Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1981-08-26
1983-08-30
Reynolds, B. A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219381, 219299, 219307, 285156, F24H 912, H05B 306
Patent
active
044018827
ABSTRACT:
An annular fitting for connecting an immersion heater into a circulating fluid system which includes a groove cut across the threads on the inside of the fitting and a hole through the fitting wall in fluid communication with the groove. The groove and the hole permit a small quantity of fluid to bleed past the base of the heater to reduce the build up of bubbles around the base of the heater.
REFERENCES:
patent: 1281157 (1929-10-01), Hadaway
patent: 1796061 (1931-03-01), Swanson
patent: 2250623 (1941-07-01), Breen
patent: 4282880 (1981-08-01), Gardineer
Gardineer Bayard G.
Heringes James A.
Reynolds B. A.
Technicare Corporation
Tobin Donal B.
Walberg Teresa J.
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