Heater having a casing with an integrally cast mounting space fo

Details Heater having a casing with an integrally cast mounting space fo Heater having a casing with an integrally cast mounting space fo

1989-03-03

1990-07-10

Jones, Larry

Stoves and furnaces

Hot-air furnaces

Compressed air

126110B, 165 802, 237 123C, 237 123R, F24H 302

Patent

active

049400410

ABSTRACT:
A heater, in particular a vehicle auxiliary heater, of the type which operates with a liquid heat exchange medium and which is tied, for example, into the coolant circuit of a motor vehicle. In this heater, a mounting space for a control device is formed on a jacket-like outer casing, preferably a formation cast integrally as part of the outer casing. In this mounting space, circuit boards and printed circuit cards of the control device and sensor elements are mounted. Heat produced by semiconductor power components of the control device is removed to the surroundings by wall surfaces, in particular side walls, of the mounting space to which they are mounted. An electric connection device is provided that connects the inputs and outputs of the control device to the respective operational parts to be controlled and/or to the vehicle. This electric connection device includes a plug-like base, which preferably is formed of plastic, in which suitable electric conductor parts and contact parts, by which the control device is connected to operational parts to be controlled, are inserted. The control device and/or the electric connection device are designed so that parts projecting on the heater are avoided and a compact design of a heater is achieved.

REFERENCES:
patent: 3940665 (1976-02-01), Seki
patent: 3989029 (1976-11-01), Friedl et al.
patent: 3989030 (1976-11-01), Friedl
patent: 4796661 (1989-01-01), Hishinuma et al.
patent: 4840222 (1989-06-01), Lakin et al.

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