An expansion device that is able to perform the functions of refrigerant expansion, flow control and shut-off. A cage (26, 27, 28, 30, 34, 36 and 38) extends from the ends (14 and 16) of a body (12) and supports a screen cover (32, 40) . An orifice tube (4...

A device for testing and diagnosing air-conditioning apparatus of a car in the preferred embodiment comprises an control unit (1), indicated as CPU and having a microprocessor; a first sensor (2) for measuring the low pressure LP upstream of the compressor...

The invention relates to a filling device for motor vehicle air conditioning systems that can be operated with non-hazardous and natural refrigerants, in particular CO2. The filling device is intended to have a high safety standard while simultaneously bei...

A coolant regeneration and refill unit for an air conditioner of a vehicle, wherein the conditioner has a first coolant circuit (9), and the unit has a second circuit (17) connectable to a high-pressure branch (10) and a low-pressure branch (11) of the fir...