EP0800000B1 - Fan for a heating and/or air conditioning system - Google Patents

Fan for a heating and/or air conditioning system Download PDF

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Publication number
EP0800000B1
EP0800000B1 EP97105437A EP97105437A EP0800000B1 EP 0800000 B1 EP0800000 B1 EP 0800000B1 EP 97105437 A EP97105437 A EP 97105437A EP 97105437 A EP97105437 A EP 97105437A EP 0800000 B1 EP0800000 B1 EP 0800000B1
Authority
EP
European Patent Office
Prior art keywords
inlet ring
fan
motor mount
motor
fastenings
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 - Lifetime
Application number
EP97105437A
Other languages
German (de)
French (fr)
Other versions
EP0800000A1 (en
Inventor
Markus Schöllhorn
Albert Gwosdeck
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.)
Valeo Klimasysteme GmbH
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Valeo Klimasysteme 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.)
Filing date
Publication date
Application filed by DaimlerChrysler AG, Valeo Klimasysteme GmbH filed Critical DaimlerChrysler AG
Publication of EP0800000A1 publication Critical patent/EP0800000A1/en
Application granted granted Critical
Publication of EP0800000B1 publication Critical patent/EP0800000B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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

Abstract

The fan has a motor holder (3) for an electric motor with protruding arms (4) attached via damping elements (7) to the fan inlet ring (10) and fan housing. The attachment points between the inlet ring and fan housing and/or the system housing are separate from the attachments between the motor holder and inlet ring. The attachment between the motor holder and the inlet ring has the damping elements.

Description

Die Erfindung betrifft ein Gebläse in Radialbauweise einer Heizungs- und/oder Klimaanlage, insbesondere eines Kraftfahrzeugs mit einem den Elektromotor haltenden Motorhalter, an dem außen Arme vorstehen, die über Dämpfungselemente am Gebläseeinlaufring und ferner am Gebläsegehäuse befestigt sind.The invention relates to a fan in radial construction of a Heating and / or air conditioning, in particular one Motor vehicle with a holding the electric motor Motor holder, on the outside arms protrude, over Damping elements on the fan inlet ring and further on Blower housing are attached.

Es ist bekannt siche US-A-5.052.888, einen Motorhalter eines Radialgebläses zusammen mit dem Einlaufring am Gebläsegehäuse zu befestigen. Hierbei sind Dämpfungselemente an den Befestigungsstellen zwischen Motorhalter und Einlaufring angeordnet. Es hat sich gezeigt, daß diese Konstruktion nicht ausreicht, um vom Elektromotor und Lüfterrad erzeugte Schwingungen zu eliminieren, so daß die Schwingungen im Kraftfahrzeuginneren zu stark hörbar sind.It is known from US-A-5 052 888, a motor mount of a radial fan together with the inlet ring on the blower housing Fasten. Here are damping elements to the Mounting points between engine mount and inlet ring arranged. It has been shown that this construction not enough to get off the electric motor and fan to eliminate generated vibrations, so that the Vibrations in the vehicle interior are too audible.

Aufgabe der Erfindung ist es, ein Gebläse der eingangs genannten Art so zu verbessern, daß Schwingungen des Motors und Lüfterrades nicht auf außen angeschlossene Teile übertragen werden. The object of the invention is to provide a fan of the above mentioned type to improve so that vibrations of the Motors and fan wheel not connected to the outside Parts are transferred.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Befestigungsstellen zwischen Einlaufring und Gebläsegehäuse und/oder Anlagengehäuse getrennt von den Befestigungen zwischen dem Motorhalter und dem Einlaufring angeordnet sind, und daß die Befestigung zwischen dem Motorhalter und dem Einlaufring die Dämpfungselemente aufweisen.This object is achieved in that the attachment points between inlet ring and Blower housing and / or plant housing separate from the Attachments between the engine mount and the Inlet ring are arranged, and that the attachment between the engine mount and the inlet ring the Have damping elements.

Bei einer solchen Konstruktion werden Schwingungen des Motors und Lüfterrades nicht auf das Gebläsegehäuse und damit auch nicht auf das Gehäuse der Heizungs-/ Klimaanlage und die Karosserie übertragen. Die von dem Gebläse erzeugten Schwingungen sind damit im Kraftfahrzeuginneren kaum wahrnehmbar. Hierbei ist die Konstruktion einfach und von kleinen Außenabmessungen.In such a construction, vibrations of the Motors and fan wheel not on the fan housing and so that not on the housing of the heating / Air conditioning and the bodywork transferred. The one of the Blower generated vibrations are thus in the vehicle interior barely noticeable. Here is the Construction simple and of small external dimensions.

Vorzugsweise wird hierzu vorgeschlagen, daß die Befestigungen zwischen Einlaufring und Gebläse bzw. Anlagengehäuse an der Außenseite des Einlaufrings und die Befestigung zwischen Motorhalter und Einlaufring an der Innenseite des Einlaufrings angeordnet sind. Hierdurch sind die Dämpfungselemente weit nach innen gerückt und dann nahe der Entstehung der Schwingungen, so daß sie optimal aufgefangen werden.Preferably, it is proposed for this purpose that the Attachments between inlet ring and blower or Plant housing on the outside of the inlet ring and the Mounting between engine mount and inlet ring on the Inside the inlet ring are arranged. hereby the damping elements are far inward and then near the origin of the vibrations, so that they be optimally caught.

Besonders vorteilhaft ist es, wenn die Dämpfungselemente der Befestigung zwischen dem Motorhalter und dem Einlaufring zapfen- oder stiftförmig sind und mit einer Seite formschlüssig in Öffnungen der Arme des Motorhalters und mit der anderen Seite in Öffnungen des Einlaufrings gehalten sind. Damit wird die Befestigung zwischen Motorhalter und Einlaufring allein durch die Dämpfungselemente vorgenommen, ohne zusätzliche Befestigungsmittel wie z.B. Schrauben zu erfordern. Hierbei ist von Vorteil, wenn das zylindrische Dämpfungselement an beiden Enden koaxiale Ringnuten aufweist, mit denen es in Bohrungen/Öffnungen des Motorhalters und des Einlaufrings einliegt.It is particularly advantageous if the damping elements the attachment between the engine holder and the Inlet ring are pin or pin-shaped and with a Form-fitting in openings of the arms of the Motor holder and with the other side in openings of the Inlet ring are held. This will be the attachment between engine mount and inlet ring alone through the Damping elements made without additional Fasteners such as e.g. To require screws. It is advantageous if the cylindrical Damping element at both ends coaxial annular grooves having it in holes / openings of the Motor holder and the inlet ring rests.

Vorzugsweise wird vorgeschlagen, daß die Achse des zylindrischen Dämpfungselements parallel zur Motorachse ist. Eine zusätzliche Sicherung der Befestigung der Dämpfungselemente wird dann erreicht, wenn das Dämpfungselement zumindest an einem seiner Enden von einer Rastkappe umgeben ist, die den Halt des Dämpfungselements in der Bohrung/Öffnung sichert.It is preferably proposed that the axis of the cylindrical damping element parallel to the motor axis is. An additional securing the attachment of Damping elements is achieved when the Damping element at least at one of its ends of is surrounded by a locking cap, which stops the Damping element in the bore / opening secures.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben. Es zeigen:

Figur 1
eine Seitenansicht des Gebläses mit Motorhalter und Einlaufring,
Figur 2
einen axialen Schnitt im Bereich eines Dämpfungselementes und
Figur 3
einen axialen Schnitt durch eine Rastkappe.
Embodiments of the invention are illustrated in the drawings and will be described in more detail below. Show it:
FIG. 1
a side view of the fan with motor holder and inlet ring,
FIG. 2
an axial section in the region of a damping element and
FIG. 3
an axial section through a locking cap.

Ein nicht dargestellter Elektromotor mit der Achse 1 treibt ein nicht dargestelltes Laufrad eines Gebläses 2 an, das die Luft axial ansaugt und radial abgibt. Das Laufrad umgibt hierbei den Elektromotor koaxial.An unillustrated electric motor with the axis. 1 drives an unillustrated impeller of a blower 2 on, which draws in the air axially and gives off radially. The Impeller surrounds the electric motor coaxial.

Der Elektromotor ist von einem zylindrischen, insbesondere topfförmigen Motorhalter 3 koaxial umgehen, der auf der Seite, mit der das Gebläse an einer Heizungsund/oder Klimaanlage eines Kraftfahrzeugs befestigt wird, drei radiale Arme 4 aufweist, die am Motorhalter 3 angeformt sind. In jedem Arm 4 ist eine kreisrunde Öffnung 5 eingebracht, deren Rand in einer Ringnut 6 eines elastischen Dämpfungselementes 7, insbesondere aus Gummi oder Weichkunststoff liegt.The electric motor is of a cylindrical, especially cup-shaped motor holder 3 coaxially handle, the on the side with which the blower is connected to a heating and / or Air conditioning system of a motor vehicle is attached, has three radial arms 4, which on the motor holder. 3 are formed. In each arm 4 is a circular Opening 5 introduced, the edge in an annular groove. 6 an elastic damping element 7, in particular from Rubber or soft plastic lies.

Das zapfen- oder stiftförmige Dämpfungselement 7 weist eine größere axiale Länge L als Breite bzw. Durchmesser D auf. Es besitzt an beiden Enden jeweils eine Ringnut 6, wobei in der zweiten Ringnut der Rand einer Öffnung 8 einliegt, die in einem Vorsprung 9 eines Einlaufringes 10 angeordnet ist. Das Dämpfungselement 7 bildet somit eine Verbindung zwischen dem Arm 4 des Motorhalters 3 und dem Vorsprung 9 des Einlaufringes 10, ohne daß an dieser Verbindungsstelle weitere Befestigungsmittel wie Schrauben erforderlich sind. Allein durch die formschlüssigen Verbindungen der zwei Teile 4 und 9 über die zwei Ringnuten 6 an beiden Enden des Dämpfungselementes 7 wird ein sicherer und schwingungsmindernder Halt erreicht.The pin or pin-shaped damping element 7 has a greater axial length L than width or diameter D. on. It has at both ends in each case an annular groove 6, wherein in the second annular groove, the edge of an opening. 8 rests in a projection 9 of an inlet ring 10th is arranged. The damping element 7 thus forms a Connection between the arm 4 of the motor holder 3 and the Projection 9 of the inlet ring 10, without that at this Joint further fasteners such as Screws are required. Alone by the positive connections of the two parts 4 and 9 via the two annular grooves 6 at both ends of the damping element 7 becomes a safe and vibration-reducing Stop reached.

Hierbei liegen die Dämpfungselemente 7 im inneren Bereich des metallenen Einlaufringes 10, während die Befestigungsstellen des Einlaufringes 10 an der Heizungsund/oder Klimaanlage, insbesondere an dessen Gehäuse außen liegen. Diese äußeren Befestigungsstellen werden durch vier Arme 11 geschaffen, die an der Außenseite des Einlaufringes 10 radial angeformt sind. Die drei Arme 4 des Motorhalters 3 liegen in Winkelstellungen, die nicht mit den vier Armen 11 übereinstimmen. Dies führt zu einer weiteren Verminderung einer Übertragung von Schwingungen.Here are the damping elements 7 in the inner region the metal inlet ring 10, while the Attachment points of the inlet ring 10 to the heating and / or Air conditioning, in particular on the housing lie outside. These outer attachment points will be created by four arms 11 on the outside of the Inlet ring 10 are formed radially. The three arms 4 the motor holder 3 are in angular positions that are not to match the four arms 11. This leads to a further reduction of transmission of vibrations.

Um den Halt des Dämpfungselementes 7 in der Öffnung 5 des Armes 4 zu verbessern, können an dieser Stelle Rastkappen 12 befestigt sein, die als zusätzliche Sicherung dienen. Diese Rastkappen übergreifen ein Ende des Dämpfungselementes 4 und durchgreifen die Öffnung 5.To the stop of the damping element 7 in the opening 5 of the Poor 4 can improve, at this point locking caps 12 attached, which serve as an additional backup. These locking caps overlap one end of the Damping element 4 and pass through the opening. 5

Claims (6)

  1. A centrifugal fan of a heating and/or air conditioning unit of a vehicle with a motor mount (3) holding the electric motor, said motor mount (3) having, projecting on the outside, arms (4) which are fastened to the fan inlet ring (10) by means of anti-vibration elements (7) and also to the fan housing, characterized in that the fastening points between inlet ring (10) and fan housing and/or unit housing are arranged separately from the fastenings between the motor mount (3) and the inlet ring (10) and that the fastenings between the motor mount (3) and the inlet ring (10) have the anti-vibration elements (7).
  2. A fan according to claim 1, characterized in that the fastenings between inlet ring (10) and fan and/or unit housing are arranged on the outer side of the inlet ring and the fastenings between motor mount (3) and inlet ring (10) are arranged on the inner side of the inlet ring.
  3. A fan according to claim 1 or 2, characterized in that the anti-vibration elements (7) of the fastenings between the motor mount (3) and the inlet ring (10) are shaped as studs or pins and are held by positive locking at one end in apertures (5) of the arms (4) of the motor mount (3) and at the other end in apertures (8) of the inlet ring (10).
  4. A fan according to claim 3, characterized in that the cylindrical anti-vibration element (7) has at both ends coaxial annular grooves (6) by means of which it lies within bores/apertures (5, 8) of the motor mount (3) and of the inlet ring (10).
  5. A fan according to any of the preceding claims, characterized in that the axis of the cylindrical anti-vibration element (7) is parallel to the motor axis (1).
  6. A fan according to any of the preceding claims, characterized in that the anti-vibration element (7) is surrounded at least at one of its ends by a snap-fit cap (12) securing the anti-vibration element (7) in the bore/aperture (5 and/or 8).
EP97105437A 1996-04-01 1997-04-01 Fan for a heating and/or air conditioning system Expired - Lifetime EP0800000B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613041 1996-04-01
DE19613041A DE19613041A1 (en) 1996-04-01 1996-04-01 Blower of a heating and / or air conditioning system

Publications (2)

Publication Number Publication Date
EP0800000A1 EP0800000A1 (en) 1997-10-08
EP0800000B1 true EP0800000B1 (en) 2003-08-20

Family

ID=7790182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105437A Expired - Lifetime EP0800000B1 (en) 1996-04-01 1997-04-01 Fan for a heating and/or air conditioning system

Country Status (3)

Country Link
EP (1) EP0800000B1 (en)
AT (1) ATE247782T1 (en)
DE (2) DE19613041A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2874414A1 (en) 2004-08-17 2006-02-24 Valeo Climatisation Sa SUPPORT EQUIPPED WITH VIBRATION ABSORPTION MEANS FOR A PULSE ENGINE

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20201601U1 (en) * 2002-02-02 2003-06-18 Ebm Werke Gmbh & Co Kg Vibration-isolating bracket of an electric motor
KR20050099352A (en) 2004-04-09 2005-10-13 엘지전자 주식회사 Front suction/discharge type outdoor unit for air conditioner
US7958741B2 (en) 2006-04-12 2011-06-14 Delphi Technologies, Inc. Integrally molded motor isolation system
DE102006035583A1 (en) 2006-07-31 2008-02-07 Valeo Klimasysteme Gmbh Device for mounting an electric fan drive motor on the housing of a heating, ventilation and / or air conditioning for vehicles
DE102017216646A1 (en) * 2017-09-20 2019-03-21 Bühler Motor GmbH drive

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB441385A (en) * 1934-07-18 1936-01-20 Watkins & Watson Ltd Improvements in and connected with electric fans, blowers and the like
US3145910A (en) * 1961-06-05 1964-08-25 Nutone Inc Spring mount for fan motor of ventilating equipment
FR1421010A (en) * 1964-03-12 1965-12-10 Karl Heinkel Appbau K G Bearing support for fan drums
DE1428037A1 (en) * 1964-05-16 1968-11-28 Bahco Ab Fan with vibration-absorbing suspension
GB1195295A (en) * 1967-12-08 1970-06-17 Smiths Industries Ltd Improvements in or relating to Centrifugal Fans and Blowers
GB1203515A (en) * 1968-01-23 1970-08-26 Smiths Industries Ltd Improvements in or relating to fans, blowers and the like
US3803690A (en) * 1971-03-31 1974-04-16 Carrier Corp Centrifugal fan
DE2215473C3 (en) * 1972-03-29 1980-12-18 Standard Elektrik Lorenz Ag, 7000 Stuttgart Self-vibration damped, low-noise radial fan
US5052888A (en) * 1990-07-11 1991-10-01 Ibm Corporation DC motor driven centrifugal fan
IT1265782B1 (en) * 1992-10-28 1996-12-02 Fime Fab It Motor Elett BARGICENTRIC SUPPORT FOR BALANCING THE MOTOR- IMPELLER UNIT INSTALLED ON SEALED COMBUSTION CHAMBER BOILERS
DE4329804A1 (en) * 1993-09-03 1995-03-09 Behr Gmbh & Co Holder for an electric motor, in particular for a fan wheel of a heating or air conditioning system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2874414A1 (en) 2004-08-17 2006-02-24 Valeo Climatisation Sa SUPPORT EQUIPPED WITH VIBRATION ABSORPTION MEANS FOR A PULSE ENGINE
EP1634737A1 (en) 2004-08-17 2006-03-15 Valeo Systemes Thermiques Support equipped with vibration absorbing means for a fan motor
US7510164B2 (en) 2004-08-17 2009-03-31 Valeo Climatisation S.A. Support equipped with vibration-absorbing means for a blower motor

Also Published As

Publication number Publication date
DE19613041A1 (en) 1997-10-02
DE59710596D1 (en) 2003-09-25
EP0800000A1 (en) 1997-10-08
ATE247782T1 (en) 2003-09-15

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