US Patent: 640,711 - Explosive Engine


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US Patent: 640,711

Explosive Engine

Patentee:

John A. Secor (exact or similar names) - New York, NY

USPTO Classifications:

60/622

Tool Categories:

propulsion and energy : internal combustion engines : oil engines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	May 25, 1899
Granted:	Jan. 02, 1900

Patent Pictures:

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Description:

Claim:

The combination with two high-pressure cylinders and their respective pistons placed in, or substantially in, the same plane, of a low-pressure cylinder placed between the two high-pressure cylinders and having a cubic contents substantially equal to twice the aggregate of the cubic contents of said two cylinders, a low-pressure piston placed in the low-pressure cylinder and arranged to have a stroke longer than the stroke of the high-pressure pistons, and a driving crankshaft the cranks whereof are proportioned to the difference between the longer stroke of the low-pressure piston and the shorter strokes of the high-pressure pistons, substantially as herein set forth.