US20130205811A1 - Service unit for vehicle air-conditioning systems and method for removing the coolant or a coolant/compressor oil mixture from a vehicle air-conditioning system - Google Patents

Service unit for vehicle air-conditioning systems and method for removing the coolant or a coolant/compressor oil mixture from a vehicle air-conditioning system Download PDF

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Publication number
US20130205811A1
US20130205811A1 US13/823,222 US201113823222A US2013205811A1 US 20130205811 A1 US20130205811 A1 US 20130205811A1 US 201113823222 A US201113823222 A US 201113823222A US 2013205811 A1 US2013205811 A1 US 2013205811A1
Authority
US
United States
Prior art keywords
coolant
service unit
vehicle air
chimney
collection chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/823,222
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English (en)
Inventor
Franz-Josef Esch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dometic Sweden AB
Original Assignee
Dometic Waeco International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dometic Waeco International GmbH filed Critical Dometic Waeco International GmbH
Assigned to DOMETIC WAECO INTERNATIONAL GMBH reassignment DOMETIC WAECO INTERNATIONAL GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ESCH, FRANZ-JOSEF
Publication of US20130205811A1 publication Critical patent/US20130205811A1/en
Assigned to DOMETIC SWEDEN AB reassignment DOMETIC SWEDEN AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DOMETIC WAECO INTERNATIONAL GMBH
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00585—Means for monitoring, testing or servicing the air-conditioning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001—Charging refrigerant to a cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/002—Collecting refrigerant from a cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/005—Service stations therefor
    • F25B2345/0052—Service stations therefor having wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/12—Inflammable refrigerants

Definitions

  • the invention relates to a service unit for vehicle air-conditioning systems having the features of the preamble of claim 1 and a method for removing the coolant or a coolant/compressor oil mixture from a vehicle air-conditioning system having the features of the preamble of claim 10 .
  • a vehicle air-conditioning system to be maintained consists substantially of a generally oil-lubricated compressor, a condenser, an evaporator, and pipelines which form a closed coolant system between these components. Furthermore, a dryer is generally provided, which can also act as a collector or reservoir for coolant. Finally, two service connections are incorporated in the coolant circuit for fluid exchange. The cold available at the evaporator in the vehicle is conducted away by a cold air blower and fed to the vehicle interior. The condensation heat of the condenser is conducted away by a warm air blower. Service connection connectors on the vehicle air-conditioning system allow coolant/compressor oil mixture to be drawn off or added at at least one, in particular the low-pressure (NP) service connection during maintenance.
  • NP low-pressure
  • Service units for vehicle air-conditioning systems serve among other things to drain the coolant circuit of a wide variety of vehicle air-conditioning systems from time to time and introduce a new coolant filling during maintenance. In this case it is necessary to observe precise quantities and coolant specifications. Moreover, in many cases lubricating oil for the compressor of the coolant circuit of the vehicle air-conditioning system must be removed and replenished. This also takes place in quantities and specifications depending on the vehicle type and air-conditioning unit type. Some vehicle air-conditioning systems also require an additive for the coolant circuit, which is likewise partially replaced during maintenance. Usually, the compressor oil passes into the coolant circuit and is circulated as well during operation of the vehicle air-conditioning system.
  • service units for vehicle air-conditioning systems usually also have a separator, with which coolant can be separated from the coolant/compressor oil mixture for reuse. Used compressor oil and where necessary used additive is generally collected by the service unit in order to be discarded later.
  • WO 2007/085480 of the applicant discloses a service unit for vehicle air-conditioning systems according to the block diagram and FIG. 1 .
  • This shows the essential constituents of the generic service unit for a vehicle air-conditioning system in solid lines and a vehicle air-conditioning system to be maintained in dashed lines.
  • the latter consists of an oil-lubricated compressor 1 , a condenser 2 , an evaporator 3 , and pipelines 4 A- 4 C forming a closed coolant system between these components.
  • a dryer 5 is provided, which can also act as a collector or reservoir for coolant.
  • two service connections 6 a/ 6 b are incorporated in the coolant circuit for fluid exchange.
  • the cold available at the evaporator 3 in the vehicle is conducted away by a cold air blower 7 and fed to the vehicle interior.
  • the condensation heat of the condenser 2 is conducted away by a warm air fan 8 .
  • Service connection connectors 9 A and 9 B allow coolant/compressor oil mixture to be drawn off and added at the service connections 6 A, 6 B during maintenance.
  • the vehicle air-conditioning system labelled 10 overall differs from vehicle type to vehicle type and does not form the subject matter of the present invention.
  • a service unit, labelled 20 overall, for a vehicle air-conditioning system has flexible pressure hoses 11 A, 11 B for connecting the service unit 20 to the vehicle air-conditioning system 10 by means of the service connection connectors 9 A, 9 B at the service connections 6 A, 6 B.
  • An extraction pump 12 configured as a coolant compressor delivers used coolant/compressor oil mixture via the pressure hoses 11 A and 11 B and the separator 14 . The latter separates coolant from the extracted mixture by evaporation and feeds it to a coolant store 15 configured as a pressurised tank. Compressor oil/additive mixture separated off in the separator 14 is collected in a replaceable used oil tank 15 and its weight is detected by means of a weighing device 17 A.
  • An air-cooled coolant condenser 15 A is connected fixedly to the coolant store 15 . Recycled coolant is thereby fed predominantly in liquid form to the coolant store 15 .
  • the whole coolant store including the condenser rests on a further weighing device 17 B for detecting the coolant fed and discharged and in store.
  • a vacuum pump 13 After the extraction of the used mixture, a vacuum pump 13 provides the underpressure, which is necessary for refilling, in the circuit of the vehicle air-conditioning system and emits the extracted gas volume to the atmosphere.
  • a refilling system labelled 19 overall consists substantially of replaceable storage tanks 19 D for compressor oil and 19 C for additives, a control unit 19 A with a valve block and control lines 19 B, a remote display 19 E and metering and valve units 19 F′ to 19 F′′′.
  • the storage tanks 19 C and 19 D can preferably be weighed. Further weighing devices 17 C, 17 D are used for this purpose.
  • a service unit for vehicle air-conditioning systems having a drainage and filling device for extracting the coolant/compressor oil mixture from the coolant circuit system of a vehicle air-conditioning system and for refilling the vehicle air-conditioning system with coolant and compressor oil, having a separation stage comprising at least one separator, a coolant compressor and a coolant weighing device, and having a vacuum pump for draining the residues of the coolant circuit system of the vehicle air-conditioning system is proposed, in which at least one pressure- and/or time-controlled switching valve block is provided for the optional direct fluid connection of the coolant circuit system to the separation stage and for the diversion of the flow connection from the coolant circuit system of the vehicle air-conditioning system via the vacuum pump to the separation stage.
  • the invention is based on the object of being able to use inflammable or otherwise critical coolants, such as the coolant R-1234 yf, safely in a generic service unit for vehicle air-conditioning systems. This object is achieved by a service unit for vehicle air-conditioning systems having the features of claim 1 and a method having the features of claim 10 .
  • the invention provides for a chimney-like gas collection chamber to be provided inside the service unit in a generic service unit for vehicle air-conditioning systems.
  • the chimney-like gas collection chamber has an upper and a lower opening to the ambient atmosphere and is also sealed off from the ambient atmosphere.
  • An active fan is provided in such a manner that ambient air can flow through the chimney-like gas collection chamber from top to bottom. This means that all the regions of the service unit which can come into contact with the gas of the coolant systematically or owing to leakages can be fluid-connected to the chimney-like gas collection chamber and sealed off from the remaining ambient atmosphere. Escaping coolant gas can thereby be kept away from unit parts which potentially form sparks. Other unit parts which are unavoidably fluid-connected to the ambient atmosphere are therefore sealed off from the chimney-like gas collection chamber.
  • the active fan ensures that flow passes through the chimney-like gas collection chamber from top to bottom, for which ambient air is used. This means firstly that gas exchange also takes place in less accessible regions of the chimney-like gas collection chamber. Secondly, it is thereby possible to accommodate certain electrical components in the chimney-like gas collection chamber without the risk of explosion, deflagration or inflammation in the atmosphere of the chimney-like gas collection chamber increasing. This is advantageous in particular if customary vacuum pumps are used in the air-conditioning service unit, with which the electrical unit part of the vacuum pump can come into contact with the gas to be evacuated.
  • the active ventilation ensures that such gas constituents are conducted quickly outwards, so that more complex vacuum pump designs with complete separation of the electrical part from the gas atmosphere are unnecessary. This active ventilation can be supported further by additional second and/or third active ventilation systems.
  • the active fan can remain switched off during stoppage phases or phases when the service unit is not in use, because electrical sparks are not produced in these phases and it is therefore sufficient if the heavier gases sink inside the chimney-like gas collection chamber and exit the latter to the environment through the lower opening.
  • the active fan or at least its electrically supplied component groups or where appropriate a unit controller are arranged outside the air-conditioning service unit or at least on the outer side thereof, potential ignition risks in the chimney-like gas collection chamber arising from the active fan itself can also be avoided.
  • FIG. 2 shows the service unit for vehicle air-conditioning systems in vertical section (section along line I-I according to FIG. 3 ), and
  • FIG. 3 shows the same unit in vertical section shifted 90° (section along line according to FIG. 2 )
  • the chimney-like gas collection chamber 110 is for the most part formed by the unit walls 112 , which are closed in on themselves, on the outer sides of the unit, the unit cover 114 and a funnel-shaped bottom 118 or e.g. a perforated plate (not shown) situated at the lower end of the unit.
  • a first electrical fan is docked from the outside of the unit onto the upper opening 110 A of the chimney-like gas collection chamber 110 .
  • the lower opening 110 B of the chimney-like gas collection chamber 110 to the atmosphere is situated at the lower end of the funnel-shaped bottom 116 , perforated plate or the like.
  • One or a plurality of sealing walls 118 in the unit interior can seal off the chimney-like gas collection chamber 110 from holding chambers 122 for accommodating storage tanks 124 A, 124 B, 124 C for compressor oils, additives, used circuit liquid and/or the like, which remain accessible from the outside of the unit.
  • a fluid connection can however also exist between at least one of the holding chambers 122 and the chimney-like gas collection chamber 110 , if the at least one of the holding chambers 122 is sealed off at its unit outer wall 112 .
  • the chimney-like gas collection chamber 110 is surrounded by an additional dashed line in FIGS. 2 and 3 by way of example and only for illustration purposes.
  • a second fan 134 can additionally be arranged in the region of a unit wall 112 in order to ventilate the electric motor 132 A of the vacuum pump 132 additionally.
  • An opening 134 A of a unit side wall 112 through which the fan is connected to the atmospheric air is provided for this.
  • the additional air stream 134 B produced by the second fan 134 flows down together with the air stream 1208 produced by the active fan 120 via the bottom opening 110 B of the chimney-like gas collection chamber 110 as an aggregate air stream 140 .
  • the latter can be connected to the external atmosphere via a third fan 136 .
  • the fan 136 is fluid-connected via a further opening 138 A in the unit outer wall 112 and a ventilation duct 136 C to the external atmosphere.
  • the chimney-like gas collection chamber 110 is thereby sealed off from the external atmosphere.
  • the air stream produced by the third fan 136 also exits the service unit 100 with the aggregate air stream 114 via the lower opening 110 B of the chimney-like gas collection chamber [through] the unit bottom 116 .
  • the third fan 136 and the electric motor of the vacuum pump and the compressor 128 are preferably connected in such a manner that they can only start up if the first fan 120 is in operation and the downward air stream in the chimney-like gas collection chamber 110 is consequently active.
  • the second and third fans support the active ventilation of the chimney-like gas collection chamber 110 and its protective function.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
US13/823,222 2010-09-14 2011-09-14 Service unit for vehicle air-conditioning systems and method for removing the coolant or a coolant/compressor oil mixture from a vehicle air-conditioning system Abandoned US20130205811A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202010012578.2 2010-09-14
DE202010012578U DE202010012578U1 (de) 2010-09-14 2010-09-14 Service-Gerät für Fahrzeugklimaanlagen
PCT/EP2011/004621 WO2012034695A1 (de) 2010-09-14 2011-09-14 Service-gerät für fahrzeugklimaanlagen und verfahren zum entfernen des kältemittels bzw. eines kältemittel/kompressoröl-gemisches aus einer fahrzeugklimaanlage

Publications (1)

Publication Number Publication Date
US20130205811A1 true US20130205811A1 (en) 2013-08-15

Family

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Application Number Title Priority Date Filing Date
US13/823,222 Abandoned US20130205811A1 (en) 2010-09-14 2011-09-14 Service unit for vehicle air-conditioning systems and method for removing the coolant or a coolant/compressor oil mixture from a vehicle air-conditioning system

Country Status (5)

Country Link
US (1) US20130205811A1 (zh)
EP (1) EP2616258B1 (zh)
CN (1) CN103237671B (zh)
DE (1) DE202010012578U1 (zh)
WO (1) WO2012034695A1 (zh)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140223928A1 (en) * 2011-05-23 2014-08-14 Dometico Waeco International Gmbc Servicing device for vehicle air-conditioning systems and method for operating said device
US20170030617A1 (en) * 2015-07-28 2017-02-02 Brain Bee Holding S.P.A. Method for transferring coolant from a loading unit to an air conditioning system
US9651284B2 (en) 2011-02-21 2017-05-16 Dometic Sweden Ab Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning type
US9834062B2 (en) 2009-11-25 2017-12-05 Dometic Sweden Ab Method for maintaining a vehicle air conditioning unit and service apparatus therefor
USD811566S1 (en) 2016-02-12 2018-02-27 Dometic Sweden Ab Recreational vehicle air-conditioning unit
USD817466S1 (en) 2016-01-19 2018-05-08 Dometic Sweden Ab Air shroud assembly
US9975405B2 (en) 2013-03-14 2018-05-22 Dometic Corporation Modular air grill assembly
USD824499S1 (en) 2016-04-28 2018-07-31 Dometic Sweden Ab Air-conditioning unit
USD850609S1 (en) 2015-10-15 2019-06-04 Dometic Sweden Ab Modular air grill
US10589593B2 (en) 2016-01-19 2020-03-17 Dometic Sweden Ab Parking cooler
US10675941B2 (en) 2016-02-22 2020-06-09 Dometic Sweden Ab Air-conditioner control
USD905217S1 (en) 2018-09-05 2020-12-15 Dometic Sweden Ab Air conditioning apparatus
USD907183S1 (en) 2016-11-23 2021-01-05 Dometic Sweden Ab Air conditioning apparatus
USD915569S1 (en) 2017-02-17 2021-04-06 Dometic Sweden Ab Shroud assembly
US11034208B2 (en) 2016-02-22 2021-06-15 Dometic Sweden Ab Vehicle air conditioner
US11571945B2 (en) 2018-12-21 2023-02-07 Dometic Sweden Ab Roof top air conditioner unit, methods for producing, assembling and installing the roof top air conditioner unit and vehicle with the roof top air conditioner unit
US11752827B2 (en) 2019-08-28 2023-09-12 Dometic Sweden Ab Air conditioner
US11772452B2 (en) 2017-11-16 2023-10-03 Dometic Sweden Ab Air conditioning apparatus for recreational vehicles
USD1010080S1 (en) 2020-05-15 2024-01-02 Dometic Sweden Ab Housing for air conditioning apparatus
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner

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ITPI20120065A1 (it) * 2012-05-28 2013-11-29 Ecotechnics S P A Metodo ed apparecchiatura per il recupero del refrigerante da un impianto di condizionamento
US9273888B2 (en) * 2013-03-12 2016-03-01 Bosh Automotive Service Solutions Inc. Refrigerant recovery device and method
DE202013004158U1 (de) 2013-05-06 2014-08-07 Dometic Sweden Ab Service-Gerät zum Warten von Fahrzeugklimaanlagen
CO6930066A1 (es) * 2014-04-08 2014-04-28 Apoyo Tecnico Especializado En Aire Acondicionado Automotrizateac Ltda Método y equipo para realizar el mantenimiento preventivo y automatizado al interior de los sistemas de aire acondicionado y de refrigeración.
WO2016104296A1 (ja) * 2014-12-22 2016-06-30 旭硝子株式会社 作動媒体回収装置
DE102017219353B4 (de) 2017-10-27 2019-11-21 Dometic Sweden Ab Serviceeinheit für eine fahrzeug-klimaanlage und verfahren zum betreiben einer serviceeinheit

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US6314749B1 (en) * 2000-02-03 2001-11-13 Leon R. Van Steenburgh, Jr. Self-clearing vacuum pump with external cooling for evacuating refrigerant storage devices and systems

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DE202008003123U1 (de) 2008-03-05 2009-07-30 Dometic Waeco International Gmbh Servicegerät für Fahrzeugklimaanlagen
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DE102009054436A1 (de) 2009-11-25 2011-05-26 Dometic Waeco International Gmbh Verfahren zum Warten einer mit geschlossenem Kältemittel-Kreislaufsystem betriebenen Fahrzeugklimaanlage und Service-Gerät hierfür
PL2507081T3 (pl) * 2009-12-01 2016-05-31 Bosch Gmbh Robert Sposób obsługi i urządzenie do obsługi układów chłodzenia w pojazdach

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US4538964A (en) * 1984-01-04 1985-09-03 Mechanical Technology Incorporated Multistage resonant compressor
US5353603A (en) * 1994-02-23 1994-10-11 Wynn's Climate Systems, Inc. Dual refrigerant recovery apparatus with single vacuum pump and control means
US6314749B1 (en) * 2000-02-03 2001-11-13 Leon R. Van Steenburgh, Jr. Self-clearing vacuum pump with external cooling for evacuating refrigerant storage devices and systems

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9834062B2 (en) 2009-11-25 2017-12-05 Dometic Sweden Ab Method for maintaining a vehicle air conditioning unit and service apparatus therefor
US9651284B2 (en) 2011-02-21 2017-05-16 Dometic Sweden Ab Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning type
US20140223928A1 (en) * 2011-05-23 2014-08-14 Dometico Waeco International Gmbc Servicing device for vehicle air-conditioning systems and method for operating said device
US9975405B2 (en) 2013-03-14 2018-05-22 Dometic Corporation Modular air grill assembly
US10054345B2 (en) * 2015-07-28 2018-08-21 Mahle Aftermarket Italy S.P.A. Method for transferring coolant from a loading unit to an air conditioning system
US20170030617A1 (en) * 2015-07-28 2017-02-02 Brain Bee Holding S.P.A. Method for transferring coolant from a loading unit to an air conditioning system
USD884870S1 (en) 2015-10-15 2020-05-19 Dometic Sweden Ab Modular air grill
USD850609S1 (en) 2015-10-15 2019-06-04 Dometic Sweden Ab Modular air grill
US11613157B2 (en) 2016-01-19 2023-03-28 Dometic Sweden Ab Parking cooler
US10589593B2 (en) 2016-01-19 2020-03-17 Dometic Sweden Ab Parking cooler
USD817466S1 (en) 2016-01-19 2018-05-08 Dometic Sweden Ab Air shroud assembly
USD862668S1 (en) 2016-01-19 2019-10-08 Dometic Sweden Ab Air shroud assembly
USD865926S1 (en) 2016-01-19 2019-11-05 Dometic Sweden Ab Air shroud assembly
USD811566S1 (en) 2016-02-12 2018-02-27 Dometic Sweden Ab Recreational vehicle air-conditioning unit
US11472256B2 (en) 2016-02-22 2022-10-18 Dometic Sweden Ab Air-conditioner control
US10675941B2 (en) 2016-02-22 2020-06-09 Dometic Sweden Ab Air-conditioner control
US11034208B2 (en) 2016-02-22 2021-06-15 Dometic Sweden Ab Vehicle air conditioner
US11560036B2 (en) 2016-02-22 2023-01-24 Dometic Sweden Ab Frame fitting arrangement for vehicle air conditioner
USD841138S1 (en) 2016-04-28 2019-02-19 Dometic Sweden Ab Air-conditioning unit
USD824499S1 (en) 2016-04-28 2018-07-31 Dometic Sweden Ab Air-conditioning unit
USD907183S1 (en) 2016-11-23 2021-01-05 Dometic Sweden Ab Air conditioning apparatus
USD915569S1 (en) 2017-02-17 2021-04-06 Dometic Sweden Ab Shroud assembly
US11772452B2 (en) 2017-11-16 2023-10-03 Dometic Sweden Ab Air conditioning apparatus for recreational vehicles
US11933285B2 (en) 2018-04-23 2024-03-19 Dometic Sweden Ab Damped mobile compressor
USD944374S1 (en) 2018-09-05 2022-02-22 Dometic Sweden Ab Air conditioning apparatus
USD905217S1 (en) 2018-09-05 2020-12-15 Dometic Sweden Ab Air conditioning apparatus
US11571945B2 (en) 2018-12-21 2023-02-07 Dometic Sweden Ab Roof top air conditioner unit, methods for producing, assembling and installing the roof top air conditioner unit and vehicle with the roof top air conditioner unit
US11951798B2 (en) 2019-03-18 2024-04-09 Dometic Sweden Ab Mobile air conditioner
US11987093B2 (en) 2019-03-18 2024-05-21 Dometic Sweden Ab Mobile air conditioner
US11752827B2 (en) 2019-08-28 2023-09-12 Dometic Sweden Ab Air conditioner
USD1010080S1 (en) 2020-05-15 2024-01-02 Dometic Sweden Ab Housing for air conditioning apparatus
USD1027143S1 (en) 2021-07-12 2024-05-14 Dometic Sweden Ab Housing shroud for an air conditioner

Also Published As

Publication number Publication date
EP2616258A1 (de) 2013-07-24
DE202010012578U1 (de) 2011-12-21
CN103237671A (zh) 2013-08-07
CN103237671B (zh) 2016-09-07
WO2012034695A1 (de) 2012-03-22
EP2616258B1 (de) 2016-02-24

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