BR112018013261A2 - centrifugal fan rotor - Google Patents

centrifugal fan rotor

Info

Publication number
BR112018013261A2
BR112018013261A2 BR112018013261-6A BR112018013261A BR112018013261A2 BR 112018013261 A2 BR112018013261 A2 BR 112018013261A2 BR 112018013261 A BR112018013261 A BR 112018013261A BR 112018013261 A2 BR112018013261 A2 BR 112018013261A2
Authority
BR
Brazil
Prior art keywords
cover ring
blade
parts
flat plate
axial end
Prior art date
Application number
BR112018013261-6A
Other languages
Japanese (ja)
Portuguese (pt)
Other versions
BR112018013261B1 (en
Inventor
Kashihara Takashi
Yamasaki Takahiro
Original Assignee
Daikin Industries, 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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of BR112018013261A2 publication Critical patent/BR112018013261A2/en
Publication of BR112018013261B1 publication Critical patent/BR112018013261B1/en

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
    • 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
    • F04D29/26—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
    • 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
    • F04D29/30—Vanes
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

a presente invenção refere-se a um anel da cobertura do ventilador (80) que possui: uma parte de chapa curvada do anel da cobertura do tipo chapa curvada (81); e partes de chapa plana do anel da cobertura do tipo chapa plana (82) correspondendo apenas às partes de seções do anel da cobertura (80) que se opõem às partes de extremidade axial da pá no lado do anel da cobertura (72). nas partes de extremidade axial da pá (72) são formadas superfícies planas da pá (72a) que seguem as partes de chapa plana do anel da cobertura (82) e superfícies curvadas da pá (72b, 72c) que seguem a parte de chapa curvada do anel da cobertura (81). partes soldadas (8b) resultantes das superfícies planas da pá (72a) e das partes de chapa plana do anel da cobertura (82) sendo soldadas umas com as outras são formadas entre as partes de extremidade axial da pá (72) e o anel da cobertura do ventilador (80).the present invention relates to a fan cover ring (80) which has: a curved plate portion of the curved plate type cover ring (81); and flat plate portions of the flat plate type cover ring (82) corresponding only to the portions of sections of the cover ring (80) that oppose the axial end parts of the blade on the side of the cover ring (72). on the axial end parts of the blade (72) flat surfaces of the blade (72a) are formed that follow the flat plate parts of the cover ring (82) and curved surfaces of the blade (72b, 72c) that follow the curved plate part cover ring (81). welded parts (8b) resulting from the flat surfaces of the blade (72a) and the flat plate parts of the cover ring (82) being welded together are formed between the axial end parts of the blade (72) and the ring of the fan cover (80).

BR112018013261-6A 2016-01-18 2017-01-13 CENTRIFUGAL FAN ROTOR BR112018013261B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016007181A JP6314998B2 (en) 2016-01-18 2016-01-18 Centrifugal fan impeller
JP2016-007181 2016-01-18
PCT/JP2017/001105 WO2017126444A1 (en) 2016-01-18 2017-01-13 Centrifugal fan impeller

Publications (2)

Publication Number Publication Date
BR112018013261A2 true BR112018013261A2 (en) 2018-12-04
BR112018013261B1 BR112018013261B1 (en) 2024-04-24

Family

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Also Published As

Publication number Publication date
JP6314998B2 (en) 2018-04-25
EP3406910A4 (en) 2019-01-02
EP3406910A1 (en) 2018-11-28
ES2765859T3 (en) 2020-06-11
JP2017129024A (en) 2017-07-27
CN108474389A (en) 2018-08-31
CN108474389B (en) 2019-07-09
WO2017126444A1 (en) 2017-07-27
EP3406910B1 (en) 2019-10-16

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B25G Requested change of headquarter approved

Owner name: DAIKIN INDUSTRIES, LTD. (JP)

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/01/2017, OBSERVADAS AS CONDICOES LEGAIS