Pumps – Expansible chamber type – Including valve assembly – disassembly – or inspection...
Patent
1987-08-26
1988-05-24
Smith, Leonard E.
Pumps
Expansible chamber type
Including valve assembly, disassembly, or inspection...
417568, F04B 2102
Patent
active
047462787
ABSTRACT:
A displacement pump has a pump chamber connected with an inlet valve chamber and an outlet valve chamber. The chambers are arranged so that a cleaning tool has a direct cleaning path through the inlet valve chamber, its connection to the pump chamber, the connection of the outlet valve to the pump chamber and the outlet valve.
REFERENCES:
patent: 1850083 (1932-03-01), Noltein
patent: 1867585 (1932-07-01), Moore
patent: 2609756 (1952-09-01), Wright et al.
patent: 2733664 (1956-02-01), Saalfrank
patent: 3802807 (1974-04-01), Kilayko
patent: 4097202 (1978-06-01), Price
Smith Leonard E.
Walnoha Leonard P.
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