Pumps – Expansible chamber type – Including valve assembly – disassembly – or inspection...
Patent
1981-01-21
1983-11-01
Hershkovitz, Abraham
Pumps
Expansible chamber type
Including valve assembly, disassembly, or inspection...
1374544, 1374546, 1375122, 1375123, 13751629, 417571, F04B 2100
Patent
active
044127928
ABSTRACT:
A high pressure check valve for an intensifier cylinder and secured in the end of the cylinder so as to reduce the stress on the check valve due to cyclic loading.
REFERENCES:
patent: 1659817 (1928-02-01), Halvorsen
patent: 2206356 (1940-07-01), Hutchings
patent: 3309014 (1967-03-01), Bauer
patent: 3346008 (1967-10-01), Scaramucci
patent: 3447836 (1969-06-01), Doerfler
patent: 3532014 (1970-10-01), Franz
patent: 3746483 (1973-07-01), Hindel
patent: 3749122 (1973-07-01), Gold
patent: 3846049 (1974-11-01), Douglas
patent: 4159755 (1979-07-01), Kang
Jendrzejek Gary S.
LaBorde Russell G.
Hershkovitz Abraham
The Oilgear Company
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