US Patent: 627,219 - Air and Gas Engine


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US Patent: 627,219

Air and Gas Engine

Patentee:

Ellis J. Woolf (exact or similar names) - Minneapolis, Hennepin County, MN

USPTO Classifications:

123/151, 123/188.4, 123/196R, 123/41R, 123/52.1, 123/90.31, 261/40, 60/622

Tool Categories:

propulsion and energy : internal combustion engines : gas and gasoline engines

Assignees:

Woolf Valve Gear Co. - Minneapolis, Hennepin County, MN

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 27, 1897
Granted:	Jun. 20, 1899

Patent Pictures:

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Description:

Claim:

A compound engine comprising a single low-pressure cylinder, a pair of high-pressure o cylinders, with all of said cylinders coupled to a common shaft, a distribution valve or valves, and a single valve-gear, with said valve mechanism so arranged as to cause the two high-pressure cylinders to cooperate alternately with the single low-pressure cylinder, substantially as described.