US Patent: 628,125
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| Gas Engine
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Patentee:
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| William S. Sharpneck (exact or similar names) - Chicago, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 20, 1898 |
| Granted: |
Jul. 04, 1899 |
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Joel Havens
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Description: |
| Claim:
The combination in a gas-engine, of a cylinder having an exploding-chamber at one end and a gas-inlet at the other, and a two-part piston working in a cylinder and having its opposite ends connected by a stem, with a port opener and closer sliding lengthwise of the stem, the cylinder being provided with an exhaust-port near the center of the stroke of the piston, and the latter having a passage through the stem forming a communication between the exhaust and the exploding chamber, substantially as described. |
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