Electromagnetically-operated fixed displacement pump

Details Electromagnetically-operated fixed displacement pump Electromagnetically-operated fixed displacement pump

1979-03-30

1981-06-09

Smith, Leonard E.

Pumps

Motor driven

Electric or magnetic motor

92 8, 92160, 310317, F04B 1704

Patent

active

042722250

ABSTRACT:
In an electromagnetically-operated fixed displacement pump, a lubricating oil storage tank and a communicating hole with one end opening upon the bottom of the tank are formed in a pump body, the other end of the hole in the pump body communicating with one end of another communicating hole extending through a movable armature in the axial direction thereof, the other end of the communicating hole in the armature opening into an electromagnetic gap between a fixed armature and the movable armature.

REFERENCES:
patent: 1772104 (1930-08-01), Marien
patent: 1888250 (1932-11-01), Tice
patent: 2721024 (1955-10-01), Zeh
patent: 2935663 (1960-05-01), Pollak
patent: 3045606 (1962-07-01), Schmidt
patent: 3877841 (1975-04-01), Nakamura
patent: 3958902 (1976-05-01), Toyoda et al.
patent: 4021152 (1977-05-01), Toyoda

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