Patent ID: 8635882

Claim:
An automotive air-conditioning system for a motor vehicle including a passenger compartment and an engine unit, the system comprising: a thermal unit provided with a hot section and a cold section; and a hydraulic circuit, which is configured to be flown by a carrier fluid and comprises: a first portion provided with a first heat exchanger; a second portion provided with a second heat exchanger; a third portion including a hot portion extending through said hot section and including an inlet and an outlet; and a fourth portion including a cold portion extending through said cold section and including an inlet and an outlet; and a valve device configured to connect selectively one of the hot portion and the cold portion with one of the first portion and second portion to selectively switch the hydraulic circuit between a first configuration, in which the first portion is connected to the cold portion and the second portion is connected to the hot portion, and a second configuration, in which the first portion is connected to the hot portion and the second portion is connected to the cold portion.