US Patent: 657,140 - Explosive Gas Engine


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US Patent: 657,140

Explosive Gas Engine

Patentees:

George W. Starr (exact or similar names) - Havana, Mason County, IL

John H. Cogswell (exact or similar names) - Havana, Mason County, IL

USPTO Classifications:

123/162, 123/332, 123/345

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:	Dec. 23, 1899
Granted:	Sep. 04, 1900

Patent Pictures:

USPTO (New site tip)
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Description:

Claim:

In an explosive-gas engine,the induction and exhaust valves and stems thereto, an oscillating angle-lever, a pivoted pawl carried by one arm of the latter and serving as a stop to prevent the exhaust-valve from seating, a tilting lever having free ends, one of which serves to hold the induction-valve seated, and the gasolene-feeding duct closed as the opposite end of said free-ended lever is actuated by an arm of the angle-lever, and the governor-actuated mechanism for raising said pawl independently of the angle-lever as the revolutions of the engine become above normal.