EP0450272A3 - Radial fan with an internal spiral - Google Patents

Radial fan with an internal spiral Download PDF

Info

Publication number: EP0450272A3
Authority: EP; European Patent Office
Prior art keywords: radial fan; internal spiral; spiral; internal; fan
Prior art date: 1990-03-28
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.): Granted

Application number

EP19910100984

Other languages

German (de)

Other versions

EP0450272B1 (en

EP0450272A2 (en

Inventor

Wilhelm Reinhardt

Horst Voss

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.)

Elektrobau Mulfingen and Co EBM GmbH

Original Assignee

Elektrobau Mulfingen and Co EBM 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.)

1990-03-28

Filing date

1991-01-25

Publication date

1991-12-04

1991-01-25 Application filed by Elektrobau Mulfingen and Co EBM GmbH filed Critical Elektrobau Mulfingen and Co EBM GmbH

1991-10-09 Publication of EP0450272A2 publication Critical patent/EP0450272A2/en

1991-12-04 Publication of EP0450272A3 publication Critical patent/EP0450272A3/en

1994-09-21 Application granted granted Critical

1994-09-21 Publication of EP0450272B1 publication Critical patent/EP0450272B1/en

2011-01-25 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F04D29/40—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
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- 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

Landscapes

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

EP91100984A 1990-03-28 1991-01-25 Radial fan with an internal spiral Expired - Lifetime EP0450272B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4009869A DE4009869A1 (en)	1990-03-28	1990-03-28	RADIAL BLOWER WITH INTERNAL SPIRAL
DE4009869		1990-03-28

Publications (3)

Publication Number	Publication Date
EP0450272A2 EP0450272A2 (en)	1991-10-09
EP0450272A3 true EP0450272A3 (en)	1991-12-04
EP0450272B1 EP0450272B1 (en)	1994-09-21

Family

ID=6403190

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91100984A Expired - Lifetime EP0450272B1 (en)	1990-03-28	1991-01-25	Radial fan with an internal spiral

Country Status (2)

Country	Link
EP (1)	EP0450272B1 (en)
DE (2)	DE4009869A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN106884804B (en) *	2015-12-16	2020-08-25	株式会社电装	Centrifugal blower

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4143663B4 (en) *	1991-12-13	2007-03-29	Papst Licensing Gmbh & Co. Kg	centrifugal blower
US7191613B2 (en) *	2002-05-08	2007-03-20	Lg Electronics Inc.	Turbo fan and air conditioner having the same applied thereto
DE202005004180U1 (en)	2005-03-14	2006-07-27	Ebm-Papst Landshut Gmbh	centrifugal blower

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB321847A (en) *	1928-11-29	1929-11-21	James Keith & Blackman Company	Improvements in or relating to centrifugal fans
US2240653A (en) *	1939-09-30	1941-05-06	Westinghouse Electric & Mfg Co	Fan
FR1244749A (en) *	1959-02-26	1960-10-28	Sulzer Ag	Wear liner for fan casings
US3638470A (en) *	1969-06-06	1972-02-01	Gen Electric	Method of making a fan
GB1416882A (en) *	1972-03-01	1975-12-10	Hotpoint Ltd	Tumbler type dryers
FR2335714A1 (en) *	1975-12-17	1977-07-15	Webasto Werk Baier Kg W	Car heater blower impeller - has hub disc with blades extending parallel to axis and circumferentially without overlapping
FR2340509A1 (en) *	1976-02-04	1977-09-02	Petz Elektro Waerme Techn	HEATED FAN WITH AXIAL BLOWER MACHINE
EP0316470A1 (en) *	1987-11-17	1989-05-24	ebm Elektrobau Mulfingen GmbH & Co.	Radial fan with an internal spiral

1990
- 1990-03-28 DE DE4009869A patent/DE4009869A1/en not_active Withdrawn
1991
- 1991-01-25 EP EP91100984A patent/EP0450272B1/en not_active Expired - Lifetime
- 1991-01-25 DE DE59102983T patent/DE59102983D1/en not_active Expired - Fee Related

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB321847A (en) *	1928-11-29	1929-11-21	James Keith & Blackman Company	Improvements in or relating to centrifugal fans
US2240653A (en) *	1939-09-30	1941-05-06	Westinghouse Electric & Mfg Co	Fan
FR1244749A (en) *	1959-02-26	1960-10-28	Sulzer Ag	Wear liner for fan casings
US3638470A (en) *	1969-06-06	1972-02-01	Gen Electric	Method of making a fan
GB1416882A (en) *	1972-03-01	1975-12-10	Hotpoint Ltd	Tumbler type dryers
FR2335714A1 (en) *	1975-12-17	1977-07-15	Webasto Werk Baier Kg W	Car heater blower impeller - has hub disc with blades extending parallel to axis and circumferentially without overlapping
FR2340509A1 (en) *	1976-02-04	1977-09-02	Petz Elektro Waerme Techn	HEATED FAN WITH AXIAL BLOWER MACHINE
EP0316470A1 (en) *	1987-11-17	1989-05-24	ebm Elektrobau Mulfingen GmbH & Co.	Radial fan with an internal spiral

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN106884804B (en) *	2015-12-16	2020-08-25	株式会社电装	Centrifugal blower

Also Published As

Publication number	Publication date
DE4009869A1 (en)	1991-10-02
EP0450272B1 (en)	1994-09-21
DE59102983D1 (en)	1994-10-27
EP0450272A2 (en)	1991-10-09

Legal Events

Date	Code	Title	Description
1991-08-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-10-09	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE FR GB IT NL
1991-10-15	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-12-04	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB IT NL
1992-05-13	17P	Request for examination filed	Effective date: 19920314
1993-06-23	17Q	First examination report despatched	Effective date: 19930511
1994-08-05	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-09-21	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB IT NL
1994-10-26	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19940928
1994-10-27	REF	Corresponds to:	Ref document number: 59102983 Country of ref document: DE Date of ref document: 19941027
1994-12-02	ET	Fr: translation filed
1994-12-16	ITF	It: translation for a ep patent filed	Owner name: ORGANIZZAZIONE D'AGOSTINI
1995-07-22	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-07-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-09-13	26N	No opposition filed
1999-12-22	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19991222 Year of fee payment: 10
1999-12-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19991230 Year of fee payment: 10
2000-01-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20000119 Year of fee payment: 10
2000-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20000131 Year of fee payment: 10
2000-02-11	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 20000211 Year of fee payment: 10
2001-01-25	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010125
2001-01-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010131
2001-07-31	BERE	Be: lapsed	Owner name: ELEKTROBAU MULFINGEN G.M.B.H. & CO. EBM Effective date: 20010131
2001-08-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010801
2001-09-12	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20010125
2001-09-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010928
2001-10-01	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20010801
2001-11-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20011101
2001-11-02	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-01-25	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050125

Publication	Publication Date	Title
GB2217784B (en)	1991-11-13	An axially compact fan
GB9116494D0 (en)	1991-09-11	Axial flow fan with centrifugal elements
DK0478269T3 (en)	1995-04-10	spiral Compressor
GB9120658D0 (en)	1991-11-06	Ducted fan turbine engine
GB2261708B (en)	1995-01-25	Turbo-shaft engine stator
DE68903889D1 (en)	1993-01-28	SPIRAL COMPRESSOR.
AU635867B2 (en)	1993-04-01	Centrifugal fan with noise suppressing arrangement
DE68901476D1 (en)	1992-06-17	SPIRAL COMPRESSOR.
DE68907515D1 (en)	1993-08-19	SPIRAL COMPRESSOR.
DE69005835D1 (en)	1994-02-24	Spiral compressor with axial adjustment.
EP0339408A3 (en)	1990-01-10	Radial fan
DE69208663D1 (en)	1996-04-04	RADIAL FAN
GB2217789B (en)	1992-02-12	Axial flow fan.
DE59209180D1 (en)	1998-03-12	Radial fan
BR9102303A (en)	1992-01-14	SPIRAL COMPRESSOR
EP0450272A3 (en)	1991-12-04	Radial fan with an internal spiral
DE59104914D1 (en)	1995-04-13	RADIAL FAN.
DE58900303D1 (en)	1991-10-24	AXIAL FAN.
DE59406358D1 (en)	1998-08-06	Radial fan
GB9400700D0 (en)	1994-03-09	Axial fans
DE68900712D1 (en)	1992-02-27	SPIRAL COMPRESSOR.
IT232800Y1 (en)	2000-01-19	RADIAL FAN
IL92498A0 (en)	1990-08-31	Warhead with casing and liner forming an integral unit
DE58900704D1 (en)	1992-02-20	RADIAL FAN.
DE69201024D1 (en)	1995-02-09	Engine fan.

EP0450272A3 - Radial fan with an internal spiral - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (2)

Publications (3)

Family

ID=6403190

Family Applications (1)

Country Status (2)

Cited By (1)

Families Citing this family (3)

Citations (8)

Patent Citations (8)

Cited By (1)

Also Published As

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