Fluid handling – Liquid level responsive or maintaining systems – With second diverse control
Patent
1977-02-03
1979-04-10
Schwadron, Martin P.
Fluid handling
Liquid level responsive or maintaining systems
With second diverse control
137392, 137393, 137805, 137836, 222 56, 2221291, 261140R, 261DIG7, 251 611, 251 614, 251 615, F16k 2118
Patent
active
041483340
ABSTRACT:
A flow regulator is disclosed for controlling liquid flow, for example, from a supply source to a receiving tank according to the liquid level in the tank. Specifically, a fluid interaction device communicating with the receiving tank causes a fluid pressure signal to be developed in response to departure of the liquid in the tank from a predetermined level. A differential pressure responsive valve adjusts liquid flow from the supply source to the receiving tank in response to the fluid pressure signal. Several embodiments and other features including a bypass for enhancing stable flow and a preferred valve structure are disclosed.
A beverage dispensing system incorporating the aforesaid flow regulator is also disclosed. A cold carbonated liquid is continually circulated past dispensers from a pressurized chill tank having a carbon dioxide atmosphere. The flow regulator admits further liquid to the system from a supply source whenever liquid is tapped from the system by the dispensers.
REFERENCES:
patent: 2459527 (1949-01-01), Herbert
patent: 2514463 (1950-07-01), Bayers, Jr.
patent: 2732069 (1956-01-01), Henderson
patent: 3211331 (1965-10-01), Marisie et al.
patent: 3269404 (1966-08-01), Lebow
patent: 3313093 (1967-04-01), Guggenberger et al.
patent: 3335746 (1967-08-01), Lebow
patent: 3561465 (1971-02-01), DEGraaf
Fluid Device Corporation
Schwadron Martin P.
Walton G. L.
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