Resistance thermal unit for thermal electric energy demand meter

Details Resistance thermal unit for thermal electric energy demand meter Resistance thermal unit for thermal electric energy demand meter

1982-01-25

1984-02-14

Truhe, J. V.

Electricity: motive power systems

Nonmagnetic motor

Thermoelectric motor

310307, 60527, H02N 1000

Patent

active

044319517

ABSTRACT:
A resistance thermal unit for a thermal electric energy demand meter responsive to a variable electric quantity characterized by a dielectric housing having a pair of opposed chambers for accommodating a pair of thermal responsive bimetallic spiral springs wound on a common shaft, the springs being effective when heated to rotate the shaft in opposite directions, heating means including a heating element for each spring which element includes a flattened heat resistant dielectric core and an electric-resistant wire spirally wound on the core which wire is connected to spaced load terminals, and the assembly being disposed in a clearance space around each corresponding spring.

REFERENCES:
patent: 2323738 (1943-07-01), Vassar
patent: 2654010 (1953-09-01), Hughes
patent: 2980779 (1961-04-01), Hickle et al.
patent: 3446998 (1969-05-01), Webb

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