Diaphragm pump with ball bearing drive

Details Diaphragm pump with ball bearing drive Diaphragm pump with ball bearing drive

1981-04-06

1983-08-02

Freeh, William L.

Pumps

Three or more cylinders arranged in parallel, radial, or...

74 60, F04B 118, F16H 2304

Patent

active

043963579

ABSTRACT:
A diaphragm pump comprising a supporting structure, a rotatable input member and first and second bearings mounted on the input member so that the rotation of the input member causes the second bearing to nutate. Each of the bearings have outer races, and the outer race of the first bearing is coupled to the supporting structure by a mounting member of sheet material. A region of the diaphragm forms a portion of a pumping chamber, and a drive member is provided for moving the region of the diaphragm in at least one direction. First and second mounting members couple the outer race of the second bearing to the drive member so that nutation of the second bearing causes the pump to operate.

REFERENCES:
patent: 2797647 (1957-07-01), Floraday
patent: 3199531 (1965-08-01), Cornelius
patent: 4153391 (1979-05-01), Hartley

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