Resistive heater
First Claim
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1. A resistive heater, comprising:
- an emitter for radiating infrared energy;
a protective tube surrounding said emitter which will pass such infrared energy; and
electrical contact means accommodating said emitter and said protective tube, including means for compensating for the difference in expansion and contraction of said emitter and said protective tube during heating and cooling, said electrical contact means including an electrical contact having an internal shoulder, means for rigidly attaching said emitter to said electrical contact, and means for flexibly coupling said protective tube to said electrical contact with no fixed connection between said protective tube and said electrical contact, said flexible coupling means including at least one deflectable member arranged intermediate said internal shoulder and said protective tube.
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Abstract
A resistive heater comprising an emitter, including a hot zone center section and lower temperature end sections, disposed within a protective tube with the emitter and protective tube being mounted within end caps with a spring mechanism provided to allow for the difference in expansion and contraction of the emitter and protective tube during heating and cooling.
23 Citations
3 Claims
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1. A resistive heater, comprising:
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an emitter for radiating infrared energy; a protective tube surrounding said emitter which will pass such infrared energy; and electrical contact means accommodating said emitter and said protective tube, including means for compensating for the difference in expansion and contraction of said emitter and said protective tube during heating and cooling, said electrical contact means including an electrical contact having an internal shoulder, means for rigidly attaching said emitter to said electrical contact, and means for flexibly coupling said protective tube to said electrical contact with no fixed connection between said protective tube and said electrical contact, said flexible coupling means including at least one deflectable member arranged intermediate said internal shoulder and said protective tube. - View Dependent Claims (2, 3)
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Specification
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Current AssigneeSanders Associates, INC. (BAE Systems Plc)
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Original AssigneeSanders Associates, INC. (BAE Systems Plc)
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InventorsKreick, John R., Anderson, Glenn A. Sr.
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Primary Examiner(s)Mayewsky, Volodymyr Y.
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Application NumberUS05/953,244Time in Patent Office795 DaysField of Search219/345, 219/354, 219/411, 219/528, 219/541, 219/544, 219/552, 219/553, 338/315, 338/316, 338/330, 338/322, 13/20, 13/25, 13/31, 264/105US Class Current219/541CPC Class CodesH05B 3/44 heating conductor arranged ...
