Fluid handling – Convertible – Units interchangeable between alternate locations
Patent
1998-01-26
1999-11-23
Hepperle, Stephen M.
Fluid handling
Convertible
Units interchangeable between alternate locations
137505, 13750541, 251337, G05D 1606
Patent
active
059882042
ABSTRACT:
An adjustable fluid flow regulator that can be adjusted for operating at two different operating pressures includes a casing having a chamber therein, an inlet and an outlet communicating with the chamber, and a valve for controlling fluid flow between the inlet and the outlet. A flexible diaphragm in the casing is connected to the valve for operating the valve in response to pressure changes in the chamber. The fluid flow regulator further includes a spring, a removable hollow cap aligned with the spring, and a link adapted to fit in the cap. The link, when installed in the cap, engages the spring to cause the spring to apply a biasing force against the diaphragm that is higher than when the link is not in the cap. According to the method of this invention, the adjustable fluid flow regulator is adjusted for use at two different operating pressures by installing or removing the link from the hollow, removable cap.
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Buescher Thomas P.
Koopman Wayne A.
Reinhardt Paul E.
Reitz Timothy E.
Emerson Electric Co.
Hepperle Stephen M.
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