FR2763367B1 - Ventilateur a faible niveau sonore peu sensible aux pertubations amont - Google Patents

Ventilateur a faible niveau sonore peu sensible aux pertubations amont

Info

Publication number
FR2763367B1
FR2763367B1 FR9706017A FR9706017A FR2763367B1 FR 2763367 B1 FR2763367 B1 FR 2763367B1 FR 9706017 A FR9706017 A FR 9706017A FR 9706017 A FR9706017 A FR 9706017A FR 2763367 B1 FR2763367 B1 FR 2763367B1
Authority
FR
France
Prior art keywords
concerns
fan
low noise
noise level
little sensitive
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
FR9706017A
Other languages
English (en)
Other versions
FR2763367A1 (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 FR9706017A priority Critical patent/FR2763367B1/fr
Publication of FR2763367A1 publication Critical patent/FR2763367A1/fr
Application granted granted Critical
Publication of FR2763367B1 publication Critical patent/FR2763367B1/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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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
FR9706017A 1997-05-14 1997-05-14 Ventilateur a faible niveau sonore peu sensible aux pertubations amont Expired - Fee Related FR2763367B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9706017A FR2763367B1 (fr) 1997-05-14 1997-05-14 Ventilateur a faible niveau sonore peu sensible aux pertubations amont

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9706017A FR2763367B1 (fr) 1997-05-14 1997-05-14 Ventilateur a faible niveau sonore peu sensible aux pertubations amont

Publications (2)

Publication Number Publication Date
FR2763367A1 FR2763367A1 (fr) 1998-11-20
FR2763367B1 true FR2763367B1 (fr) 2006-06-16

Family

ID=9506956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9706017A Expired - Fee Related FR2763367B1 (fr) 1997-05-14 1997-05-14 Ventilateur a faible niveau sonore peu sensible aux pertubations amont

Country Status (1)

Country Link
FR (1) FR2763367B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10253937B3 (de) * 2002-11-19 2004-01-15 Seleon Gmbh Lüftereinheiten für ein Beatmungsgerät
SE524341C2 (sv) * 2003-01-31 2004-07-27 Flaekt Woods Ab Luftbehandlingsaggregat med luftfördelare för att sprida luften efter fläktutlopp i form av tunn, flexibel duk e dyl
DE502006002832D1 (de) * 2006-08-30 2009-03-26 Ralf Meier Strömungsgleichrichter für einen Ventilator
PT2778432E (pt) 2013-03-15 2016-01-29 Ebm Papst Mulfingen Gmbh & Co Dispositivo de ventilação com retificador de fluxo
CN204942101U (zh) * 2014-10-07 2016-01-06 日本电产株式会社 风扇
CN111271324B (zh) * 2020-03-17 2021-06-11 浙江上风高科专风实业有限公司 一种低流阻预旋相位消声器及设计方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325913A (en) * 1942-07-07 1943-08-03 Jr Price P Mclcmore Tractor fan guard
US2601947A (en) * 1950-03-30 1952-07-01 Hunter Fan And Ventilating Com Guard for the rotating portions of air-moving devices
FR1379431A (fr) * 1964-01-13 1964-11-20 Ventilateur
JPS5811339A (ja) * 1981-07-10 1983-01-22 Hitachi Ltd 換気扇
JPS5870099A (ja) * 1981-10-22 1983-04-26 Matsushita Electric Works Ltd 送風機
US5088886A (en) * 1990-08-28 1992-02-18 Sinko Kogyo Co., Ltd. Inlet air flow conditioning for centrifugal fans
EP0547253B1 (fr) * 1991-12-14 1995-06-14 Süd-Electric GmbH Appareil d'homogénéisation d'un courant pour un ventilateur
US5494006A (en) * 1995-03-10 1996-02-27 Davis, Jr.; Robert D. Rotating debris screen for internal combustion engines

Also Published As

Publication number Publication date
FR2763367A1 (fr) 1998-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140131