Temperature transducer assembly
First Claim
1. A temperature sensing assembly for determining the temperature of an object in a fluent medium comprising:
- a. a thermally responsive signal producing assembly comprising an electric signal producing element for producing signals whose values depend on the temperature of said signal producing element, and first and second conductors for completing an electric circuit through the element;
b. an elongated sensor housing supporting said electric signal producing element, said housing constructed from electrically insulative material and comprising a thin heat transmitting wall section in heat transfer engagement with said electrical signal producing element and a body for fixing said electric signal producing element in place with respect to said heat transmitting wall section;
c. an insulating jacket coextending with said sensor housing and spaced from said housing to define a channel therebetween;
d. said thin heat transmitting wall section being formed by part of a core member in which said signal producing assembly is supported and said body being formed by a material molded in place over said core member; and
,e. said jacket being continuous with said body and formed by said molded material.
9 Assignments
0 Petitions
Accused Products
Abstract
A temperature sensing assembly for a heat exchanger flow tube comprises a housing having a thin heat transmitting wall section in heat conducting engagement with a flow tube, and a relatively thick, heat insulating structural support wall section; a thermally responsive signal producing assembly comprising an electrical signal producing element in heat transfer relationship with the heat transmitting wall section; a heat transfer element between the housing and heat exchanger flow tube tending to maintain the flow tube and heat insulating wall section temperatures the same; and an insulating jacket surrounding part of the heat transfer element.
75 Citations
9 Claims
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1. A temperature sensing assembly for determining the temperature of an object in a fluent medium comprising:
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a. a thermally responsive signal producing assembly comprising an electric signal producing element for producing signals whose values depend on the temperature of said signal producing element, and first and second conductors for completing an electric circuit through the element; b. an elongated sensor housing supporting said electric signal producing element, said housing constructed from electrically insulative material and comprising a thin heat transmitting wall section in heat transfer engagement with said electrical signal producing element and a body for fixing said electric signal producing element in place with respect to said heat transmitting wall section; c. an insulating jacket coextending with said sensor housing and spaced from said housing to define a channel therebetween; d. said thin heat transmitting wall section being formed by part of a core member in which said signal producing assembly is supported and said body being formed by a material molded in place over said core member; and
,e. said jacket being continuous with said body and formed by said molded material.
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2. A temperature sensing assembly for determining the temperature of an object in a fluent medium comprising:
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a. a thermally responsive signal producing assembly comprising an electric signal producing element for producing signals whose values depend on the temperature of said signal producing element, and first and second conductors for completing an electric circuit through the element; b. an elongated sensor housing supporting said electric signal producing element, said housing constructed from electrically insulative material and comprising a thin heat transmitting wall section in heat transfer engagement with said electrical signal producing element and a body for fixing said electric signal producing element in place with respect to said heat transmitting wall section; and
,c. an insulating jacket coextending with said sensor housing and spaced from said housing to define a channel therebetween; d. said thin heat transmitting wall section being formed by part of a core member in which said signal producing assembly is supported and said body being formed by a material molded in place over said core member; e. said core member comprising a support wall section resiliently urging part of said signal producing element against said heat transmitting wall section.
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3. A temperature sensing assembly for determining the temperature of an object in a fluent medium comprising:
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a. a thermally responsive signal producing assembly comprising an electric signal producing element for producing signals whose values depend on the temperature of said signal producing element, and first and second conductors for completing an electric circuit through the element; b. an elongated sensor housing supporting said electric signal producing element, said housing constructed from electrically insulative material and comprising a thin heat transmitting wall section in heat transfer engagement with said electrical signal producing element and a body for fixing said electric signal producing element in place with respect to said heat transmitting wall section; c. an insulating jacket coextending with said sensor housing and spaced from said housing to define a channel therebetween; and
,d. said thin heat transmitting wall section being formed by part of a core member in which said signal producing assembly is supported and said body being formed by a material molded in place over said core member; e. said core member comprising projections extending therefrom into said molded body material to secure said body and core member together.
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4. A temperature sensing assembly for determining the temperature of a member in an ambient fluent medium comprising:
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a. a housing comprising a thin heat transmitting wall section engaged with said member and a relatively thick, heat insulating structural support wall section; b. a thermally responsive signal producing assembly comprising an electric signal producing element disposed in heat transfer relationship with said heat transmitting wall section, said signal element producing signals whose values depend on the temperature of said element, and first and second conductors for completing an electric circuit through the element; c. anchoring structure for fixing the signal producing assembly in place with respect to said housing, said anchoring structure maintaining said signal producing element in heat exchange relationship with said heat transmitting wall section; and
,d. heat transfer structure in heat transfer relationship between said housing and said member, said heat transfer structure tending to maintain the member and heat insulating wall section temperatures the same; e. said housing being formed by a core member supporting said signal producing assembly and a separate body molded over said core member; f. said core member defining said heat transmitting wall section and part of said heat insulating wall section, said heat insulating wall section resiliently anchoring said signal producing element in said core member.
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5. A temperature sensing assembly for determining the temperature of an object in a fluent medium comprising:
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a. a thermally responsive signal producing assembly comprising an electric signal producing signals whose values depend on the temperature of said signal producing element, and first and second conductors for completing an electric circuit through the element; b. an elongated sensor housing supporting said electric signal producing element, said housing constructed from a core member formed of electric and thermal insulating material and comprising a heat transmitting wall section formed by a film of said material and a relatively thick heat insulting wall of said material associated with said heat transmitting wall section to form a cavity in which said signal producing assembly is disposed, and an electrical insulating body formed by a material molded in place over said core member, said body enveloping said electrical signal producing element and conforming to said cavity for fixing said electric signal producing element in heat transfer relationship with said heat transmitting wall section; and
,c. an insulating jacket coextending with said sensor housing and spaced from said housing to define a channel therebetween. - View Dependent Claims (7, 8)
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6. The assembly claimed in 5 wherein said jacket is continuous with said body and formed by said molded material.
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9. A temperature sensing assembly for determining the temperature of a member in an ambient fluent medium comprising:
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a. a housing comprising a core formed of an electrical and thermal insulating material comprising a film-like heat transmitting wall section engaged with said member and a relatively thick, heat insulating structural support wall section associated with said heat transmitting wall section and forming a cavity; b. a thermally responsive signal producing assembly comprising an electrical signal producing element disposed in said cavity in heat transfer relationship with said heat transmitting wall section, said signal element producing signals whose values depend on the temperature of said signal element, and first and second electrical conductors for completing an electric circuit through the element; c. anchoring structure for fixing the signal producing assembly in place with respect to said housing, said anchoring structure comprising an electrical insulating body encapsulating said signal producing element, said body molded over said core with said core and body locked together so that said signal producing element is fixed in said cavity for maintaining said signal producing element in heat exchange relationship with said heat transmitting wall section; and
,d. heat transfer structure in heat transfer relationship between said housing and said member, said heat transfer structure tending to maintain the member and heat insulating wall section temperatures the same.
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Specification