skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Torque limited drive for manual valves

Abstract

The present invention is directed to a torque-limiting handwheel device for preventing manual valves from being damaged due to the application of excessive torque during the opening or closing operation of the valves. Torque can only be applied when ridges in the handwheel assembly engage in channels machined in the face of the baseplate. The amount of torque required for disengagement of the ridges from the channels is determined by the force exerted by various Bellville springs and the inclination of the side faces of the channels.

Inventors:
 [1];  [2]
  1. (Metropolis, IL)
  2. (Paducah, KY)
Issue Date:
Research Org.:
LOCKHEED MARTIN ENRGY SYST INC
OSTI Identifier:
875233
Patent Number(s):
H636
Assignee:
United States of America as represented by United States (Washington, DC) ORNL
DOE Contract Number:  
AC05-84OR21400
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
torque; limited; drive; manual; valves; directed; torque-limiting; handwheel; device; preventing; damaged; due; application; excessive; closing; operation; applied; ridges; assembly; engage; channels; machined; baseplate; amount; required; disengagement; determined; force; exerted; various; bellville; springs; inclination; wheel assembly; force exerted; closing operation; manual valves; /251/464/

Citation Formats

Elliott, Philip G., and Underwood, Daniel E. Torque limited drive for manual valves. United States: N. p., 1989. Web.
Elliott, Philip G., & Underwood, Daniel E. Torque limited drive for manual valves. United States.
Elliott, Philip G., and Underwood, Daniel E. Sun . "Torque limited drive for manual valves". United States. https://www.osti.gov/servlets/purl/875233.
@article{osti_875233,
title = {Torque limited drive for manual valves},
author = {Elliott, Philip G. and Underwood, Daniel E.},
abstractNote = {The present invention is directed to a torque-limiting handwheel device for preventing manual valves from being damaged due to the application of excessive torque during the opening or closing operation of the valves. Torque can only be applied when ridges in the handwheel assembly engage in channels machined in the face of the baseplate. The amount of torque required for disengagement of the ridges from the channels is determined by the force exerted by various Bellville springs and the inclination of the side faces of the channels.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1989},
month = {1}
}

Patent:

Save / Share: