|
|
Article: Colorado Inventors Develop Fluid Metering Valve
- Article from:
- US Fed News Service, Including US State News
- Article date:
- February 26, 2007
CopyrightCopyright © HT Media Ltd. All Rights Reserved. Provided by ProQuest LLC. (Hide copyright information)
|
ALEXANDRIA, Va., Feb. 26 -- Barry T. Brinks, Dana Nova Joyce Wolverton, and Gary F. McDaniel, all from Fort Collins, Colo., and Delbert Dwight Cannon of Greeley, Colo., have developed gear mechanisms and/or shutoff mechanisms for fluid metering valves.
According to the U.S. Patent & Trademark Office: "A fluid metering valve includes a gear rack which is slidable on a valve stem in which a spring counteracts the force of an actuator to maintain a constant load on the gear mechanism to prevent backlash."
An abstract of the invention, released by the Patent Office, said: "Corresponding stop mechanisms between the gear and the shaft of a rotary actuator come into engagement with each other ...