Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1975-08-08
1976-11-09
Bleutge, Robert L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
134169A, B08B 302, B08B 900
Patent
active
039909093
ABSTRACT:
A blind cavity is thoroughly flushed free of foreign matter by apparatus for pumping hydraulic oil up through a tube of lesser diameter than the access opening to the cavity and returning the exit flow of the contaminated fluid to the pump through a coaxial bore surrounding the tube and of larger diameter than both the access opening and the tube.
REFERENCES:
patent: 1552998 (1925-09-01), Menge
patent: 2240227 (1941-04-01), Saussure
patent: 3003506 (1961-10-01), Wosicki
patent: 3843408 (1974-10-01), Tobin
Bleutge Robert L.
Card, Jr. Harold H.
Edelberg Nathan
Gibson Robert P.
The United States of America
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