About 18 results
https://drivepatents.com/patents/942474 · 1 Jun 2016
This air conditioning device for vehicle includes a first water-refrigerant heat exchanger which performs a heat exchange between a coolant and a low-temperature and low-pressure refrigerant, and vaporizes the refrigerant, a compressor which compresses the...
https://drivepatents.com/patents/942798 · 25 May 2016
This vehicle air conditioner includes a first water-refrigerant heat exchanger, a second water-refrigerant heat exchanger, a first switch which can switch between a state where a refrigerant fed from the second water-refrigerant heat exchanger is fed to an...
https://drivepatents.com/patents/954706 · 30 Dec 2015
If the quantity of heat absorbed by an exterior heat exchanger 33 has decreased, a switch is made into a first hot gas heating operation mode in which a refrigerant discharged from a motor-driven compressor 30 is allowed to flow through a downstream interi...
https://drivepatents.com/patents/956623 · 21 Oct 2015
The invention relates to a refrigerant fluid circuit comprising a first heat exchanger (1) forming a condenser, a second heat exchanger (2) forming a condenser or an evaporator, a third heat exchanger (3) forming an evaporator, a compressor (C), a first ex...
https://drivepatents.com/patents/957111 · 14 Oct 2015
A heat pump device is provided with: a first refrigerant guide-in unit that guides in the high temperature, high pressure refrigerant discharged by the compressor from outside the housing; a water refrigerant heat exchanger that can dissipate heat from the...
https://drivepatents.com/patents/948651 · 30 Sep 2015
A heat pump system for a vehicle, which includes a dehumidification line R4 for supplying some of refrigerant circulating a refrigerant circulation line R to an evaporator 160 before the refrigerant is introduced into an exterior heat exchanger 130 after p...
https://drivepatents.com/patents/950238 · 17 Jun 2015
The invention relates to a method for thermal conditioning of a passenger compartment of a motor vehicle using a refrigerant fluid circulation circuit comprising at least a first heat exchanger (1) capable of forming a condenser and/or an evaporator, a sec...
https://drivepatents.com/patents/960992 · 6 May 2015
A refrigerant shortage determination unit (S2, S3, S6, S8, S9) determines that refrigerant is in shortage state if a high pressure side refrigerant pressure (Pd) between a discharge port of a compressor (11) and an inlet of a decompression unit (13) is low...
https://drivepatents.com/patents/970328 · 10 Sep 2014
The device has a refrigeration system with a compressor (1), an outer heat exchanger (4) and an inner heat exchanger (3) that are associated with an inner heating capacitor (2). A device for generating thermally coupled air flow is connected with the inner...
https://drivepatents.com/patents/972686 · 9 Jul 2014
The present invention is to provide an air conditioning apparatus for a vehicle which can prevent power of a battery from being consumed to perform a defrosting operation while the vehicle is travelling, and can continuously perform a heating operation eve...