Pumps – Motor driven – Electric or magnetic motor
Patent
1992-01-29
1993-06-29
Bertsch, Richard A.
Pumps
Motor driven
Electric or magnetic motor
417366, F04B 1704
Patent
active
052228789
ABSTRACT:
An electromagnetic reciprocating pump comprising of a closed-type casing provided with a cylinder in front thereof, a main shaft as least the front end of which is fixed to the casing, a piston having a piston head in front thereof, which piston is slidably fitted over the outer periphery of the main shaft to reciprocate, and coaxially supporting an armature, a spring disposed between the piston and the casing for biasing the piston in one direction, an electromagnet fixed to the casing so as to attract the armature in the opposite direction against the biasing force of the spring, suction ports and suction valves for sucking a fluid into a pressure chamber defined by the cylinder and the piston head, and a discharge port and a discharge valve for discharging the pressurized fluid from the pressure chamber.
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Mikiya Toshio
Mori Tamotsu
Osada Toshio
Tanabe Masa-aki
Bertsch Richard A.
Korytnyk Peter
Nitto Kohki Co. Ltd.
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