Expansible chamber devices – With non-sealing cleaning means
Patent
1982-11-18
1984-06-12
Hershkovitz, Abraham
Expansible chamber devices
With non-sealing cleaning means
92 865, 92171, F01B 3100
Patent
active
044534540
ABSTRACT:
In a mud pump liner and piston cleaner a split ring-type tubular reservoir, supplied with fluid under pressure, substantially surrounds the end portion of a liner projecting out of a mud pump cylinder. A plurality of small diameter tubing sections, each communicating at one end with the reservoir, direct streams of fluid, from their other ends, in a washing action toward the inner periphery of the liner.
REFERENCES:
patent: 1599625 (1926-09-01), Whitlock
patent: 1964932 (1934-07-01), Stoesling et al.
Hershkovitz Abraham
Moritz Scott L.
Rhea Robert K.
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