Brake system pump with a damper chamber with leaf spring and cup

Details Brake system pump with a damper chamber with leaf spring and cup Brake system pump with a damper chamber with leaf spring and cup

1992-02-12

1993-08-03

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303 11, 303901, 267161, 137539, 251337, 417569, F04B 2102, B60T 840, B60K 2816

Patent

active

052322734

ABSTRACT:
The object is to shorten the installation length of the pump. The high-pressure pump has a pump housing with a bore, in which a pump element having a cylinder, a piston longitudinally movable therein and an outlet valve is received. The cylinder is screwed into the bore and axially fixed at a bore step. The outlet valve has a ball, received in a hollow-cylindrical extension of the cylinder and loaded on its end remote from the valve seat by a leaf spring secured to the cylinder. The hydraulic high-pressure pump is usable in particular in motor vehicle brake systems having an anti-lock and possibly traction control system.

REFERENCES:
patent: 2401856 (1946-06-01), Brock
patent: 3483888 (1969-12-01), Wurzel
patent: 4988147 (1991-01-01), Zirps
patent: 5123819 (1992-06-01), Schuller et al.

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