Pumps – Expansible chamber type – Including valve assembly – disassembly – or inspection...
Patent
1975-07-25
1976-11-02
Freeh, William L.
Pumps
Expansible chamber type
Including valve assembly, disassembly, or inspection...
417568, F04B 3910, F04B 3914
Patent
active
039894193
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: 1029025 (1912-06-01), Murray
patent: 2304991 (1942-12-01), Foster
McGill Kenneth Harmon
Parker Curtis Jess
Caddell Michael J.
Dresser Industries Inc.
Freeh William L.
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