Variable temperature sensor

Details Variable temperature sensor Variable temperature sensor

1975-06-03

1977-04-26

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Ambient temperature

733628, 338 22R, 338 25, H01C 704

Patent

active

040204430

ABSTRACT:
A variable temperature sensor for detecting and/or controlling the temperature of an object is disclosed. The variable temperature sensor comprises a thermallly conductive probe having one end adapted to contact the object the temperature of which is to be sensed, measured and/or controlled and its other end adapted to contact a heat sink so as to create a predetermined temperature profile between the two ends of the thermally conductive probe, and a temperature sensing device having a predetermined temperature sensing point or range contacting the thermally conductive probe at a point which is substantially at the temperature sensing point or within the temperature sensing range of the sensing device. The probe will permit detection and/or control of the temperature of an object which is above the temperature sensing point or range of the temperature sensing device when the heat sink temperature is below the temperature sensing point or range of the sensing device or the temperature of an object which is below the temperature sensing point or range of the sensing device when the heat sink temperature is above the temperature sensing point or range of the sensing device.

REFERENCES:
patent: 3019404 (1962-01-01), Fastenau et al.
patent: 3111844 (1963-11-01), Van Luik, Jr.
patent: 3247714 (1966-04-01), Schwabe et al.
patent: 3537315 (1970-11-01), Ames
patent: 3846776 (1974-11-01), Kahn

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