Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1981-08-28
1984-01-17
Herrmann, Allan D.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74665G, 74665GD, 74501R, 464179, 251294, 137595, F16H 3706, F16C 110, F16K 3100
Patent
active
044258232
ABSTRACT:
One or more remotely disposed valves may be opened or closed by a control handwheel by means of rotatable flexible shafting and mechanism associated therewith which may reduce the torque required to rotate the hand wheel and permitting much lighter weight and less costly flexible shafting to be employed. The associated mechanism comprises pulley-belt arrangements and/or gearing structures at each valve to be opened or closed as well as an optional pulley-belt arrangement cooperating with the handwheel. A torque limiting clutch device may readily be incorporated into the system for providing necessary slippage to the valve stems in the event one or more of the remotely disposed valves reaches the end of its travel prior to the remaining valves in the system.
REFERENCES:
patent: 1460096 (1923-06-01), Davis
patent: 2114212 (1938-04-01), Christiansen
patent: 2368457 (1945-01-01), Eisenbeis
patent: 3481156 (1969-12-01), de Csipkes
patent: 4184576 (1980-01-01), Kulischenko et al.
patent: 4185474 (1980-01-01), Kulischenko
Capdevielle Martin J.
Kulischenko Walter
Herrmann Allan D.
Penwalt Corporation
Wojciechowski Bruce F.
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