Electric resistance heating devices – Heating devices – Fluid-in-circuit type heater
Reexamination Certificate
2011-08-30
2011-08-30
Daniels, Matthew J (Department: 1741)
Electric resistance heating devices
Heating devices
Fluid-in-circuit type heater
C065S355000, C065S374120, C219S059100, C373S036000, C392S314000, C392S338000, C392S480000, C392S482000
Reexamination Certificate
active
08009970
ABSTRACT:
There is provided a method for electrically energizing and heating a platinum or platinum-alloy composite tube structure having a structure including a first main tube, a second main tube, and a branch tube connecting the first main tube and the second main tube, which prevents a local part of the branch tube from being electrically energized and heated in an excessive or insufficient manner.There is provided a method for electrically energizing and heating a platinum or platinum-alloy composite tube structure having a structure including a first main tube, a second main tube, and a branch tube connecting the first main tube and the second main tube, the method comprising dividing an energizing path for the branch tube into a first energizing path from the first main tube to the branch tube and a second energizing path from the branch tube to the second main tube; and performing energization control for the first energizing path and energization control for the second energizing path independently of each other.
REFERENCES:
patent: 2868378 (1959-01-01), Burstlein
patent: 3354292 (1967-11-01), Kahn
patent: 3364337 (1968-01-01), Kahn
patent: 3803385 (1974-04-01), Sandorf
patent: 6286337 (2001-09-01), Palmquist
patent: 6-227822 (1994-08-01), None
Hirabara Yasuharu
Itoh Hajime
Nagano Sei
Asahi Glass Company Limited
Daniels Matthew J
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Szewczyk Cynthia
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