US Patent: 627,219
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| Air and Gas 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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| Applied: |
Apr. 27, 1897 |
| Granted: |
Jun. 20, 1899 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Woolf Valve Gear Co.
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Description: |
| Abstract:
My invention relates to air and gas engines, and has for its object to improve the same with a view of simplicity and compactness of construction, convenience of manipulation, increased efficiency in action, and greater economy in fuel.
Claim:
A compound engine comprising a single low-pressure cylinder, a pair of high-pressure o cylinders, with all of said cylinders coupled to a common shaft, a distribution valve or valves, and a single valve-gear, with said valve mechanism so arranged as to cause the two high-pressure cylinders to cooperate alternately with the single low-pressure cylinder. |
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