Radial piston pump
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United States of America Patent
Stats
-
Jan 12, 1982
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 bounding a suction chamber therein and provided with a plurality of pressure ports spaced from one another in circumferential direction of this housing, and with at least one suction port. A plurality of valve units spaced from one another in the circumferential direction of this housing are provided, each of which includes a pressure valve element located in a respective one of the pressure ports and a sleeve member mounted in the same pressure port radially outwardly of the pressure valve element so as to form, together with the latter, a pressure chamber inwardly of and communicating with the pressure port. A plurality of circumferentially extending channels are formed in this housing and intersect the respective pressure chambers.
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