Temperature sensor probe apparatus and method for improving time

Details Temperature sensor probe apparatus and method for improving time Temperature sensor probe apparatus and method for improving time

Filed on

1989-05-31

Date issued

1991-02-12

Examiner

Shoap, Allan N.

Patent Class

Thermal measuring and testing

SubClass

Temperature measurement

SubSubClass

In spaced noncontact relationship to specimen

Other Related Categories

374208, 374138, 136230, G01K 116, G01K 1302, G01K 118

Type

Patent

Status

active

Patent number

049919768

Description

ABSTRACT:
A temperature sensor probe is provided with a series of flow channels for deflecting a fluid to be sensed as it flows over the surface of the probe. The flow channels reduce the separation of flow from the surface of the probe thereby increasing the convective heat transfer of the probe and improving the time response of the probe. The temperature sensor probe includes a temperature sensing element housed in a probe housing. In channels are formed on the outer surface of the probe housing. In the preferred form of the invention, the housing is cylindrically shaped and the flow channels extend around the entire circumference of the housing in a spiral fashion so as to form a helical shape extending substantially the entire length of the probe housing.

REFERENCES:
patent: 2466175 (1949-04-01), Kretsch et al.
patent: 2971997 (1961-02-01), Carrico
patent: 3000213 (1961-09-01), Eves et al.
patent: 4603026 (1986-07-01), Martin
patent: 4749415 (1988-06-01), Barton
Benson, A. S. "Gallium Arsenide Cryogenic Temperature Probe Makes Possible Rapid Measurements," NASA, MFS-12165 (Dec. 1971).

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