US Patent: 637,975 - Gas Engine


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US Patent: 637,975

Gas Engine

Patentee:

Emil Rappe (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

123/156, 123/311, 123/41.32, 123/58.1, 123/90.1

Tool Categories:

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

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 01, 1897
Granted:	Nov. 28, 1899

Patent Pictures:

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Description:

Claim:

In a four-cycle gas-engine, two cylinders each provided with an inlet-valve and two exhaust-ports, one of which is located at the limit of the outward stroke of the piston and the other which is located between the latter and the inlet-port, a valve in said last-n amed exhaust-port, and means for controlling said last-named exhaust-port including the piston, a movable member common to the said valves of both cylinders, and fluid-pressure connections actuating said valves and partially actuating said movable member.