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EP4443009A4 - FAN - Google Patents

FAN

Info

Publication number
EP4443009A4
EP4443009A4 EP22900990.7A EP22900990A EP4443009A4 EP 4443009 A4 EP4443009 A4 EP 4443009A4 EP 22900990 A EP22900990 A EP 22900990A EP 4443009 A4 EP4443009 A4 EP 4443009A4
Authority
EP
European Patent Office
Prior art keywords
fan
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.)
Pending
Application number
EP22900990.7A
Other languages
German (de)
French (fr)
Other versions
EP4443009A1 (en
Inventor
Tsuyoshi Kurita
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 EP4443009A1 publication Critical patent/EP4443009A1/en
Publication of EP4443009A4 publication Critical patent/EP4443009A4/en
Pending 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0626—Details of the lubrication
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
EP22900990.7A 2021-12-03 2022-10-27 FAN Pending EP4443009A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021196608A JP2023082736A (en) 2021-12-03 2021-12-03 Air blower
PCT/JP2022/040174 WO2023100557A1 (en) 2021-12-03 2022-10-27 Blower

Publications (2)

Publication Number Publication Date
EP4443009A1 EP4443009A1 (en) 2024-10-09
EP4443009A4 true EP4443009A4 (en) 2025-03-05

Family

ID=86611949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22900990.7A Pending EP4443009A4 (en) 2021-12-03 2022-10-27 FAN

Country Status (3)

Country Link
EP (1) EP4443009A4 (en)
JP (1) JP2023082736A (en)
WO (1) WO2023100557A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005027431A (en) * 2003-07-02 2005-01-27 Nippon Densan Corp Motor
DE10345907B4 (en) * 2003-10-02 2007-01-25 Minebea Co., Ltd. Hydrodynamic bearing, spindle motor and hard disk drive
WO2008139797A1 (en) * 2007-05-09 2008-11-20 Ntn Corporation Fluid bearing device
KR101336584B1 (en) * 2012-05-02 2013-12-05 주식회사 서울금속 Fluid Dynamic Bearing
JP2020106045A (en) 2018-12-26 2020-07-09 日本電産株式会社 Fluid dynamic bearing device, motor, and fan motor

Also Published As

Publication number Publication date
EP4443009A1 (en) 2024-10-09
JP2023082736A (en) 2023-06-15
WO2023100557A1 (en) 2023-06-08

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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: 20240617

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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250131

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/10 20060101ALI20250127BHEP

Ipc: F04D 19/00 20060101ALI20250127BHEP

Ipc: F04D 29/063 20060101ALI20250127BHEP

Ipc: F04D 25/06 20060101ALI20250127BHEP

Ipc: F04D 29/056 20060101AFI20250127BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)