EP4317701A4 - ELECTRIC AIR BLOWER AND COOLING FAN - Google Patents

ELECTRIC AIR BLOWER AND COOLING FAN Download PDF

Info

Publication number
EP4317701A4
EP4317701A4 EP22779573.9A EP22779573A EP4317701A4 EP 4317701 A4 EP4317701 A4 EP 4317701A4 EP 22779573 A EP22779573 A EP 22779573A EP 4317701 A4 EP4317701 A4 EP 4317701A4
Authority
EP
European Patent Office
Prior art keywords
cooling fan
air blower
electric air
electric
blower
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Withdrawn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
EP22779573.9A
Other languages
German (de)
French (fr)
Other versions
EP4317701A1 (en
Inventor
Katsutoshi Fujita
Shizuka Yokote
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP4317701A1 publication Critical patent/EP4317701A1/en
Publication of EP4317701A4 publication Critical patent/EP4317701A4/en
Withdrawn legal-status Critical Current

Links

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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/165—Axial entry and discharge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
    • 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
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4253—Fan casings with axial entry and discharge
    • 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
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
EP22779573.9A 2021-03-30 2022-02-10 ELECTRIC AIR BLOWER AND COOLING FAN Withdrawn EP4317701A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021058501 2021-03-30
PCT/JP2022/005382 WO2022209344A1 (en) 2021-03-30 2022-02-10 Electric air blower and cooling fan

Publications (2)

Publication Number Publication Date
EP4317701A1 EP4317701A1 (en) 2024-02-07
EP4317701A4 true EP4317701A4 (en) 2024-09-25

Family

ID=83455835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22779573.9A Withdrawn EP4317701A4 (en) 2021-03-30 2022-02-10 ELECTRIC AIR BLOWER AND COOLING FAN

Country Status (4)

Country Link
EP (1) EP4317701A4 (en)
JP (1) JPWO2022209344A1 (en)
CN (1) CN116997722A (en)
WO (1) WO2022209344A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460294A1 (en) * 1974-12-19 1976-07-01 Bosch Siemens Hausgeraete Baking oven with automatic pyrolytic cleaning device - counter air flow is generated by air resistant surfaces on blower fan
JPH04311700A (en) * 1991-04-09 1992-11-04 Mitsubishi Electric Corp Motor fan
JP2009027788A (en) * 2007-07-18 2009-02-05 Mitsubishi Electric Corp Rotating electric machine
EP1306623B2 (en) * 2001-10-25 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Cooking device with ventilation unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10164799A (en) * 1996-11-26 1998-06-19 Hitachi Ltd Induction motor
GB0202835D0 (en) 2002-02-07 2002-03-27 Johnson Electric Sa Blower motor
JP6355390B2 (en) * 2014-04-02 2018-07-11 三菱電機株式会社 Rotating electric machine
JP2018074897A (en) * 2016-11-02 2018-05-10 日本電産株式会社 Rotor assembly and method of manufacturing rotor assembly
WO2019106934A1 (en) * 2017-11-30 2019-06-06 工機ホールディングス株式会社 Electrical power tool
JP7038074B2 (en) * 2019-03-22 2022-03-17 東芝三菱電機産業システム株式会社 Rotating machine and rotor shaft

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460294A1 (en) * 1974-12-19 1976-07-01 Bosch Siemens Hausgeraete Baking oven with automatic pyrolytic cleaning device - counter air flow is generated by air resistant surfaces on blower fan
JPH04311700A (en) * 1991-04-09 1992-11-04 Mitsubishi Electric Corp Motor fan
EP1306623B2 (en) * 2001-10-25 2013-03-13 BSH Bosch und Siemens Hausgeräte GmbH Cooking device with ventilation unit
JP2009027788A (en) * 2007-07-18 2009-02-05 Mitsubishi Electric Corp Rotating electric machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022209344A1 *

Also Published As

Publication number Publication date
WO2022209344A1 (en) 2022-10-06
EP4317701A1 (en) 2024-02-07
JPWO2022209344A1 (en) 2022-10-06
CN116997722A (en) 2023-11-03

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