EP0506974A4 - Impeller for vortex flow blower and method of making said impeller - Google Patents

Impeller for vortex flow blower and method of making said impeller

Info

Publication number
EP0506974A4
EP0506974A4 EP19910917817 EP91917817A EP0506974A4 EP 0506974 A4 EP0506974 A4 EP 0506974A4 EP 19910917817 EP19910917817 EP 19910917817 EP 91917817 A EP91917817 A EP 91917817A EP 0506974 A4 EP0506974 A4 EP 0506974A4
Authority
EP
European Patent Office
Prior art keywords
impeller
making
vortex flow
flow blower
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Withdrawn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
EP19910917817
Other versions
EP0506974A1 (en
Inventor
Takashi Watanabe
Kanji 438-91 Johza Mizutani
Yuuichi 2-1-12-303 Karabe 2-Chome Nakatsuhama
Yukio 6-6 Tsudanuma 5-Chome Makuta
Kazuo 2-26 Takanedai 6-Chome Yanagiya
Tomoya 25-9 Toujidai Tamura
Masayuki 334-99 Kamishizuhara Fujio
Eiichi 248 Hongo Mimomicho Ito
Hiromoto 39-4 Narashinodai 5-Chome Ashihara
Yasushi Room 44 Guranpure Tsumura Yoshioka
Masayuki 1525-158 Kashiwaicho Tsumiyama
Yoshiaki 38-25 Narashinodai 5-Chome Noda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 JP27941190A external-priority patent/JP2804621B2/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP0506974A1 publication Critical patent/EP0506974A1/en
Publication of EP0506974A4 publication Critical patent/EP0506974A4/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Withdrawn legal-status Critical Current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
    • 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
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19910917817 1990-10-19 1991-10-16 Impeller for vortex flow blower and method of making said impeller Withdrawn EP0506974A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27941190A JP2804621B2 (en) 1990-01-09 1990-10-19 Impeller of vortex blower and method of manufacturing the same
JP279411/90 1990-10-19

Publications (2)

Publication Number Publication Date
EP0506974A1 EP0506974A1 (en) 1992-10-07
EP0506974A4 true EP0506974A4 (en) 1993-04-07

Family

ID=17610723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910917817 Withdrawn EP0506974A4 (en) 1990-10-19 1991-10-16 Impeller for vortex flow blower and method of making said impeller

Country Status (3)

Country Link
EP (1) EP0506974A4 (en)
KR (1) KR0185156B1 (en)
WO (1) WO1992007191A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4671844B2 (en) 2005-05-27 2011-04-20 株式会社日立産機システム Blower
DE102013220668A1 (en) 2013-10-14 2015-04-16 Continental Automotive Gmbh Impeller for a particular designed as a side channel blower side channel flow machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB732334A (en) * 1952-11-07 1955-06-22 Doyle Vacuum Cleaner Co Improvements in or relating to centrifugal fan wheel
US3147541A (en) * 1959-11-16 1964-09-08 Torrington Mfg Co Mixed-flow fan and method of making
EP0383238A2 (en) * 1989-02-13 1990-08-22 Hitachi, Ltd. Vortex flow blower and method of manufacturing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474298A (en) * 1944-09-11 1949-06-28 Borg Warner Fluid wheel
US2807217A (en) * 1955-09-16 1957-09-24 Krzyszczuk Edward Fluid compressor
US3392675A (en) * 1965-10-22 1968-07-16 Ford Motor Co Centrifugal pump
JPS56106098A (en) * 1980-01-30 1981-08-24 Hitachi Ltd Vane wheel for pump
JPS5713900U (en) * 1980-06-26 1982-01-23
JPS5735198A (en) * 1980-08-08 1982-02-25 Hitachi Ltd Assembling of fan
JPH0240097A (en) * 1988-07-29 1990-02-08 Hitachi Ltd Impeller for vortex flow fan
JPH02215997A (en) * 1989-02-13 1990-08-28 Hitachi Ltd Impeller and manufacture thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB732334A (en) * 1952-11-07 1955-06-22 Doyle Vacuum Cleaner Co Improvements in or relating to centrifugal fan wheel
US3147541A (en) * 1959-11-16 1964-09-08 Torrington Mfg Co Mixed-flow fan and method of making
EP0383238A2 (en) * 1989-02-13 1990-08-22 Hitachi, Ltd. Vortex flow blower and method of manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9207191A1 *

Also Published As

Publication number Publication date
KR927004017A (en) 1992-12-19
WO1992007191A1 (en) 1992-04-30
KR0185156B1 (en) 1999-05-01
EP0506974A1 (en) 1992-10-07

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Legal Events

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

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17P Request for examination filed

Effective date: 19920706

AK Designated contracting states

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Designated state(s): DE FR GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 19930222

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Effective date: 19940504

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

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18D Application deemed to be withdrawn

Effective date: 19940915