Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1990-06-15
1992-03-03
Williams, Hezron E.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
73 4R, 73 405R, G01M 308
Patent
active
050921584
ABSTRACT:
Apparatus for testing a diaphragm or piston-type pressure-actuated detector of leaks in a hose, pipe, or other conduit. Fluid at a selected pressure is introduced into a manifold through the leak detector being tested, and the manifold is provided with a plurality of flow restrictors which allow flow at a selected rate at a selected pressure. In this manner, a leak detector which allows flow at a rate higher than a selected pressure can be rejected as not functioning properly. Further, the flow rate through that detector can also be tested at a given pressure. The apparatus is also capable of operating off of pressure developed by a submerged pump for testing the leak detector without removal of the leak detector from the submerged pump.
REFERENCES:
patent: 2952387 (1960-09-01), Fowler et al.
patent: 2952388 (1960-09-01), Deters
patent: 3183723 (1965-05-01), Deters
patent: 3692050 (1972-09-01), Deters
patent: 4901751 (1990-02-01), Story et al.
Engineering Report: Leak Detector, Red Jacket.RTM. Pumps/ A Marley Company (Jan., 1985).
Engineering Report: Test Procedure for Mechanical Leak Detectors, Red Jacket.RTM. Pumps (Nov. 1990).
The Marley Pump Company/Red Jacket Pumps sales brochure, "Red Jacket Diaphram Leak Detector" (Feb., 1987).
The Marley Pump Company/Red Jacket Pumps sales brochure, "Red Jacket PLD" (Feb., 1990).
Vaporless Manufacturing, Inc., sales brochure "LDT-880 Leak Detector Testing System" (date unknown) and Operating Instructions for LDT-880 (Apr. 24, 1989).
Tuma John E.
Williams Barry N.
Miller Craig
Tanknology Corporation International
Williams Hezron E.
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