Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1975-04-14
1976-12-21
Cline, William R.
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
137512, 1375123, 137855, F16K 1516, F04B 2102, F04B 3910
Patent
active
039985717
ABSTRACT:
An economical valve assembly for mounting resilient metal leaf valves for the cylinder of a reciprocating compressor. A valve plate with suction and discharge ports has a discharge leaf or flapper valve with a mounting portion secured thereto by a pair of rivets which have elongated body portions that extend inwardly from the valve plate. The suction valve has a mounting portion with apertures through which the projecting portions of the discharge valve fasteners extend. The elongated portions of the fastener bodies are received in holes in the cylinder block, positioning the valve plate and valves on the block. Pressure on the discharge valve is established by the rivets while pressure on the suction valve is established by the valve plate mounting. Sufficient pressure to achieve a satisfactory seal is applied independently to the mounting portion of each of the leaf valves without causing distortion which might result in failure of the valve to seat properly.
REFERENCES:
patent: 870659 (1907-11-01), Ackermann
patent: 2725183 (1955-11-01), Hanson
patent: 2848157 (1958-09-01), Ayling
patent: 3055390 (1962-09-01), Scheldorf
patent: 3112064 (1963-11-01), Ayling
patent: 3509907 (1970-05-01), Gannaway
Cline William R.
Sundstrand Corporation
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