System for the air-conditioning of the interior of a motor vehicle
AssigneeDaimler-Benz Aktiengesellschaft
InventorsAlbert Stolz, Hans Trube, Hermann Grimm, deceased, Klaus Arold, Manfred Mordau
Life of this patent
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Abstract
A system for the air-conditioning of the interior of a motor vehicle having an engine cooling circuit is provided which has a water/air heat exchanger and a water/water heat exchanger connected in series in the engine cooling circuit. The water/air heat exchanger is arranged upstream of the water/water heat exchanger. The water/water heat exchanger is between the water/air heat exchanger and panel heat exchangers which are located in the interior of the vehicle.
Claims5
A system for the air-conditioning of an interior of a motor vehicle having an engine cooling circuit, and panel heat exchanger means in the interior of the motor vehicle, said system comprising:
- water/air heat exchanger means for heating vehicle interior air;
- water/water heat exchanger means connected in series with and downstream of said water/air heat exchanger means in said engine cooling circuit;
- said water/water heat exchanger means being in flow connection between said water/air heat exchanger means and said panel heat exchanger means;
- further comprising at least one cooling-water return pipe, at least one feed pipe, and at least one connecting pipe which connects said return pipe and said feed pipe and is parallel to said water/air heat exchanger means;
- and
- further comprising a circulating pump in said connecting pipe for pumping water from said cooling-water return pipe to said feed pipe.
Dependencies are inferred from the claim text.