US Patent: 363,368
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| Double Reciprocating Square Engine
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Patentee:
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| William F. Dake (exact or similar names) - Grand Haven, Ottawa County, MI |
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Patent Dates:
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| Granted: |
May 24, 1887 |
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Patent Pictures:
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Joel Havens
Square-Piston Steam Engines
"Vintage Machinery" entry for Dake Corp.
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Description: |
| This engine was improved with Patent #395,039.
Abstract:
My invention relates to that class of engines having two rectangular pistons adapted to work in a case, said pistons acting together conjointly for the purpose of producing a revolution of the main shaft, the construction being such that the pistons themselves act as valves in operating the engine.
Claim:
In a double-acting square-piston engine, the combination of an outer shell adapted to enclose two pistons, a piston adapted to have a reciprocating motion within the shell, and an inner piston having a reciprocating motion within the outer piston, said piston moving at right angles to the motion of the outer piston, and said pistons serving as valves. |
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