EP3401546A1 - Axialgebläseanordnung und wohnmobilklimaanlage damit - Google Patents

Axialgebläseanordnung und wohnmobilklimaanlage damit Download PDF

Info

Publication number
EP3401546A1
EP3401546A1 EP16882846.5A EP16882846A EP3401546A1 EP 3401546 A1 EP3401546 A1 EP 3401546A1 EP 16882846 A EP16882846 A EP 16882846A EP 3401546 A1 EP3401546 A1 EP 3401546A1
Authority
EP
European Patent Office
Prior art keywords
air
axial fan
axial
conditioner
region
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.)
Withdrawn
Application number
EP16882846.5A
Other languages
English (en)
French (fr)
Other versions
EP3401546A4 (de
Inventor
Renzhen Chu
Jianguo ZHU
Guangqing CHANG
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.)
Ningbo Hongdu Electrical Appliance Co Ltd
Original Assignee
Ningbo Hongdu Electrical Appliance Co Ltd
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
Priority claimed from CN201610012779.8A external-priority patent/CN105443445A/zh
Priority claimed from CN201610013161.3A external-priority patent/CN105416003B/zh
Application filed by Ningbo Hongdu Electrical Appliance Co Ltd filed Critical Ningbo Hongdu Electrical Appliance Co Ltd
Publication of EP3401546A1 publication Critical patent/EP3401546A1/de
Publication of EP3401546A4 publication Critical patent/EP3401546A4/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0029—Axial fans

Definitions

  • the present invention relates to a fan assembly and a motor home air-conditioner, and more particularly, to an axial fan assembly and a motor home air-conditioner using same.
  • a motor home air-conditioner includes an outdoor unit, an indoor unit, and air inlet and outlet channels.
  • the outdoor unit includes an air conditioning system formed of a condenser, an evaporator, a compressor, an evaporative fan, a condensing fan, or the like.
  • the indoor unit is mainly formed of a panel component, an air duct support, and the like. Air inlets and outlets are disposed on the panel component. The air inlet and outlet channels are mounted between the air duct support and the outdoor unit. Air inside a vehicle flows through the air inlet and outlet channels and is sent into the motor home air-conditioner. Heat is exchanged between the air and the evaporator, and then the air enters the vehicle again, so as to achieve effects of air circulation and adjusting the temperature of indoor air.
  • the evaporative fan or the condensing fan may be a centrifugal fan or an axial fan.
  • an airflow enters a blade space in an axial direction of the fan. Then the airflow is driven by an impeller to rotate with the impeller. The airflow also gains energy under the effect of inertia, and leaves the impeller in a radial direction. A generated centrifugal force does work to enable the airflow to leave from a peripheral portion of the impeller.
  • an airflow flows into an impeller from an end of a fan in an axial direction and flows out along the other end of the fan in the axial direction.
  • centrifugal fan A distinct difference between the centrifugal fan and the axial fan is that the flowing direction of a medium inside an air pipe is changed in the centrifugal fan, whereas the flowing direction of a medium inside an air pipe is not changed in the axial fan.
  • the centrifugal fan it is more difficult to mount the centrifugal fan, and the centrifugal fan has a more complex structure, a heavier weight, and higher costs.
  • the flowing directions of inlet air and outlet air are consistent due to the structure of the axial fans. Consequently, the application scope of the conventional axial fans is largely restricted.
  • a technical problem to be resolved by the present invention is to provide an axial fan assembly and a motor home air-conditioner using same. Air flows into the fan assembly in an axial direction and is blown out from the fan assembly in both an axial direction and a circumferential direction, so as to form a special blowing mode with mixed flows, thereby expanding the application scope of an axial fan.
  • the axial fan blows out the air in mixed flows.
  • the air flows through an evaporator assembly on the periphery of the fan, and is then sent into a vehicle compartment through an air-outlet channel.
  • An axial fan assembly includes an axial fan and a skeleton-type blast ring, where the axial fan is mounted within the skeleton-type blast ring, the skeleton-type blast ring includes a pressurization region and an airflow diffusion region for air to flow out, the airflow diffusion region is located downstream from the pressurization region, and the airflow diffusion region includes a circumferential air-outlet region and an axial air-outlet region.
  • a further preferred solution of the present invention is:
  • the pressurization region is enclosed by a closed annular body, the circumferential air-outlet region is an open-ended lateral air-outlet region located downstream from the closed annular body, and the axial air-outlet region is an axial air outlet adjacent to the lateral air-outlet region.
  • the skeleton-type blast ring includes a substrate for installing the axial fan, the closed annular body and the substrate are connected through longitudinal connecting posts distributed in a ring, the circumferential air-outlet region is arranged between the closed annular body and the substrate, and the axial air-outlet region is arranged on the substrate.
  • the axial fan includes a driver, a rotating impeller, and a base, the base is mounted at the center of the substrate, the rotating impeller is located between the base and the driver, and the axial air-outlet region is arranged in a peripheral region of the substrate.
  • a further preferred solution of the present invention is: A ratio of the height of the closed annular body to the height of the skeleton-type blast ring is 1/5 to 1/2.
  • a further preferred solution of the present invention is: Transverse connecting posts connected to upper ends of the longitudinal connecting posts are disposed on the substrate.
  • a further preferred solution of the present invention is: Segmented reinforcing ribs are disposed on the periphery of the transverse connecting posts of the substrate.
  • the segmented reinforcing ribs may increase the overall strength of the skeleton-type blast ring, and at the same time ensure normal blowing in an axial direction and a circumferential direction of an axial motor.
  • a further preferred solution of the present invention is:
  • the skeleton-type blast ring is injection molded.
  • a motor home air-conditioner using an axial fan assembly includes an air-conditioner body, a heat exchanging system, a central air-inlet channel, and a peripheral air-outlet channel being arranged in the air-conditioner body, where the heat exchanging system includes an evaporator assembly that is distributed in a ring or has a segmented structure and an axial fan assembly located within the evaporator assembly, the axial fan assembly includes an axial fan and a skeleton-type blast ring, the axial fan is mounted within the skeleton-type blast ring, the skeleton-type blast ring includes a pressurization region and an airflow diffusion region for air to flow out, and the airflow diffusion region includes a circumferential air-outlet region and an axial air-outlet region.
  • the air-conditioner body includes an evaporator volute wrapping the evaporator assembly, the evaporator volute includes a lateral assembly and a top cover, the top cover is located above the evaporator assembly, the lateral assembly is located on an outer side of the evaporator assembly, and an independent and closed heat exchange space is formed within the evaporator volute.
  • the air-conditioner body includes a bottom plate on which a water collection tray is mounted, the evaporator assembly is mounted on the water collection tray, the evaporator volute covers the bottom plate, the water collection tray has an air inlet hole, and a concave step into which a rotating impeller of the axial fan extends is disposed on the water collection tray.
  • a further preferred solution of the present invention is:
  • the evaporator volute is made of a polymer composite material having thermal insulation performance.
  • a further preferred solution of the present invention is:
  • the pressurization region is enclosed by a closed annular body, the circumferential air-outlet region is an open-ended lateral air-outlet region located downstream from the closed annular body, and the axial air-outlet region is an axial air outlet adjacent to the lateral air-outlet region.
  • the skeleton-type blast ring includes a substrate for installing the axial fan, the closed annular body and the substrate are connected through longitudinal connecting posts distributed in a ring, the circumferential air-outlet region is arranged between the closed annular body and the substrate, and the axial air-outlet region is arranged on the substrate.
  • the axial fan includes a driver, a rotating impeller, and a base, the base is mounted at the center of the substrate, the rotating impeller is located between the base and the driver, and the axial air-outlet region is arranged in a peripheral region of the substrate.
  • a further preferred solution of the present invention is: A ratio of the height of the closed annular body to the height of the skeleton-type blast ring is 1/5 to 1/2.
  • a further preferred solution of the present invention is: Transverse connecting posts connected to upper ends of the longitudinal connecting posts are disposed on the substrate, and segmented reinforcing ribs are disposed on the periphery of the transverse connecting posts of the substrate.
  • the air-conditioner body includes a panel component, an air duct assembly is disposed between the panel component and the air inlet hole of the water collection tray, the central air-inlet channel is located on an inner side of the air duct assembly, and the peripheral air-outlet channel is located on an outer side of the air duct assembly.
  • a further preferred solution of the present invention is: Cross-sections of the central air-inlet channel and the peripheral air-outlet channel have a quasi-R-shaped structure.
  • an advantage of the present invention is that after air flows into the fan assembly in an axial direction, the air undergoes pressurization and is blown out in both an axial direction and a circumferential direction, so as to form a special blowing mode with mixed flows, thereby expanding the application scope of an axial fan.
  • a skeleton-type support structure is used for a blast ring. The requirement of strength in installation of an axial fan is met. Further, a pressurized structure at a lower portion of the blast ring and a diffusion structure at an upper portion of the blast ring change the direction of airflow blown by the axial fan.
  • the axial fan not only blows air in a vertical direction but also blows air in a circumferential direction, so as to achieve the blowing effect of mixed windflows.
  • a breakthrough is achieved.
  • air inside a vehicle enters an air-conditioner body from a central air-inlet channel.
  • Air enters an axial fan assembly in an axial direction and undergoes pressurization. Air is blown out in an axial direction and a circumferential direction, so that air is blown out in mixed flows. After heat is exchanged between the air and an evaporator assembly, and the air is then blown from a peripheral air-outlet channel, so as to achieve an objective of adjusting the temperature of the air inside the vehicle.
  • a skeleton-type support structure is used for a blast ring. The requirement of strength in installation of an axial fan is met.
  • a pressurized structure at a lower portion of the blast ring and a diffusion structure at an upper portion of the blast ring change the direction of airflow blown by the axial fan.
  • the axial fan not only blows air in a vertical direction but also blows air in a circumferential direction, so as to achieve the blowing effect of mixed windflows.
  • Embodiment 1 As shown in FIG. 9, FIG. 10 , and FIG. 11 , a motor home air-conditioner using an axial fan assembly includes an air-conditioner body 1. A heat exchanging system, a central air-inlet channel 2, and a peripheral air-outlet channel 3 are arranged in the air-conditioner body 1.
  • the heat exchanging system includes an evaporator assembly 4 distributed in a ring and an axial fan assembly 5 located within the evaporator assembly 4.
  • the axial fan assembly 5 includes an axial fan 6 and a skeleton-type blast ring 7.
  • the axial fan 6 is mounted within the skeleton-type blast ring 7.
  • the skeleton-type blast ring 7 includes a pressurization region 71 and an airflow diffusion region 72 for air to flow out.
  • the airflow diffusion region 72 includes a circumferential air-outlet region 721 and an axial air-outlet region 722.
  • the axial fan assembly 5 is located within the evaporator assembly 4 distributed in a ring, so as to fully utilize an internal space of the air-conditioner, and facilitate the reduction of the overall height of the entire air-conditioner while heat exchange is efficiently performed.
  • the evaporator assembly 4 may be continuously arranged on a water collection tray, or may be arranged on the water collection tray in a segmented manner. As shown in FIG. 10 , cross-sections of the central air-inlet channel 2 and the peripheral air-outlet channel 3 have a quasi-R-shaped structure.
  • the diameter of the axial fan 6 of the present invention may be made as large as possible within the internal space. In this way, the air volume of the axial fan 6 is relatively large. Under a condition of a same power, the noise of a motor is relatively low.
  • the air-conditioner body includes an evaporator volute 8 wrapping the evaporator assembly 4.
  • the evaporator volute 8 includes a lateral assembly 81 and a top cover 82.
  • the top cover 82 is located above the evaporator assembly 4.
  • the lateral assembly 81 is located on an outer side of the evaporator assembly 4.
  • An independent and closed heat exchange space is formed within the evaporator volute 8. Air blown out in an axial direction from an axial fan 5 is blocked by the top cover of the evaporator volute 8 and flows towards the evaporator assembly 4 together with air blown out in a circumferential direction. In this way, air blown out from the axial fan 5 is mainly in a lateral direction, and the efficiency of heat exchange is higher.
  • the air-conditioner body 1 includes a bottom plate 10 on which the water collection tray 9 is mounted.
  • the evaporator assembly 4 is mounted on the water collection tray 9.
  • the evaporator volute 8 covers the bottom plate 10.
  • the water collection tray 9 has an air inlet hole 91.
  • a concave step 11 into which a rotating impeller 62 of the axial fan 6 extends is disposed on the water collection tray 9.
  • a side wall 12 of the concave step 11 also has an effect of performing pressurization on air that enters the axial fan 5, so that the blowing power of the axial fan 5 is increased.
  • the evaporator volute 8 is made of a polymer composite material having thermal insulation performance.
  • the evaporator volute 8 has desirable thermal insulation performance.
  • the pressurization region 71 is enclosed by a closed annular body 73.
  • the circumferential air-outlet region 721 is an open-ended lateral air-outlet region located downstream from the closed annular body 73.
  • the axial air-outlet region 722 is an axial air outlet adjacent to the lateral air-outlet region.
  • the skeleton-type blast ring 7 includes a substrate 12 for installing the axial fan 6.
  • the closed annular body 73 and the substrate 12 are connected through longitudinal connecting posts 13 distributed in a ring.
  • the circumferential air-outlet region 721 is arranged between the closed annular body 73 and the substrate 12.
  • the axial air-outlet region 722 is arranged on the substrate 12.
  • the skeleton-type blast ring 7 is injection molded.
  • the axial fan 6 includes a driver 61, a rotating impeller 62, and a base 63.
  • the base 63 is mounted at the center of the substrate 12.
  • the rotating impeller 62 is located between the base 63 and the driver 61.
  • the axial air-outlet region 722 is arranged in a peripheral region of the substrate 12.
  • a ratio of the height of the closed annular body 73 to the height of the skeleton-type blast ring 7 is 1/5 or 1/3 or 1/2.
  • the overall height of the skeleton-type blast ring is 70 mm. If the lateral portion of the skeleton-type blast ring 7 is completely open (the closed annular body is omitted), the air output volume is only 470 cubic meter/hour. Under the condition that lateral portion of the skeleton-type blast ring 7 is completely closed, the air output volume is 424 cubic meter/hour.
  • Transverse connecting posts 14 connected to upper ends of the longitudinal connecting posts 13 are disposed on the substrate 12.
  • Segmented reinforcing ribs 15 are disposed on the periphery of the transverse connecting posts 14 of the substrate 12.
  • the segmented reinforcing ribs 15 may increase the overall strength of the skeleton-type blast ring 7, and at the same time ensure normal blowing in an axial direction and a circumferential direction of an axial motor.
  • the air-conditioner body 1 includes a panel component 16.
  • An air duct assembly 17 is disposed between the panel component 16 and the air inlet hole 91 of the water collection tray 9.
  • the central air-inlet channel 2 is located on an inner side of the air duct assembly 17.
  • the peripheral air-outlet channel 3 is located on an outer side of the air duct assembly 17.
  • the air duct assembly 17 includes an air duct 18, an air duct ring 19, and an air duct support 20.
  • An upper end of the air duct 18 is connected to a support on the water collection tray 9.
  • the air duct 18 is connected to the air duct support 20 through the air duct ring 19.
  • the air duct support 20 is mounted on the panel component 16.
  • the axial fan 6 having a large diameter is used to blow air, so that the noise is low, and the air volume is large.
  • the bottom plate 10, the water collection tray 9, and the evaporator volute 8 work together to form an independent refrigeration/heating exchange space.
  • the air duct support 20, the air duct ring 19, the air duct 18, and the panel component 16 isolates air obtained after heat exchange inside a vehicle compartment and form a circulation.
  • the axial fan 6 rotates to generate a negative pressure, the air inside the vehicle compartment is sucked through the panel component 16 and the air duct 18 into a heat exchange space formed of the bottom plate 10 and the evaporator volute 8.
  • the annular evaporator assembly 4 After heat exchange is performed by the annular evaporator assembly 4, air is blown through the circumference of the air duct 18 and four sides of the panel component 16 and sent into the vehicle compartment, and the entire air circulation duct forms an R-shaped channel, so as to achieve an objective of adjusting the temperature of air.
  • a high-strength thermal insulation structure is used for the evaporator volute 8, and the evaporator volute 8 is directly molded by using a polymer composite material.
  • the evaporator volute 8 has excellent thermal insulation performance.
  • the evaporator assembly 4 distributed in a ring and the axial fan 6 are horizontally placed to fully utilize an internal space of the air-conditioner, and facilitate reduction of the height of the entire air-conditioner while heat exchange is efficiently performed.
  • Embodiment 2 As shown in FIG. 5 and FIG. 6 , in Embodiment 1, the axial fan 6 is suspended on the skeleton-type blast ring 7, and the airflow diffusion region 72 on the skeleton-type blast ring 7 is located above an airflow pressurization region 71. As shown in FIG. 7 and FIG. 8 , an axial fan assembly is mounted within a motor home air-conditioner in an opposite direction. Specifically, in Embodiment 2, the axial fan 5 is placed on the skeleton-type blast ring 7, and the airflow diffusion region 72 on the skeleton-type blast ring 7 is located below the airflow pressurization region 71.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP16882846.5A 2016-01-07 2016-12-28 Axialgebläseanordnung und wohnmobilklimaanlage damit Withdrawn EP3401546A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201610012779.8A CN105443445A (zh) 2016-01-07 2016-01-07 混流式轴流风扇组件
CN201610013161.3A CN105416003B (zh) 2016-01-07 2016-01-07 应用混流式轴流风扇的房车空调
PCT/CN2016/000715 WO2017117699A1 (zh) 2016-01-07 2016-12-28 轴流风扇组件及应用该轴流风扇组件的房车空调

Publications (2)

Publication Number Publication Date
EP3401546A1 true EP3401546A1 (de) 2018-11-14
EP3401546A4 EP3401546A4 (de) 2019-08-28

Family

ID=59273130

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16882846.5A Withdrawn EP3401546A4 (de) 2016-01-07 2016-12-28 Axialgebläseanordnung und wohnmobilklimaanlage damit

Country Status (3)

Country Link
EP (1) EP3401546A4 (de)
AU (1) AU2016385149B2 (de)
WO (1) WO2017117699A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108954794B (zh) * 2018-08-31 2023-11-10 四川长虹空调有限公司 一种空调贯流风扇换热组件
CN110486820B (zh) * 2019-08-22 2023-06-23 青岛海尔空调器有限总公司 柜式空调室内机
CN110486821B (zh) * 2019-08-22 2023-06-23 青岛海尔空调器有限总公司 柜式空调室内机
CN112610529B (zh) * 2020-12-18 2022-08-09 浙江巴尔电器科技有限公司 一种风扇导流罩及其组装方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE826925C (de) * 1947-01-22 1952-01-07 Gen Motors Corp Verdampfer fuer Luftkuehler
DE2710339C3 (de) * 1977-03-10 1979-12-20 Kloeckner-Humboldt-Deutz Ag, 5000 Koeln Luftgekühlte Brennkraftmaschine mit einem Axialgebläse
WO1997042416A1 (en) * 1996-05-07 1997-11-13 Rollo Enterprises Limited An impeller and fan incorporating same
US8152495B2 (en) * 2008-10-01 2012-04-10 Ametek, Inc. Peripheral discharge tube axial fan
CN102514464B (zh) * 2011-12-21 2014-06-18 珠海银隆电器有限公司 车用电动空调系统
CN103362857A (zh) * 2012-03-30 2013-10-23 华硕电脑股份有限公司 叶轮及风扇
CN203453120U (zh) * 2013-09-03 2014-02-26 讯凯国际股份有限公司 风扇及其风扇叶轮
WO2015131235A1 (en) * 2014-03-06 2015-09-11 Aircommand Australia Pty Ltd Improved air conditioning system
CN204388246U (zh) * 2014-12-26 2015-06-10 海信（山东）空调有限公司 一种车载空调
CN204586424U (zh) * 2015-03-10 2015-08-26 深圳市乐族俊通科技有限公司 一种便携式电子设备控制的汽车空调装置
CN205349868U (zh) * 2016-01-07 2016-06-29 宁波宏都电器有限公司 混流式轴流风扇组件
CN105443445A (zh) * 2016-01-07 2016-03-30 宁波宏都电器有限公司 混流式轴流风扇组件
CN205273116U (zh) * 2016-01-07 2016-06-01 宁波宏都电器有限公司 应用混流式轴流风扇的房车空调
CN105416003B (zh) * 2016-01-07 2017-08-01 宁波宏都电器有限公司 应用混流式轴流风扇的房车空调

Also Published As

Publication number Publication date
EP3401546A4 (de) 2019-08-28
WO2017117699A1 (zh) 2017-07-13
AU2016385149B2 (en) 2019-08-29
AU2016385149A1 (en) 2017-11-02

Similar Documents

Publication Publication Date Title
EP3553321B1 (de) Hlk-gebläseeinlass
CN103574770B (zh) 立式空调器及其控制方法
EP3401546A1 (de) Axialgebläseanordnung und wohnmobilklimaanlage damit
US20150184872A1 (en) Blower apparatus and outdoor unit of air conditioner having the same
CN101109545A (zh) 一种空调器
CN109114673B (zh) 空调柜机和空调器
AU2017200100A1 (en) Caravan air conditioner using mixed flow axial fan assembly
CN105416003B (zh) 应用混流式轴流风扇的房车空调
JP2004353510A (ja) 遠心送風機及び遠心送風機を備えた空気調和装置
CN101109546B (zh) 空调器
CN206478809U (zh) 一种一体式换新风空调器
CN209819688U (zh) 吊顶式空调室内机
JP2007051790A (ja) 空調用室内機
CN111442378B (zh) 吊顶式空调室内机
KR100429235B1 (ko) 천장 부착형 공기조화기의 실내기
CN209840266U (zh) 吊顶式空调室内机
CN100541025C (zh) 窗式空调器
CN113566348B (zh) 一种用于新风机的全热交换器及新风机
CN220038619U (zh) 挂式空调
CN111442374B (zh) 吊顶式空调室内机
CN210107567U (zh) 一种移动式空调的排风系统及移动式空调
CN109425022B (zh) 空调一体机
CN208025671U (zh) 立式空调设备
CN111442375B (zh) 吊顶式空调室内机
KR100734364B1 (ko) 공기조화기

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180704

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20190730

RIC1 Information provided on ipc code assigned before grant

Ipc: F24F 1/0029 20190101ALI20190724BHEP

Ipc: F04D 29/54 20060101ALI20190724BHEP

Ipc: F24F 1/0014 20190101ALI20190724BHEP

Ipc: F04D 17/02 20060101AFI20190724BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200303