US Patent: 621,110 - Gas or Vapor Engine


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US Patent: 621,110

Gas or Vapor Engine

Patentee:

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

USPTO Classifications:

123/162, 123/198R, 123/363, 123/65R, 123/69V, 123/70V

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:	Jul. 15, 1895
Granted:	Mar. 14, 1899

Patent Pictures:

USPTO (New site tip)
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Description:

Claim:

This Invention relates to improvements In explosive gas or vapor engines, and more particularly to single-acting engines of that class Sin which an explosion or impulse takes place at every forward or power stroke of the piston and in which is employed an air-compression chamber which is in communication with the cylinder and in which air is compressed at each power-stroke of the piston preparatory to its admission to the cylinder behind the piston at the termination of the power-stroke of the latter.