FR2790795B1 - Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement - Google Patents

Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement

Info

Publication number
FR2790795B1
FR2790795B1 FR9903046A FR9903046A FR2790795B1 FR 2790795 B1 FR2790795 B1 FR 2790795B1 FR 9903046 A FR9903046 A FR 9903046A FR 9903046 A FR9903046 A FR 9903046A FR 2790795 B1 FR2790795 B1 FR 2790795B1
Authority
FR
France
Prior art keywords
mixed
high efficiency
centrifugal fan
sound level
low sound
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.)
Expired - Fee Related
Application number
FR9903046A
Other languages
English (en)
Other versions
FR2790795A1 (fr
Inventor
Max Sardou
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9903046A priority Critical patent/FR2790795B1/fr
Publication of FR2790795A1 publication Critical patent/FR2790795A1/fr
Application granted granted Critical
Publication of FR2790795B1 publication Critical patent/FR2790795B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • 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
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • 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
    • F04D29/288—Part of the wheel having an ejecting effect, e.g. being bladeless diffuser
    • 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
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR9903046A 1999-03-09 1999-03-09 Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement Expired - Fee Related FR2790795B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9903046A FR2790795B1 (fr) 1999-03-09 1999-03-09 Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9903046A FR2790795B1 (fr) 1999-03-09 1999-03-09 Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement

Publications (2)

Publication Number Publication Date
FR2790795A1 FR2790795A1 (fr) 2000-09-15
FR2790795B1 true FR2790795B1 (fr) 2006-10-20

Family

ID=9543097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9903046A Expired - Fee Related FR2790795B1 (fr) 1999-03-09 1999-03-09 Ventilateur mixte ou centrifuge a faible niveau sonore et a fort rendement

Country Status (1)

Country Link
FR (1) FR2790795B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878111A (zh) * 2011-07-14 2013-01-16 百得有限公司 叶轮结构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRN20020016A1 (it) * 2002-03-27 2003-09-29 Breath S R L Aspiratore centrifugo con separazione fisica di aspirazione e mandata.
JP4513432B2 (ja) * 2004-07-07 2010-07-28 株式会社日立プラントテクノロジー ターボ型流体機械及びこれに用いる段付シール装置
IT201700001207A1 (it) * 2017-01-05 2018-07-05 Saba Plast Srl Gruppo aspiratore con tenute senza contatto

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL78857C (fr) * 1900-01-01
US2305136A (en) * 1941-01-31 1942-12-15 Wright Aeronautical Corp Centrifugal blower construction
US2490066A (en) * 1945-08-27 1949-12-06 Kollsman Paul Diffuser
DE1476794A1 (de) * 1966-08-13 1969-12-04 Gen Electric Radialstroemungsmaschine
JPS6020598B2 (ja) * 1977-05-06 1985-05-22 トヨタ自動車株式会社 ガスタ−ビン用遠心圧縮機
US4265592A (en) * 1979-05-09 1981-05-05 Carlini Gerardo P V Centrifugal fan
US4917572A (en) * 1988-05-23 1990-04-17 Airflow Research And Manufacturing Corporation Centrifugal blower with axial clearance
AU6465398A (en) * 1997-04-04 1998-10-30 Bosch Automotive Systems Corporation Centrifugal fan with flow control vanes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878111A (zh) * 2011-07-14 2013-01-16 百得有限公司 叶轮结构
CN102878111B (zh) * 2011-07-14 2016-07-13 百得有限公司 叶轮结构

Also Published As

Publication number Publication date
FR2790795A1 (fr) 2000-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse
RN Application for restoration
FC Favourable decision of inpi director general on an application for restauration.
ST Notification of lapse

Effective date: 20121130

RN Application for restoration

Effective date: 20130326

IC Decision of the director general to declare irreceivable or to reject an appeal

Effective date: 20140211