US Patent: 640,890 - Air and Gas Engine


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US Patent: 640,890

Air and Gas Engine

Patentee:

John E. Eisenhuth (exact or similar names) - New York, NY

USPTO Classifications:

123/26, 123/41.56, 60/616, 60/622

Tool Categories:

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

Assignees:

Mamie G. Read - New York, NY

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 14, 1899
Granted:	Jan. 09, 1900

Patent Pictures:

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Description:

Claim:

In an air and gas engine, the combination with high and low pressure cylinders, of an iir-cylinder arranged upon one end of one of the high -pressure cylinders, the piston of which is connected up with the piston of the high-pressure cylinder, an air-compressor mounted upon the end of the other high-pressure cylinder, means for storing the air compressed, and piping for leading the compressed air to the air-cylinder or to the low-pressure cylinder as may be desired, substantially as described.