Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1987-12-14
1989-07-18
Levy, Stewart J.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
137558, G01M 1900
Patent
active
048481335
ABSTRACT:
A valving apparatus for selectively supplying fluid to a number of fluid handling components (45) and (50) from a plurality of sources thereof (15) and (30) includes a manifold (135), first and second remotely operated control valves (165) and a plurality of check valves (170) disposed therein. The control valves selectively channel fluid to the components while checking reverse flow through the manifold. The apparatus is compact, uncomplicated and adaptable to various applications.
REFERENCES:
patent: 2330845 (1943-10-01), Samiran
patent: 3640117 (1972-02-01), Stilling
patent: 3830090 (1974-08-01), Hersch et al.
Chapkovich, III John S.
Paulis George J.
Levy Stewart J.
Raevis Robert R.
United Technologies Corporation
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