US Patent: 206,398
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| Slide Valve for Steam Engines
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Patentee:
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| Cassius M. Miller (exact or similar names) - Canton, Stark County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 20, 1878 |
| Granted: |
Jul. 30, 1878 |
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Joel Havens
"Vintage Machinery" entry for C. Aultman & Co.
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Description: |
| Abstract:
My invention relates to that class of valves in which a variable cutoff is effected by means of a slide valve or valves working within the body of the main valve; and it consists in making the internal cutoff valve or valves to fit closely, life pistons, in the passage in which they slide, ands in extending the steam-ports nearly or quite around such passage, so that they can be made very narrow, and the valves caused to cut off the steam almost instantaneously.
Claim:
The main slide-valve, having ports S S' and a substantially-cylindrical passage, C, in combination with piston cut-oft' valves D D, closely fitting the cylindrical passage. |
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