US Patent: 101,617
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| Compound Engine
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Patentee:
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| William M. Henderson (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 05, 1870 |
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Joel Havens
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Description: |
| Abstract:
The principal object to be attained is the employment of Woolf's principle of high and low pressure or compound steam-cylinders, in which high-pressure steam, after acting upon the piston of a cylinder of small diameter, is transferred to another of large dimensions, there to exert its remaining useful force by expansion.
Claim:
In a compound engine as described, where the opposite faces of each piston present an unequal area, the arrangement of the, cushion passages 0 0' and eduction-ports J J', or their equivalents, in combination with the piston-heads E B', in such manner that each piston will he cushioned at the ends of its stroke by the same motive power which drives them, passing directly from the lesser area of the piston to the greater, by special ports or passages. |
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