Diaphragm pump with ball bearing drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 2, 1983
Grant Date -
N/A
app pub date -
Apr 6, 1981
filing date -
Apr 6, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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