US Patent: 881,214
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| Explosive Compound Engine
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Patentee:
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| Ellis J. Woolf (exact or similar names) - Minneapolis, Hennepin County, MN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 10, 1908 |
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Patent Pictures:
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1 | 2
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Joel Havens
"Vintage Machinery" entry for Woolf Valve Gear Co.
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Description: |
| Abstract:
My invention has for its especial object to provide an improved explosive compound engine of the kind or class wherein the elastic fluid becomes available for coincident expansion of the common volume thereof in the cooperating cylinders, all rendered effective on the cranks.
Claim:
A compound explosive engine having its high pressure piston connected to travel in advance of the cooperating low pressure piston, and a charging chamber subject to compressing action of both of said pistons forcing a charge into the explosion cylinder. |
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