Pump and motor interposed rubber sealing gasket having plural gu

Pumps – Motor driven – Including means for facilitating assembly or disassembly of...

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277 11, 277189, F04B 5322, F16J 1502

Patent

active

055315739

ABSTRACT:
A brake fluid pressure controller including a hydraulic unit having a housing and a pump mounted in the housing, and a motor for the pump having an end cover and an output shaft received in a hole formed in the housing. The motor is coupled to the housing by means of a plurality of bolts extending through the end cover of the motor and threaded into the housing. A seal member is sandwiched between opposing surfaces of the motor and the housing to seal the space around the output shaft and the space around each bolt. The seal member is in the form of a rubber packing including a large-diameter annular seal portion surrounding the output shaft and small-diameter annular seal portions integrally formed along the outer edge of the large-diameter annular seal portion.

REFERENCES:
patent: 2633804 (1953-04-01), Bruce
patent: 3545892 (1970-12-01), Zimmermann
patent: 4101138 (1978-07-01), Gaggiano
patent: 4436310 (1984-03-01), Sawabe et al.

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