US Patent: 656,823 - Air or Gas Engine


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US Patent: 656,823

Air or Gas Engine

Patentee:

Robert H. Little (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

60/409

Tool Categories:

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

propulsion and energy : air motors and turbines

Assignees:

Robert H. Little - Chicago, Cook County, IL

Simon W. Straus - Chicago, Cook County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 09, 1899
Granted:	Aug. 28, 1900

Patent Pictures:

USPTO (New site tip)
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Description:

Claim:

An apparatus of the character described, comprising the combination of two compartments for holding fluid under pressure, a. chamber also for holding fluid under pressure intermediate said compartments and provided with ports opening directly into the latter, channels for the admission and exhaust of air or gas under pressure to and from each of said compartments, to force the liquid therein back and forth between said compartments and said intermediate chamber, a pressure-motor in said intermediate chamber to receive the force of the liquid as it is expelled from either of said compartments through said intermediate chamber and into the other of said compartments, suitable valve mechanism for controlling admission or exhaust of air or gas to and from each of said compartments, and valves for the ports between said compartments and said intermediate chamber for controlling the flow of liquid between said compartments and chamber.