Temperature-dependent liquid metal flowrate control device

Details Temperature-dependent liquid metal flowrate control device Temperature-dependent liquid metal flowrate control device

1977-09-07

1978-11-14

Croyle, Carlton R.

Automatic temperature and humidity regulation

Thermostatic

In fluid controlled

236 88, G05D 2326

Patent

active

041252217

ABSTRACT:
A temperature-dependent liquid metal flowrate control device includes a magnet and a ferromagnetic member defining therebetween a flow path for liquid metal, the ferromagnetic member being formed of a material having a curie temperature at which a change in the flow rate of the liquid metal is desired. According to the preferred embodiment the magnet is a cylindrical rod magnet axially disposed within a cylindrical member formed of a curie material and having iron pole pieces at the ends. A cylindrical iron shunt and a thin wall stainless steel barrier are disposed in the annulus between magnet and curie material. Below the curie temperature flow between steel barrier and curie material is impeded and above the curie temperature flow impedance is reduced.

REFERENCES:
patent: 2513779 (1950-07-01), Bailey
patent: 2601579 (1952-06-01), Witmann
patent: 2977090 (1961-03-01), McCarty et al.
patent: 3513881 (1970-05-01), Kinsell

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