Electric heating – Heating devices – Combined with diverse-type art device
Patent
1979-12-26
1981-08-25
Bartis, A.
Electric heating
Heating devices
Combined with diverse-type art device
1231425E, 138 90, 219318, 219336, 219536, 220235, 277110, 285196, H05B 302, H05B 382, F02N 1706
Patent
active
042861390
ABSTRACT:
A coupling assembly for mounting a heating element to an opening in an engine block. The coupling assembly includes a guide member which prevents a blow-out of the coupling assembly from the engine block opening when high pressure is exerted against the coupling assembly. The coupling assembly includes an in-line arrangement of an outer clamping ring, a retainer ring, an O-ring seal, and an inner guide sleeve which are concentrically mounted to a threaded clamping sleeve having fixed at one end an electric heating element sized and shaped for insertion into the engine block through the opening. The O-ring seal and retainer ring are mounted onto the outer periphery of a first annular portion of the guide sleeve and a clamping nut on the threaded sleeve presses the clamping ring and retainer ring against the O-ring to compress the O-ring into sealing engagement with the walls of the opening. An elongated second annular portion of the guide sleeve extends interiorly of the engine block when the coupling assembly is installed. Pressure from the engine coolant against the guide sleeve tends to push it outwardly of the engine block, but the second annular portion of the guide sleeve prevents the coupling assembly from tilting or pivoting with respect to the axis of the engine block opening because of the elongated longitudinal extent of the guide sleeve's second annular portion.
REFERENCES:
patent: 1335117 (1920-03-01), Kofoed et al.
patent: 2783352 (1957-02-01), McKay
patent: 2824945 (1958-02-01), Derumaux
patent: 3211888 (1965-10-01), Windsor
patent: 3280298 (1966-10-01), Klancke et al.
patent: 3456094 (1969-07-01), Klancke et al.
Bartis A.
J. I. Case Company
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