US Patent: 484,069
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| Steam-engine
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Patentee:
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| Max Ulrich (exact or similar names) - Northampton, MA |
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Patent Dates:
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| Applied: |
Mar. 12, 1890 |
| Granted: |
Oct. 11, 1892 |
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Joel Havens
"Vintage Machinery" entry for Hill Machine Works
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Description: |
| "My invention is embodied in an oscillating-cylinder steam-engine, and relates, mainly, to the construction of the valve mechanism and ports by which steam is conveyed to and exhausted from the engine. The engine is double-acting, and the cylinder is pivoted substantially at the middle of its length upon trunnions that support it and receive the thrust or reaction of the steam that impels the piston, and the valve-action depends upon the oscillation of the cylinder, by which port-openings in a valve-piece carried by and oscillating with the cylinder are caused to alternately register with live-steam and exhaust ports in a stationary steam-chest..." |
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