Abstract:
A fluid conditioning system includes a refrigeration circuit and a heat pump circuit. The refrigeration circuit includes a heat exchanger and an evaporator. The heat pump circuit includes a condenser, a chiller serially connected to the evaporator, and a first expansion member in fluid communication with the chiller, wherein the heat pump circuit is configured to utilize heat from ambient air and a cooling agent circuit for heating a passenger compartment of a vehicle.
Abstract:
An air conditioning unit is disclosed for motor vehicles. The air conditioning unit includes with a compression refrigerant circuit where a refrigerant circulates, comprising comprehensively switched in series with respect to fluid flow at least one compressor upstream of a heat-delivering heat exchanger, and an expansion element upstream of a heat-absorbing heat exchanger, whereby into the flow path leading from the outlet of the heat-delivering heat exchanger to the expansion element an additional heat exchanger is integrated thermally coupled to at least one cooling means the temperature of which can be put to values below the temperature of the refrigerant in the compression refrigeration circuit at the position of the refrigerant's outflow from the heat-delivering heat exchanger, and a method for its operation.
Abstract:
A thermodynamic engine converts the superheated steam of at least one working medium into kinetic energy using a decompression device. Said engine includes a low-temperature circuit, in which a first working medium is transported through a first heat exchanger and subsequently through the decompression device and a high-temperature circuit, in which a second working medium is transported through a second heat exchanger and subsequently through the decompression device. The first heat exchanger and the second heat exchanger are located in the exhaust system of an internal combustion engine, and the internal combustion engine a coolant circuit can be used to heat the working mediums in separate collection containers.