Howard & Howard Attorneys PLLC
Air conditioning system provided with an electronic expansion valve
An air conditioning device is used in a motor vehicle. The air conditioning device includes air conditioning circuit, which includes a compressor (14), a condenser (11), and/or an internal exchanger, an electric expansion valve (12) which opening ratio is changed according to a control signal, and an evaporator (13), which are traversed in this order by a refrigerant fluid and a control unit (40) capable of controlling a control signal of the expansion valve so as to regulate a control variable relating to the superheating of the evaporator or to the sub-cooling of the condenser (11) according to a chosen regulation rule.
VALEO SYSTEMES THERMIQUES
F F F F Y F F
F25B F25B F25B F25B Y02B F25B F25B
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Jin Ming
Liu