US Patent: 663,475 - Gas Engine


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US Patent: 663,475

Gas Engine

Patentee:

Hinsdale Smith (exact or similar names) - Springfield, Hampden County, MA

USPTO Classifications:

123/51A

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:	May 17, 1899
Granted:	Dec. 11, 1900

Patent Pictures:

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Description:

Claim:

n a gas-engine, in combination, the two cylinders, oppositely arranged, and having their outer ends closed, and having pistons therein, the common crankshaft located between the cylinders with which both pistons are connected, the common cylinder-extension conduit, connected with the outer ends of both cylinders, and provided with a single valved admission-inlet, and a separate and independent conduit , also connected to the outer ends of both cylinders, provided in an intermediate part thereof with a single exhaust-port, an exhaust-valve, and an exhaust-valve-operating mechanism.