Integrated pressure generating and control device

Details Integrated pressure generating and control device Integrated pressure generating and control device

1992-04-10

1994-01-25

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

417471, B60T 1300, G05D 1620

Patent

active

052810135

ABSTRACT:
The invention relates to a hydraulic device for braking the wheels of a vehicle, especially for wheel anti-lock and/or anti-slip functions, comprising, between a chamber of a master cylinder and at least one brake motor, a plurality of solenoid valves (36) and a hydraulic pump driven by an electric motor including a rotor (10) arranged between two bearings (12, 14) and enclosed in a cylindrical sleeve (20) made of metallic material, the rotor driving in rotation an eccentric cam (24) imparting an alternating translational movement to radial pistons (26), the delivery outlet of the pump being connected to the solenoid valves (36) via hydraulic slides by way of fluid circulation channels (32, 34). According to the invention, the sleeve (20), in which the rotor is accommodated, is enclosed in a housing (30) made of non-magnetic material. The fluid circulation channels (32, 34) and the solenoid valves (36) extend in the housing.

REFERENCES:
patent: 3799704 (1974-03-01), Kuck
patent: 4177021 (1979-12-01), Niedermeyer
patent: 4568131 (1986-02-01), Blomberg et al.
patent: 4676454 (1987-06-01), Zompolas et al.
patent: 4690465 (1987-09-01), Takeda et al.
patent: 4953918 (1990-09-01), Hashida et al.
patent: 5022717 (1991-06-01), Heibel et al.
patent: 5035469 (1991-07-01), Geilen et al.
patent: 5040853 (1991-08-01), Burgdorf et al.

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