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US Patent: 1,630,799
Compressor
Patentee:
Donald Graham Murray (exact or similar names) - Grove City, Mercer County, PA

USPTO Classifications:
137/340, 137/512, 137/535

Tool Categories:
industrial machines : pneumatic : air compressors

Assignees:
Bessemer Gas Engine Co. - Grove City, Mercer County, PA

Manufacturer:
Cooper-Bessemer Co. - Grove City, Mercer County, PA

Witnesses:
none listed

Patent Dates:
Applied: Jun. 08, 1925
Granted: May 31, 1927

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cooper-Bessemer Co.
Description:
Abstract:

The invention is particularly directed to the valve construction of compressors. According to the present invention leaf valves are used and are of a type and construction that particularly adapt them for use at the ends of the cylinders giving a very small clearance and a very efficient closure.

Claim:

In a compressor,-the combination of a cylinder; a valve plate on the cylinder having an exhaust port and an inlet passage therethrough; a head on the plate having an inlet port and an outlet passage therethrough; inlet: and exhaust straight-sided leaf valves controlling the ports; coil springs pocketed in the head acting on the exhaust valve; and coil springs extending through the plate and pocketed in the cylinder acting on the inlet valve.

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