Pumps – Expansible chamber type – Including valve assembly – disassembly – or inspection...
Patent
1978-03-23
1980-01-22
Freeh, William L.
Pumps
Expansible chamber type
Including valve assembly, disassembly, or inspection...
417568, 1374544, F04B 3914
Patent
active
041848144
ABSTRACT:
A poppet valve guide mechanism for use in pumps such as piston type pumps, utilizes a valve guide collar secured to a crossbar support and retained by a locking bar transverse thereto.
REFERENCES:
patent: 666089 (1901-01-01), Dillon
patent: 1595459 (1926-08-01), Durant
patent: 1602372 (1926-10-01), Bullon
patent: 1770683 (1930-07-01), Davis
patent: 2233649 (1941-03-01), Stahl
patent: 2304991 (1942-12-01), Foster
patent: 2949928 (1960-08-01), Hobson
patent: 3430575 (1969-03-01), Roth
patent: 3474808 (1969-10-01), Elliott
McGill Kenneth H.
Parker Curtis J.
Byron Richard M.
Dresser Industries Inc.
Freeh William L.
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