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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:
Jason F. Williamson
Frank D. Merchant
C. F. Kilgore

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

Patent Pictures: [ 1 | 2 | 3 | 4 ]
USPTO (New site tip)
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Description:
Abstract:

My invention relates to air and gas engines, and has for its object to improve the same with a view of simplicity and compactness of construction, convenience of manipulation, increased efficiency in action, and greater economy in fuel.

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.

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