F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
309/28
F23D 11/44 (2006.01) H05B 3/14 (2006.01) H05B 3/82 (2006.01)
Patent
CA 1149855
ARRANGEMENT FOR THE PREWARMING OF HEATING OIL ABSTRACT OF THE DISCLOSURE It is known to prewarm heating oil prior to its exit from the burner jet by means of a current energised PTC element in heat contact with the jetstock conducting the oil to the jet. In order to improve the prewarming efficiency and maintain the diameter of the jetstock as is, it is proposed according to the present invention to utilize at least a single PTC element (14) in the form of a plate which is placed within the cross-section of the jetstock, and which is in heat contact with a flat channel (16,28) into which the oil pipe is configured. The prewarming has good efficiency and the power self-regulation of the PTC element follows the oil temperature with little delay.
348526
Eder Werner
Fischer Gisbert
Danfoss A/s
Macrae & Co.
LandOfFree
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