Motor pump

Details Motor pump Motor pump

1977-06-01

1980-01-01

Croyle, Carlton R.

Pumps

Motor driven

Axial thrust balancing means for rotary pump and motor

417366, 417540, F04B 1700

Patent

active

041814738

ABSTRACT:
A motor pump comprises a DC motor unit, a pump unit and a cover housing for the motor and pump unit; the motor unit includes a cup-shaped yoke with the bottom having a bearing and a bearing holder fitted into an opening in the cup-shaped yoke to thereby hold an armature shaft of the motor unit in position with respect to the yoke; a compressible silencer is also installed in the cup-shaped yoke adjacent permanent magnets, an armature surface and the yoke.

REFERENCES:
patent: 2472067 (1949-06-01), Dickey et al.
patent: 3192864 (1965-07-01), Notte
patent: 3754844 (1973-08-01), Nusser et al.
patent: 3836291 (1974-09-01), Bottcher et al.
patent: 3870910 (1975-03-01), Fussner
patent: 3897179 (1975-07-01), Fussner

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