US Patent: 121,388
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| Compound Engine and Pump
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Patentee:
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| Oscar P. Lewis (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Nov. 28, 1871 |
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Joel Havens
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Description: |
| Abstract:
The nature of my invention consists: First, in an improved method of constructing an engine adapted to be driven by either vapor, air, or water. Second, in three pistons so constructed and arranged with proper chambers, ports, and valves as to perform the double office of an engine and a pump within one and the same cylinder. In constructing pistons, rods, cross-heads, and pitmen, so arranged as to connect three pistons to proper cranks for simultaneously communicating motion for motive power. Fourth, in combining a condensing and cooling-chamber with the cylinder or piston-chamber in such a manner as to cool air, vapors, or fluids pumped or condensed by said pistons without materially affecting the pistons themselves while performing the double office aforesaid.
Claim:
The compound engine and pump, composed substantially of the cylinder A A' with the three pistons and the heads arranged to receive and guide the rods. |
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