Positioning device for temperature sensor in freeze drying

Details Positioning device for temperature sensor in freeze drying Positioning device for temperature sensor in freeze drying

1990-01-02

1990-10-30

Yasich, Daniel M.

Thermal measuring and testing

Housing, support, or adjunct

34 5, 34 55, F26B 2110

Patent

active

049664697

ABSTRACT:
A positioning device for a temperature sensor in a flask for freeze drying. The device comprises a generally circular plastic stopper having an opening approximately in its center. The stopper is snap-fittingly secured to the top of the flask. A central, annular tube extends through that opening and into the flask. A thermocouple having a generally circular cross section is coiled around and supported by the annular tube so that it is free and is in the center of the flask. The thermocouple is retractable and extensible to permit the use of the thermocouple in flasks of various lengths.

REFERENCES:
patent: 2647237 (1953-07-01), Herbst
patent: 4163327 (1979-08-01), Thompson et al.
patent: 4344917 (1982-08-01), Schorno
patent: 4619054 (1986-10-01), Sato

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