US Patent: 643,002 - Electric Igniter for Explosive Engines


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US Patent: 643,002

Electric Igniter for Explosive Engines

Patentees:

Willis J. Perkins (exact or similar names) - Grand Rapids, Kent County, MI

Carl H. Blomstrom (exact or similar names) - Grand Rapids, Kent County, MI

USPTO Classifications:

123/153, 123/157, 123/164, 123/169R, 123/41.72, 123/556, 123/65V

Tool Categories:

propulsion and energy : internal combustion engines : ignition systems

Assignees:

Willis J. Perkins - Grand Rapids, Kent County, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 09, 1897
Granted:	Feb. 06, 1900

Patent Pictures:

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Description:

Claim:

In a gas-engine, the combination with a cylinder having an inner and an outer wall with a water-space there between, of a movable electrode, a bearing therefor exposed to the water in said space, and means closing the opening into the jacket through which the said bearing passes