Motor vehicle heat exchanger system

Abstract

A motor vehicle heat exchanger system with a closed circuit for an operating medium includes an evaporator for evaporating the operating medium and a condenser for condensing the vaporous operating medium AM is provided. A reservoir for the liquid operating medium is integrated between the condense and the evaporator. Liquid operating medium is conducted from the reservoir via a feed line into the evaporator. In addition the reservoir and the evaporator are connected with each other via a compensation line. Vapor which may form during operation of the motor vehicle heat exchanger system on the liquid side of the evaporator can escape through the compensation line thereby achieving a pressure compensation.

What is claimed is: 
     
         1 . A motor vehicle heat exchanger system with a closed circuit for circulating an operating medium, said heat exchanger system comprising:
 an evaporator for evaporating liquid operating medium to vaporous operating medium;   a condenser for condensing the vaporous operating medium; and   a reservoir for receiving the liquid operating medium, said reservoir being arranged between the condenser and the evaporator, wherein the reservoir and the evaporator are connected with each other via a feed line for conduction of liquid operating medium, and wherein the reservoir and the evaporator are further connected with each other via a compensation line.   
     
     
         2 . The motor vehicle heat exchanger system of  claim 1 , wherein the evaporator comprises at least one evaporator cassette, wherein a capillary structure is arranged in the evaporator cassette and the evaporator cassette has a liquid side and a vapor side and a vapor collector. 
     
     
         3 . The motor vehicle heat exchanger system of  claim 2 , wherein the compensation line is connected with the liquid side of the at least one evaporator cassette. 
     
     
         4 . The motor vehicle heat exchanger system of  claim 1 , wherein the compensation line is connected to the evaporator via a compensation connection and the feed line is connected with the evaporator via a feed connection, said compensation connection being positioned above the feed connection. 
     
     
         5 . The motor vehicle heat exchanger system of  claim 2 , wherein the capillary structure is formed by a porous plate body made of a sintered material. 
     
     
         6 . The motor vehicle heat exchanger system of  claim 1 , wherein the capillary structure has vapor grooves and/or vapor channels on the vapor side. 
     
     
         7 . The motor vehicle heat exchanger system of  claim 1 , wherein the evaporator has at least two evaporator cassettes, and wherein a channel is formed between the at least two evaporator cassettes. 
     
     
         8 . The motor vehicle heat exchanger system of  claim 7 , wherein the channel is an exhaust gas channel. 
     
     
         9 . The motor vehicle heat exchanger system of  claim 7 , further comprising heat transfer elements provided in the channel. 
     
     
         10 . The motor vehicle heat exchanger system of  claim 2 , wherein on the vapor side of an evaporator cassette vapor grooves and/or vapor channels are provided in the bottom of the housing of the evaporator cassette.