Temperature probes having a thermally isolated tip
First Claim
Patent Images
1. A temperature probe for measuring the temperature of an object, comprising:
- a housing comprising first and second portions comprised of the same material, and a bore including a first section extending through the first portion and a second section extending through the second portion, the second portion of the housing comprising a first end adjacent the first portion, a second end, a wall including an outer surface and an inner surface defining the second section, and at least one opening extending through the wall;
a tip mounted to the second end of the second portion, with the tip adapted to contact a surface of the object whose temperature is to be measured; and
a sensor located in the bore and adapted to measure a temperature of the tip;
wherein the second portion has a thermal resistance effective to thermally isolate the tip from the first portion.
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Abstract
Temperature probes for measuring the temperature of objects are disclosed. The temperature probes include a housing and a tip in thermal contact with an end of the housing. The tip is adapted to contact a surface of the object whose temperature is to be measured by the temperature probe. A portion of the housing in contact with the tip has a high thermal resistance effective to thermally isolate the tip from an adjacent portion of the housing. A sensor is located inside of the housing and adapted to measure the temperature of the tip.
370 Citations
20 Claims
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1. A temperature probe for measuring the temperature of an object, comprising:
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a housing comprising first and second portions comprised of the same material, and a bore including a first section extending through the first portion and a second section extending through the second portion, the second portion of the housing comprising a first end adjacent the first portion, a second end, a wall including an outer surface and an inner surface defining the second section, and at least one opening extending through the wall; a tip mounted to the second end of the second portion, with the tip adapted to contact a surface of the object whose temperature is to be measured; and a sensor located in the bore and adapted to measure a temperature of the tip; wherein the second portion has a thermal resistance effective to thermally isolate the tip from the first portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A temperature probe for measuring the temperature of an object, comprising:
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a housing comprising a first portion, a second portion, and a bore including a first section extending through the first portion and a second section extending through the second portion, the entire housing being comprised of the same material, the first section of the bore having a larger diameter than the second section, the second portion of the housing comprising a first end adjacent the first portion, a second end, a wall including an outer surface and an inner surface defining the second section, and at least one opening extending through the wall and configured such that heat is conducted between the first and second ends of the second portion in a turning pattern having a length exceeding the length of the second portion; a tip mounted to the second end of the second portion, the tip adapted to contact a surface of the object whose temperature is to be measured; and a sensor located in the bore and adapted to measure a temperature of the tip; wherein the second portion (i) has a thermal resistance effective to thermally isolate the tip from the first portion and (ii) resiliently biases the tip. - View Dependent Claims (16, 17, 18, 19)
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20. A temperature probe for measuring the temperature of an object, comprising:
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a one-piece housing comprising first and second portions and a longitudinal bore extending through the first portion and the second portion, the second portion of the housing comprising a first end adjacent the first portion, a second end, a wall including an outer surface and an inner surface defining a portion of the longitudinal bore, and at least one opening extending through the wall and configured such that heat is conducted between the first and second ends of the second portion in a turning pattern having a length exceeding the length of the second portion; a tip mounted to the second end of the second portion, with the tip adapted to contact a surface of the object whose temperature is to be measured, wherein the second portion is effective to resiliently bias the tip against the surface; and a sensor located in the bore and adapted to measure a temperature of the tip.
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Specification