Fluid handling – With heating or cooling of the system – With electric heating element
Patent
1994-05-17
1996-07-02
Chambers, A. Michael
Fluid handling
With heating or cooling of the system
With electric heating element
137565, 137 13, F16K 4900
Patent
active
055312454
ABSTRACT:
A high temperature heated valve for regulating the flow of molten metal. To maintain the molten metal in its molten state, the valve includes a heater fixedly secured to the valve housing and inserted to a selected heating location at least partially in the flow path of the molten metal. The heater element preferably includes an elongated cartridge assembly extending to a location inside of the valve housing to be proximate to the stopper member when the valve is closed. Preferably, an end portion of the cartridge will extend into a bore defined in the stopper member when the valve is closed. The valve may be incorporated into a molten metal circulation apparatus for facilitating the casting of metal articles.
REFERENCES:
patent: 3726305 (1973-04-01), Erickson et al.
patent: 4110602 (1978-08-01), McDade
patent: 4715400 (1987-12-01), Gardner et al.
patent: 5413139 (1995-05-01), Kusumoto et al.
A prior art flyer identified as "Form VP6" and entitled Electrically Heated Pipes and Valves, published by the Sta-Warm Electric Co., Inc., North Chestnut Street, Ravenna, Ohio 44266 1993.
A prior art bulletin identified as "Bulletin SW-10B" and entitled Controlled Electric Heat, published by the Sta-Warm Electric Co., Inc., North Chestnut Street, Ravenna, Ohio 44266 1993.
A prior art bulletin entitled "D-7": MPS Low-Volume Cast Iron Pump for Zinc Alloy, Lead, and Magnesium 1993.
A bulletin identified as "Product Bulletin 85-5" and entitled Metaullics: Pumping Molten Zinc and Zinc Alloys, published by Metaullics Systems, 31935 Aurora Road, Solon, Ohio 44139, dated May 1985 1993.
Chambers A. Michael
Reliance Electric Industrial Company
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