Electrical heating element assembly for water heater

Details Electrical heating element assembly for water heater Electrical heating element assembly for water heater

1992-10-07

1994-12-06

Reynolds, Bruce A.

Electric resistance heating devices

Heating devices

Immersion heater details

392455, 220319, 220254, F24H 120

Patent

active

053718313

ABSTRACT:
A port assembly for a non-metallic pressure vessel is joined to a boss which is molded into or otherwise joined to the vessel wall. A bayonet type accessory mount is insertable therein for sealing passage through the vessel wall. The mount includes a simple semicircular locking snap ring with easily manipulable handles. The locking snap ring is configured for retaining and locking an accessory such as a heating element in any desired rotational position within the port. An o-ring is sealingly compressed in a radial direction between the mount and the port assembly. A specific application includes the positioning of a non-linear electrical heating element within a non-metallic water heater.

REFERENCES:
patent: 2008156 (1935-07-01), Rottum
patent: 2725252 (1955-11-01), Greer
patent: 2749162 (1956-06-01), Humphrey
patent: 3695482 (1972-10-01), Smith
patent: 4068684 (1978-01-01), Greer
patent: 4463871 (1984-08-01), Garbarini et al.
patent: 4765507 (1988-08-01), Yavorksy et al.
patent: 5129537 (1992-07-01), Bordner et al.

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