Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1977-07-13
1979-10-16
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
1371165, 13750511, G05D 1606
Patent
active
041710045
ABSTRACT:
This safety device has a delivery outlet and a pressure-relief valve for venting gas from a source of gas when the gas pressure rises above a predetermined maximum. A delivery line supplies gas from the source to a place of use, and there is a delivery line shut-off valve which shuts off flow to the place of use whenever the relief valve opens by a substantial distance from its seat. This prevents piping and hoses communicating with the delivery line from being subjected to excess pressure in the event that pressure rises faster than the relief valve can vent the excess pressure.
REFERENCES:
patent: 90483 (1869-05-01), Bartholomew
patent: 2103299 (1937-12-01), Ravnsbeck
patent: 3547143 (1970-12-01), Mills
patent: 3606904 (1971-09-01), Taylor
patent: 3741182 (1973-06-01), Wade
Cerrato Vincent
Hines James
Calimafde John M.
Hopgood Roy C.
Neill Charles W.
Nilson Robert G.
Vending Components Inc.
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