US Patent: 640,675 - Explosive Engine


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 640,675

Explosive Engine

Patentee:

George W. Lewis (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

123/65R, 123/65V, 123/65VB, 123/67, 123/73CC, 123/73V

Tool Categories:

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

Assignees:

J. Thompson & Sons Mfg. Co. - Beloit, Rock County, WI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 22, 1898
Granted:	Jan. 02, 1900

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Description:

Original application filed 09 Apr., 1896. Renewed application filed 22 Sept., 1898.

Claim:

A power-cylinder provided with a main exhaust-port and with an auxiliary exhaust-port located in the side of the cylinder nearer the closed end of the cylinder than the main exhaust-port; said main and auxiliary exhaust-ports being closed by the piston when the latter is at the inward limit of its stroke and being uncovered by the piston in its outward movement, a valve for controlling said auxiliary exhaust-port, and operative connections with the crankshaft of the engine for actuating said valve.