Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1975-06-24
1977-02-01
Cline, William R.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
236 48A, 236 74R, 335146, 335208, 137 65, 13762414, 137468, 137609, 137513, G05D 1100
Patent
active
040057267
ABSTRACT:
A hot fluid is directed through a valved conduit inlet. Downstream of the inlet, the conduit divides into a pair of outlets through which the hot fluid flows. The flow through the outlets is controlled by a pair of vertically oriented valves linked together by a V-shaped linkage and weight biased toward the closed position such that when one valve is open the other is closed, and vice versa. The valve actuation means comprises a permanent magnet mounted on the housing in close proximity to each valve; each valve has mounted thereon and exposed to the hot fluid a magnetic material. Thus, when the magnetic material on the open valve is heated above its Curie temperature, the material loses its attraction for the permanent magnet and the weight bias closes that valve and simultaneously moves the other valve close enough to the permanent magnet to be held open thereby. When that valve's magnetic material is heated above the Curie temperature it in turn closes and the other valve opens. Thus, as long as fluid heated to a temperature above the Curie temperature of the magnetic valve material is flowing through the device, continuous oscillation of the valves occurs.
REFERENCES:
patent: 1056518 (1913-03-01), Edland
patent: 1952516 (1934-03-01), Sperry et al.
patent: 2233659 (1941-03-01), Wittmann
patent: 2299155 (1942-10-01), Lange
patent: 2575086 (1951-11-01), Atchison
patent: 2584420 (1952-02-01), Branson
patent: 3910303 (1975-10-01), Rydberg
Cline William R.
Spiegel H. Jay
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