US Patent: 655,406 - Electric Sparker for Gasolene-Engines


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US Patent: 655,406

Electric Sparker for Gasolene-Engines

Patentee:

John G. MacPherson (exact or similar names) - Philadelphia, PA

USPTO Classifications:

123/158

Tool Categories:

propulsion and energy : internal combustion engines : ignition systems

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

Assignees:

MacPherson Automobile Co. - Philadelphia, PA

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 22, 1899
Granted:	Aug. 07, 1900

Patent Pictures:

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Description:

Claim:

In combination with a gasolene and gas engine, of a sparker therefor, comprising an insulator mounted in the end of a gas-supply chamber, a cylindrical conductor fitting in said insulator, a circular disk carried upon the inner end of said conductor, a sleeve mounted in the head of the explosion-chamber, a shaft mounted in said sleeve, a spring-arm carried by and at right angles to the inner end of said shaft the free end of said spring-arm extending into the gas-supply chamber, a plate carried by the free end of said arm in position to have its face contact with the edge of the disk upon the conductor, and a spring tending to separate the disk and plate, and a cam for bringing them together provided with means to release the spring to disengage the disk and plate to make a spark.