Vehicle heating system with an engine-independent heater

Details Vehicle heating system with an engine-independent heater Vehicle heating system with an engine-independent heater

1990-06-21

1992-06-23

Bennett, Henry A.

Heating systems

Automatic control

Heat source is a reverse cycle refrigerating system or heat...

237 123B, G05D 2300

Patent

active

051235943

ABSTRACT:
A vehicle heating system with an engine-independent heater (2) and a heat carrier circuit (14). A feed line (24) leads from the internal combustion engine (8) driving the vehicle to the heater (2) and from there to a heating heat exchanger (10). A return line (30) leads from the heating heat exchanger (10) to the internal combustion engine (8), and a control device (6) for the heater (2). The heat carrier circuit (14) has a connection line (36) leading from the return line (30) to the feed line (24) in front of the heater (2), so that a short circuit excluding the internal combustion engine (8) is formed. The switching over from the short circuit to full heat carrier circuit is performed by the control device (6) of the heater (2) and an on-off solenoid valve (38).

REFERENCES:
patent: 4892248 (1990-01-01), Robin et al.

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