USD884874S1 - Turbo heater blade - Google Patents
Turbo heater blade Download PDFInfo
- Publication number
- USD884874S1 USD884874S1 US29/656,473 US201829656473F USD884874S US D884874 S1 USD884874 S1 US D884874S1 US 201829656473 F US201829656473 F US 201829656473F US D884874 S USD884874 S US D884874S
- Authority
- US
- United States
- Prior art keywords
- heater blade
- turbo heater
- turbo
- blade
- elevational view
- 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.)
- Active
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
The broken lines shown in the drawings depict unclaimed hub portions of the turbo heat blade, are for illustrative purposes only and form no part of the claimed design. The surfaces shown between the solid lines and the broken lines form no part of the claimed design.
Claims (1)
- The ornamental design for a turbo heater blade, as shown and described.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820054204 | 2018-01-13 | ||
CN201820054204.7U CN207795681U (en) | 2018-01-13 | 2018-01-13 | Axial flow fan leaf, axial flow fan blade component, axial flow blower ducting assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
USD884874S1 true USD884874S1 (en) | 2020-05-19 |
Family
ID=63271797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29/656,473 Active USD884874S1 (en) | 2018-01-13 | 2018-07-12 | Turbo heater blade |
Country Status (4)
Country | Link |
---|---|
US (1) | USD884874S1 (en) |
EP (1) | EP3739218A4 (en) |
CN (1) | CN207795681U (en) |
WO (1) | WO2019136939A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD901669S1 (en) * | 2017-09-29 | 2020-11-10 | Carrier Corporation | Contoured fan blade |
US20220003242A1 (en) * | 2018-11-22 | 2022-01-06 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Axial-flow impeller and air-conditioner having the same |
USD971398S1 (en) * | 2019-03-04 | 2022-11-29 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan wheel of an axial fan |
USD972119S1 (en) * | 2018-11-28 | 2022-12-06 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan |
USD972706S1 (en) * | 2019-02-28 | 2022-12-13 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Ventilating fan |
USD980409S1 (en) * | 2019-03-07 | 2023-03-07 | Ziehl-Abegg Se | Fan wheel |
USD980965S1 (en) * | 2019-05-07 | 2023-03-14 | Carrier Corporation | Leading edge of a fan blade |
US20230138644A1 (en) * | 2020-03-10 | 2023-05-04 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan and fan blades |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD289525S (en) * | 1984-10-01 | 1987-04-28 | Industrial Tools, Inc. | Slicing machine for magnetic tape or the like |
CN207795681U (en) * | 2018-01-13 | 2018-08-31 | 广东美的环境电器制造有限公司 | Axial flow fan leaf, axial flow fan blade component, axial flow blower ducting assembly |
CN111043058A (en) * | 2018-10-15 | 2020-04-21 | 广东美的白色家电技术创新中心有限公司 | Counter-rotating fan |
CN109185226B (en) * | 2018-10-24 | 2024-06-11 | 佛山市启正电气有限公司 | Ceiling fan and fan blade thereof |
CN110410879A (en) * | 2019-08-29 | 2019-11-05 | 代元军 | A kind of blade tip is in the air-conditioner outdoor unit of W type structure |
CN112012960B (en) * | 2020-08-03 | 2021-06-22 | 珠海格力电器股份有限公司 | Fan blade assembly, fan assembly and air conditioner |
CN112306204B (en) * | 2020-11-30 | 2023-08-18 | 联想(北京)有限公司 | Heat dissipation module and electronic equipment |
CN114526252A (en) * | 2022-02-22 | 2022-05-24 | 宁波公牛生活电器有限公司 | Fan blade, fan and invisible fan lamp |
Citations (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712119A (en) * | 1927-12-15 | 1929-05-07 | Westinghouse Electric & Mfg Co | Turbine blade |
US5169290A (en) * | 1991-11-07 | 1992-12-08 | Carrier Corporation | Blade for centrifugal flow fan |
US5603607A (en) * | 1994-11-08 | 1997-02-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Propeller fan |
USD419669S (en) * | 1998-06-26 | 2000-01-25 | Sanyo Electric Co., Ltd. | Propeller fan |
US20030012653A1 (en) * | 2001-07-13 | 2003-01-16 | Guy Diemunsch | Cooling fan |
US6733240B2 (en) * | 2001-07-18 | 2004-05-11 | General Electric Company | Serrated fan blade |
US20070031257A1 (en) * | 2005-08-03 | 2007-02-08 | Mitsubishi Heavy Industries, Ltd. | Propeller fan for heat exchanger of in-vehicle air conditioner |
USD570470S1 (en) * | 2005-08-04 | 2008-06-03 | Mitsubishi Heavy Industries, Ltd. | Fan |
USD585130S1 (en) * | 2008-06-27 | 2009-01-20 | Pax Scientific, Inc. | Rotor |
US7815418B2 (en) * | 2005-08-03 | 2010-10-19 | Mitsubishi Heavy Industries, Ltd. | Shroud and rotary vane wheel of propeller fan and propeller fan |
US8057167B2 (en) * | 2007-09-21 | 2011-11-15 | Mitsubishi Heavy Indusries, Ltd. | Fan motor |
US20120257965A1 (en) * | 2009-12-21 | 2012-10-11 | Beijing Deepcool Industries Co., Ltd. | Cooling fan |
US20130091888A1 (en) * | 2011-10-12 | 2013-04-18 | Jeongtaek PARK | Axial flow fan and air conditioner |
US8491270B2 (en) * | 2009-10-19 | 2013-07-23 | Mitsubishi Heavy Industries, Ltd. | Vehicle heat-exchange module |
USD688783S1 (en) * | 2012-05-31 | 2013-08-27 | Spal Automotive S.R.L. | Fan |
US8556587B2 (en) * | 2008-04-18 | 2013-10-15 | Mitsubishi Heavy Industries, Ltd. | Propeller fan |
US8596984B2 (en) * | 2008-02-28 | 2013-12-03 | Mitsubishi Heavy Industries, Ltd. | Resin fan |
US20130323098A1 (en) * | 2012-05-31 | 2013-12-05 | Denso Corporation | Axial flow blower |
US20140147282A1 (en) * | 2012-11-23 | 2014-05-29 | Cooler Master Co., Ltd. | Fan structure |
US8827649B2 (en) * | 2010-07-15 | 2014-09-09 | Lg Electronics Inc. | Fan assembly |
US20150023791A1 (en) * | 2012-03-06 | 2015-01-22 | Ziehl-Abegg Se | Axial Fan |
US8939729B2 (en) * | 2010-11-05 | 2015-01-27 | Delta Electronics, Inc. | Fan structure |
USD725252S1 (en) * | 2013-08-05 | 2015-03-24 | Mitsubishi Electronic Corporation | Propeller fan |
USD727490S1 (en) * | 2013-02-25 | 2015-04-21 | Wellington Drive Technologies Limited | Fan blade |
US9051941B2 (en) * | 2011-12-28 | 2015-06-09 | Daikin Industries, Ltd. | Axial-flow fan |
US20150240645A1 (en) * | 2012-09-28 | 2015-08-27 | Daikin Industries, Ltd. | Propeller fan and air conditioner equipped with same |
US20150330223A1 (en) * | 2014-05-19 | 2015-11-19 | Lg Electronics Inc. | Blower fan and air conditioner having the same |
USD750211S1 (en) * | 2014-02-27 | 2016-02-23 | Mitsubishi Electric Corporation | Propeller fan |
USD773632S1 (en) * | 2015-11-10 | 2016-12-06 | Unada Co. Ltd. | Fan impeller |
US9556881B2 (en) * | 2012-09-24 | 2017-01-31 | Samsung Electronics Co., Ltd. | Propeller fan |
US20170058917A1 (en) * | 2015-09-02 | 2017-03-02 | Krista L. McKinney | Single thickness blade with leading edge serrations on an axial fan |
USD787035S1 (en) * | 2014-08-11 | 2017-05-16 | Mitsubishi Electric Corporation | Propeller fan |
USD806225S1 (en) * | 2015-12-11 | 2017-12-26 | Delta Electronics, Inc. | Fan |
USD808003S1 (en) * | 2015-01-21 | 2018-01-16 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Ventilator fan for a ventilation system |
US10030668B2 (en) * | 2011-12-28 | 2018-07-24 | Daikin Industries, Ltd. | Axial-flow fan |
US20180238343A1 (en) * | 2015-09-08 | 2018-08-23 | Mitsubishi Electric Corporation | Propeller fan, propeller fan device, and air conditioner outdoor unit |
CN207795681U (en) * | 2018-01-13 | 2018-08-31 | 广东美的环境电器制造有限公司 | Axial flow fan leaf, axial flow fan blade component, axial flow blower ducting assembly |
US10082286B1 (en) * | 2018-01-24 | 2018-09-25 | Dynaeon Industrial Co., Ltd. | Cooling fan with light-emitting effect |
US20180306034A1 (en) * | 2015-11-02 | 2018-10-25 | Mitsubishi Electric Corporation | Fan, outdoor unit, and refrigeration cycle apparatus |
US20180355885A1 (en) * | 2015-11-30 | 2018-12-13 | Samsung Electronics Co., Ltd | Blower fan and air conditioner having same |
US20180355884A1 (en) * | 2015-08-10 | 2018-12-13 | Mitsubishi Electric Corporation | Fan and air-conditioning apparatus equipped with fan |
US20190024674A1 (en) * | 2015-08-31 | 2019-01-24 | Ziehl-Abegg Se | Fan wheel, fan, and system having at least one fan |
US20190040873A1 (en) * | 2016-02-24 | 2019-02-07 | Mitsubishi Electric Corporation | Air-sending device and air-conditioning apparatus using the same |
US20190072104A1 (en) * | 2017-09-05 | 2019-03-07 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Wuerzburg | Fan wheel, radiator fan module and motor vehicle having the radiator fan module |
US20190120253A1 (en) * | 2016-07-01 | 2019-04-25 | Mitsubishi Electric Corporation | Propeller fan |
US20190170158A1 (en) * | 2016-03-01 | 2019-06-06 | Valeo Systemes Thermiques | Motor-fan assembly comprising a hydraulic heat transfer fluid cooling circuit |
USD854143S1 (en) * | 2017-12-06 | 2019-07-16 | Vincent Yu | Cooling fan |
US20190226492A1 (en) * | 2016-07-05 | 2019-07-25 | Nidec Corporation | Serrated fan blade, axial fan, and centrifugal fan |
US10400604B2 (en) * | 2016-09-02 | 2019-09-03 | Fujitsu General Limited | Axial fan with grooved trailing edge and outdoor unit |
USD858737S1 (en) * | 2017-03-16 | 2019-09-03 | Mitsubishi Electric Corporation | Propeller fan |
US20190301471A1 (en) * | 2018-02-07 | 2019-10-03 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Axial flow wind wheel and air conditioner |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3234011A1 (en) * | 1982-09-14 | 1984-03-15 | Braun Ag, 6000 Frankfurt | Axial fan |
CN201679745U (en) * | 2010-03-29 | 2010-12-22 | 新昌县科贸实业有限公司 | Low-noise axial flow fan for cooling air conditioner |
CN102588339B (en) * | 2012-03-01 | 2016-02-03 | Tcl空调器(中山)有限公司 | Fan structure and axial fan |
CN102588338B (en) * | 2012-03-01 | 2015-11-18 | Tcl空调器(中山)有限公司 | Axial fan |
CN104061187A (en) * | 2014-06-30 | 2014-09-24 | 珠海格力电器股份有限公司 | Axial flow fan blade, axial flow fan and air conditioner |
-
2018
- 2018-01-13 CN CN201820054204.7U patent/CN207795681U/en active Active
- 2018-06-28 EP EP18900229.8A patent/EP3739218A4/en active Pending
- 2018-06-28 WO PCT/CN2018/093266 patent/WO2019136939A1/en unknown
- 2018-07-12 US US29/656,473 patent/USD884874S1/en active Active
Patent Citations (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712119A (en) * | 1927-12-15 | 1929-05-07 | Westinghouse Electric & Mfg Co | Turbine blade |
US5169290A (en) * | 1991-11-07 | 1992-12-08 | Carrier Corporation | Blade for centrifugal flow fan |
US5603607A (en) * | 1994-11-08 | 1997-02-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Propeller fan |
USD419669S (en) * | 1998-06-26 | 2000-01-25 | Sanyo Electric Co., Ltd. | Propeller fan |
US20030012653A1 (en) * | 2001-07-13 | 2003-01-16 | Guy Diemunsch | Cooling fan |
US6733240B2 (en) * | 2001-07-18 | 2004-05-11 | General Electric Company | Serrated fan blade |
US20070031257A1 (en) * | 2005-08-03 | 2007-02-08 | Mitsubishi Heavy Industries, Ltd. | Propeller fan for heat exchanger of in-vehicle air conditioner |
US7815418B2 (en) * | 2005-08-03 | 2010-10-19 | Mitsubishi Heavy Industries, Ltd. | Shroud and rotary vane wheel of propeller fan and propeller fan |
USD570470S1 (en) * | 2005-08-04 | 2008-06-03 | Mitsubishi Heavy Industries, Ltd. | Fan |
US8057167B2 (en) * | 2007-09-21 | 2011-11-15 | Mitsubishi Heavy Indusries, Ltd. | Fan motor |
US8596984B2 (en) * | 2008-02-28 | 2013-12-03 | Mitsubishi Heavy Industries, Ltd. | Resin fan |
US8556587B2 (en) * | 2008-04-18 | 2013-10-15 | Mitsubishi Heavy Industries, Ltd. | Propeller fan |
USD585130S1 (en) * | 2008-06-27 | 2009-01-20 | Pax Scientific, Inc. | Rotor |
US8491270B2 (en) * | 2009-10-19 | 2013-07-23 | Mitsubishi Heavy Industries, Ltd. | Vehicle heat-exchange module |
US20120257965A1 (en) * | 2009-12-21 | 2012-10-11 | Beijing Deepcool Industries Co., Ltd. | Cooling fan |
US8827649B2 (en) * | 2010-07-15 | 2014-09-09 | Lg Electronics Inc. | Fan assembly |
US8939729B2 (en) * | 2010-11-05 | 2015-01-27 | Delta Electronics, Inc. | Fan structure |
US20130091888A1 (en) * | 2011-10-12 | 2013-04-18 | Jeongtaek PARK | Axial flow fan and air conditioner |
US9051941B2 (en) * | 2011-12-28 | 2015-06-09 | Daikin Industries, Ltd. | Axial-flow fan |
US10030668B2 (en) * | 2011-12-28 | 2018-07-24 | Daikin Industries, Ltd. | Axial-flow fan |
US20150023791A1 (en) * | 2012-03-06 | 2015-01-22 | Ziehl-Abegg Se | Axial Fan |
US20130323098A1 (en) * | 2012-05-31 | 2013-12-05 | Denso Corporation | Axial flow blower |
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US9556881B2 (en) * | 2012-09-24 | 2017-01-31 | Samsung Electronics Co., Ltd. | Propeller fan |
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USD727490S1 (en) * | 2013-02-25 | 2015-04-21 | Wellington Drive Technologies Limited | Fan blade |
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USD755946S1 (en) * | 2014-02-27 | 2016-05-10 | Mitsubishi Electric Corporation | Propeller fan |
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USD808003S1 (en) * | 2015-01-21 | 2018-01-16 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Ventilator fan for a ventilation system |
US20180355884A1 (en) * | 2015-08-10 | 2018-12-13 | Mitsubishi Electric Corporation | Fan and air-conditioning apparatus equipped with fan |
US20190024674A1 (en) * | 2015-08-31 | 2019-01-24 | Ziehl-Abegg Se | Fan wheel, fan, and system having at least one fan |
US20170058917A1 (en) * | 2015-09-02 | 2017-03-02 | Krista L. McKinney | Single thickness blade with leading edge serrations on an axial fan |
US20180238343A1 (en) * | 2015-09-08 | 2018-08-23 | Mitsubishi Electric Corporation | Propeller fan, propeller fan device, and air conditioner outdoor unit |
US20180306034A1 (en) * | 2015-11-02 | 2018-10-25 | Mitsubishi Electric Corporation | Fan, outdoor unit, and refrigeration cycle apparatus |
USD773632S1 (en) * | 2015-11-10 | 2016-12-06 | Unada Co. Ltd. | Fan impeller |
US20180355885A1 (en) * | 2015-11-30 | 2018-12-13 | Samsung Electronics Co., Ltd | Blower fan and air conditioner having same |
USD806225S1 (en) * | 2015-12-11 | 2017-12-26 | Delta Electronics, Inc. | Fan |
US20190040873A1 (en) * | 2016-02-24 | 2019-02-07 | Mitsubishi Electric Corporation | Air-sending device and air-conditioning apparatus using the same |
US20190170158A1 (en) * | 2016-03-01 | 2019-06-06 | Valeo Systemes Thermiques | Motor-fan assembly comprising a hydraulic heat transfer fluid cooling circuit |
US20190120253A1 (en) * | 2016-07-01 | 2019-04-25 | Mitsubishi Electric Corporation | Propeller fan |
US20190293091A1 (en) * | 2016-07-01 | 2019-09-26 | Mitsubishi Electric Corporation | Propeller fan, air-conditioning apparatus and ventilator |
US20190226492A1 (en) * | 2016-07-05 | 2019-07-25 | Nidec Corporation | Serrated fan blade, axial fan, and centrifugal fan |
US10400604B2 (en) * | 2016-09-02 | 2019-09-03 | Fujitsu General Limited | Axial fan with grooved trailing edge and outdoor unit |
USD858737S1 (en) * | 2017-03-16 | 2019-09-03 | Mitsubishi Electric Corporation | Propeller fan |
US20190072104A1 (en) * | 2017-09-05 | 2019-03-07 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Wuerzburg | Fan wheel, radiator fan module and motor vehicle having the radiator fan module |
USD854143S1 (en) * | 2017-12-06 | 2019-07-16 | Vincent Yu | Cooling fan |
CN207795681U (en) * | 2018-01-13 | 2018-08-31 | 广东美的环境电器制造有限公司 | Axial flow fan leaf, axial flow fan blade component, axial flow blower ducting assembly |
US10082286B1 (en) * | 2018-01-24 | 2018-09-25 | Dynaeon Industrial Co., Ltd. | Cooling fan with light-emitting effect |
US20190301471A1 (en) * | 2018-02-07 | 2019-10-03 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Axial flow wind wheel and air conditioner |
Non-Patent Citations (3)
Title |
---|
Fan blades. (Design-© Questel) orbit.com. [online PDF] 15 pgs. Print Dates Mar. 10, 2010 through Mar. 8, 2019 [Retrieved on Nov. 18, 2019] https://sobjprd.questel.fr/export/QPTUJ214/pdf2/87093e6a-666c-4590-bab8-0592651dd81b-225230.pdf. * |
Fan blades. (Design—© Questel) orbit.com. [online PDF] 15 pgs. Print Dates Mar. 10, 2010 through Mar. 8, 2019 [Retrieved on Nov. 18, 2019] https://sobjprd.questel.fr/export/QPTUJ214/pdf2/87093e6a-666c-4590-bab8-0592651dd81b-225230.pdf. * |
Sound Source Localization on a Fast Rotating Fan Using Rotational Beamforming. [online] 3 pgs. Aug. 2017. [Retrieved on Nov. 18, 2019] https://www.researchgate.net/figure/Design-studies-under-examination-always-viewed-from-the-pressure-side-a-Sample-1_fig5_323186173. * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD901669S1 (en) * | 2017-09-29 | 2020-11-10 | Carrier Corporation | Contoured fan blade |
USD916269S1 (en) | 2017-09-29 | 2021-04-13 | Carrier Corporation | Compressor fan having a contoured fan blade |
US20220003242A1 (en) * | 2018-11-22 | 2022-01-06 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Axial-flow impeller and air-conditioner having the same |
US11680580B2 (en) * | 2018-11-22 | 2023-06-20 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Axial-flow impeller and air-conditioner having the same |
USD972119S1 (en) * | 2018-11-28 | 2022-12-06 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan |
USD972706S1 (en) * | 2019-02-28 | 2022-12-13 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Ventilating fan |
USD971398S1 (en) * | 2019-03-04 | 2022-11-29 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan wheel of an axial fan |
USD980409S1 (en) * | 2019-03-07 | 2023-03-07 | Ziehl-Abegg Se | Fan wheel |
USD989276S1 (en) * | 2019-03-07 | 2023-06-13 | Ziehl-Abegg Se | Fan wheel |
USD989277S1 (en) * | 2019-03-07 | 2023-06-13 | Ziehl-Abegg Se | Fan wheel |
USD980965S1 (en) * | 2019-05-07 | 2023-03-14 | Carrier Corporation | Leading edge of a fan blade |
US20230138644A1 (en) * | 2020-03-10 | 2023-05-04 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Fan and fan blades |
Also Published As
Publication number | Publication date |
---|---|
WO2019136939A1 (en) | 2019-07-18 |
EP3739218A1 (en) | 2020-11-18 |
CN207795681U (en) | 2018-08-31 |
EP3739218A4 (en) | 2021-03-17 |
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