Radial piston pump
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United States of America Patent
Stats
-
Sep 16, 1980
Grant Date -
N/A
app pub date -
Apr 5, 1978
filing date -
Apr 16, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radial piston pump has a housing, a shaft mounted for rotation in the housing and including an eccentric provided with a cam track, inlet and outlet ports in the housing, valve means installed in the ports, a plurality of radially reciprocable pistons spaced about the eccentric and each having a radially inner surface in sliding engagement with the cam track, and a layer of synthetic plastic material having a low coefficient of friction on each of the surfaces, so as to reduce friction between the same and the cam track.
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