Pumps – Motor driven – Electric or magnetic motor
Patent
1977-01-04
1979-07-31
Croyle, Carlton H.
Pumps
Motor driven
Electric or magnetic motor
310 25, F04B 4300
Patent
active
041628764
ABSTRACT:
A diaphragm pump having a diaphragm which is movable to and fro by an oscillating arm which is in turn driven by an electromagnet has its oscillating arm so mounted that it oscillates in a plane which is perpendicular to the principal lines of force of the magnetic field produced by the electromagnet and parallel to pole faces of the electromagnet. Preferably the electromagnet has a core which is substantially E-shaped with the ends of the arms of the E forming the pole faces and the oscillating arm oscillates in a plane perpendicular to the plane of the E. The oscillating arm is preferably mounted by means of a leaf spring to enable it to oscillate and the leaf spring is fixed to a bearing block projecting from a base plate which also carries the electromagnet.
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patent: 3825374 (1974-07-01), Kondo
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Croyle Carlton H.
Look Edward
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