US Patent: 653,971
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Gasolene Engine
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Patentee:
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Frank J. Sproehnle (exact or similar names) - Philadelphia, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 21, 1899 |
Granted: |
Jul. 17, 1900 |
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Joel Havens
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Description: |
Claim:
In a gas-engine, a cylinder, an air and gas inlet and exhaust valve controlling a port communicating with said cylinder and with an air and fuel supply, an inlet-valve controlling said fuel-supply and adapted to activate said air and gas inlet and exhaust. valve, and means for operating said inlet-valve. |
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