FR2488950B1 - - Google Patents

Info

Publication number: FR2488950B1
Authority: FR; France
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

Application number

FR8116337A

Other versions

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.)

Wilhelm Gebhardt GmbH

Original Assignee

Wilhelm Gebhardt GmbH

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.)

1980-08-22

Filing date

1981-08-21

Publication date

1985-04-19

1981-08-21 Application filed by Wilhelm Gebhardt GmbH filed Critical Wilhelm Gebhardt GmbH

1982-02-26 Publication of FR2488950A1 publication Critical patent/FR2488950A1/fr

1985-04-19 Application granted granted Critical

1985-04-19 Publication of FR2488950B1 publication Critical patent/FR2488950B1/fr

Status Granted legal-status Critical Current

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
- F04D19/00—Axial-flow pumps
- F04D19/007—Axial-flow pumps multistage 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
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/024—Multi-stage pumps with contrarotating parts
- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction

Landscapes

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

FR8116337A 1980-08-22 1981-08-21 Procede de fonctionnement d'une turbomachine axiale et machine de ce genre pour la mise en oeuvre du procede Granted FR2488950A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19803031686 DE3031686A1 (de)	1980-08-22	1980-08-22	Verfahren zum betreiben einer axialen stroemungsarbeitsmaschine und solche maschine zur durchfuehrung dieses verfahrens

Publications (2)

Publication Number	Publication Date
FR2488950A1 FR2488950A1 (fr)	1982-02-26
FR2488950B1 true FR2488950B1 (fr)	1985-04-19

Family

ID=6110180

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8116337A Granted FR2488950A1 (fr)	1980-08-22	1981-08-21	Procede de fonctionnement d'une turbomachine axiale et machine de ce genre pour la mise en oeuvre du procede

Country Status (5)

Country	Link
JP (1)	JPS5773894A (fr)
DE (1)	DE3031686A1 (fr)
FR (1)	FR2488950A1 (fr)
GB (1)	GB2082688B (fr)
SE (1)	SE457277B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5931640A (en) *	1997-10-17	1999-08-03	Robert Bosch Corporation	Oppositely skewed counter-rotating fans
US7815418B2 (en) *	2005-08-03	2010-10-19	Mitsubishi Heavy Industries, Ltd.	Shroud and rotary vane wheel of propeller fan and propeller fan
CN103244459B (zh) *	2013-04-25	2015-08-05	哈尔滨工业大学	一种亚音速吸附式轴流压气机气动设计方法
BE1023233B1 (fr) *	2015-07-01	2017-01-05	Safran Aero Boosters S.A.	Tambour perfore de compresseur de turbomachine axiale
CN110107529A (zh) *	2019-05-13	2019-08-09	西华大学	一种轴流泵叶轮及其轴流泵

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE62510C (de) *			G. schiele & CO. in Bockenheim bei Frankfurt a. Main	Flügelrad-Gebläse mit Hülfsflügel
DE815374C (de) *	1950-02-25	1951-10-01	Voith Gmbh J M	Axialgeblaese mit Zwischenring zur Verhinderung des Umspringens der Stroemung
DE1001113B (de) *	1954-04-17	1957-01-17	Ernst Beck Dr Ing	Einrichtung zur Verminderung der bei Kreiselpumpen erforderlichen Zulaufhoehe
DE1064191B (de) *	1956-07-26	1959-08-27	Voith Gmbh J M	Einrichtung zur Abschirmung der normalen Stroemung gegen das Abloesungsgebiet im Nabenbereich von Axialstroemungsmaschinen
GB1342590A (en) *	1970-07-17	1974-01-03	Secr Defence	Suppression of noise in gas turbine engines
DE2204247A1 (de) *	1971-02-12	1972-08-17	Luft U Kaeltetechnik Veb K	Grenzschichtbeeinflussung bei Turbomaschinen, insbesondere zur Verwendung in Klimageräten
DE2951775A1 (de) *	1978-12-26	1980-07-03	Nissan Motor	Kuehlgeblaese

1980
- 1980-08-22 DE DE19803031686 patent/DE3031686A1/de active Granted
1981
- 1981-08-20 GB GB8125503A patent/GB2082688B/en not_active Expired
- 1981-08-21 FR FR8116337A patent/FR2488950A1/fr active Granted
- 1981-08-21 SE SE8104956A patent/SE457277B/sv not_active IP Right Cessation
- 1981-08-22 JP JP56132026A patent/JPS5773894A/ja active Pending

Also Published As

Publication number	Publication date
DE3031686A1 (de)	1982-04-01
GB2082688A (en)	1982-03-10
GB2082688B (en)	1984-10-31
JPS5773894A (en)	1982-05-08
SE457277B (sv)	1988-12-12
FR2488950A1 (fr)	1982-02-26
SE8104956L (sv)	1982-02-23
DE3031686C2 (fr)	1989-08-03

Publication	Publication Date	Title
FR2473466B1 (fr)	1982-10-29
GR75807B (fr)	1984-08-02
DE3152454A1 (fr)	1982-08-26
FR2474136B1 (fr)	1984-08-17
FR2473394B1 (fr)	1984-07-20
DE3050591T1 (fr)	1982-10-07
FR2482587B1 (fr)	1983-09-30
FR2474370B1 (fr)	1983-12-23
FR2473639B1 (fr)	1982-08-06
FR2473949B1 (fr)	1982-01-08
FR2474113B2 (fr)	1984-04-20
FR2486244B1 (fr)	1984-07-20
FR2473961B1 (fr)	1984-01-20
FR2474245B3 (fr)	1983-10-21
FR2473749B1 (fr)	1984-09-14
FR2473474B1 (fr)	1982-01-08
FR2473688B3 (fr)	1982-10-08
FR2474354B1 (fr)	1984-01-06
FR2474341B3 (fr)	1981-12-04
FR2474116B1 (fr)	1985-04-05
FR2474227B1 (fr)	1983-08-26
FR2488950B1 (fr)	1985-04-19
FR2473571B3 (fr)	1981-12-04
FR2478293B1 (fr)	1984-04-13
CH655648B (fr)	1986-05-15

Legal Events

Date	Code	Title	Description
1993-09-10	TP	Transmission of property
1995-06-30	ST	Notification of lapse