressure controlling solenoid valve

1986-09-19

1987-07-14

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91 31, 91444, 251117, 303119, F15B 13044

Patent

active

046795898

ABSTRACT:
A fluid pressure controlling solenoid valve is disclosed for producing an oil pressure which drives a brake pressure controlling piston in a manner such that an brake oil pressure applied to the brakes associated with wheels in response to the depression of a brake pedal is adjusted to a low value in order to prevent a high slip ratio of wheels with respect to a road surface and to a high value when the slip ratio is reduced. A switching solenoid valve is assembled on the upper end face of an intermediate member formed of a magnetic material and having a first fluid path extending therethrough from its upper to its lower end face for selectively connecting the first fluid path with a reduced pressure input port and a high pressure input port. A switching solenoid valve which opens or closes the connection between the first fluid path and the output port is assembled on the lower end face of the intermediate member. The solenoid valve has an orifice of a reduced diameter which maintains a communication between the first fluid path and the output port.

REFERENCES:
patent: 3565111 (1971-02-01), Pearson
patent: 4337794 (1982-07-01), Yamanaka et al.
patent: 4561701 (1985-12-01), Fujii et al.

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