WO2010133428A1 - Ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur et procédé permettant de monter cet ensemble arbre-ventilateur - Google Patents

Ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur et procédé permettant de monter cet ensemble arbre-ventilateur Download PDF

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Publication number
WO2010133428A1
WO2010133428A1 PCT/EP2010/055668 EP2010055668W WO2010133428A1 WO 2010133428 A1 WO2010133428 A1 WO 2010133428A1 EP 2010055668 W EP2010055668 W EP 2010055668W WO 2010133428 A1 WO2010133428 A1 WO 2010133428A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
fan
driver
shaft connection
torque
Prior art date
Application number
PCT/EP2010/055668
Other languages
German (de)
English (en)
Inventor
Julien Casagrande
Markus Liedel
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN2010800220957A priority Critical patent/CN102439319A/zh
Priority to BRPI1013064A priority patent/BRPI1013064A2/pt
Priority to EP10717118A priority patent/EP2433013A1/fr
Publication of WO2010133428A1 publication Critical patent/WO2010133428A1/fr

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts

Definitions

  • Fan-shaft connection for a cooling fan of a motor vehicle and method for mounting a fan-shaft connection
  • the invention relates to a fan-shaft connection and a method for mounting a fan-shaft connection for a cooling fan of an internal combustion engine of a motor vehicle.
  • the cooling fan preferably has a low blower power.
  • the prior art discloses a cooling fan for low-blown combustion engines, which comprises at least four components: a motor shaft providing a contour for a torque-transmitting driver and a receiving contour for a C-CNp; a fan with fan hub, which provides a contour for torque transmission and a snug fit of the fan on the motor shaft; the driver, which transmits only the torque from the shaft to the fan and serves as a spacer; and the C-CNp, which acts as a resilient, metallic
  • Clip is formed, which secures the fan-shaft connection against loosening and serves as an axial tolerance compensation.
  • Higher torques are transmitted in particular by means of pressed, sintered, expensive drivers, which are designed as a three-arm, tripod or insert.
  • Such connections require special due to the high pressure forces of the driver on the motor shaft
  • the fan-shaft connection is preferably designed for low fan performance and to the requirements of the emerging markets, such as. As a simple and robust design, adapted.
  • the object of the invention is achieved by means of a fan-shaft connection for a cooling fan of a motor vehicle, according to claim 1, and by a method for mounting a fan-shaft connection for a cooling fan of a motor vehicle, according to claim 12.
  • the fan-shaft connection comprises a shaft, a rotatably connected to the shaft driver and one on the
  • Shaft-mounted fan which is non-rotatably connected to the driver and thus rotatably connected to the shaft.
  • the driver is arranged and connected to the shaft, that the driver and the fan is mounted in a longitudinal direction of the fan-shaft connection to the shaft.
  • a fan is first attached to a shaft and rotatably connected to the shaft by a driver which is rotatably connected to the shaft.
  • the driver is plugged into a connection region of the fan with the shaft such that the fan and the driver is supported in a longitudinal direction of the fan-shaft connection to the shaft.
  • the erfindunstraunstrae fan-shaft connection has apart from an optional abutment for the fan only three components: the shaft or motor shaft, the driver and the fan.
  • the driver with the
  • the Shaft, and the driver with the fan each prefers a positive connection, wherein there is at least one positive connection for a longitudinal direction and a radial direction in each case.
  • the fan sits with no or preferably only a small radial clearance on the shaft.
  • the driver engages in a fixing device in the shaft, wherein the driver is seated on a radial region of the fixing device, and thereby the driver and the fan in the longitudinal direction of the fan-shaft connection are fixed to the shaft.
  • the radial region of the fixing device is a substantially planar or trough-shaped inner end wall of the shaft.
  • the fixing device of the shaft via the driver with a fixing device of the fan is mechanically coupled so that a torque can be transmitted by the two fixing devices.
  • the fixing device of the shaft or of the fan can be a torque transmission surface which extends substantially in the radial direction of the shaft or of the fan and to which in each case a torque-contact surface of the driver corresponding thereto at least in sections is seated.
  • the torque transmission surface of the shaft is an inner side wall of a lateral recess, in particular a lateral milled recess, in the shaft, or an inner wall of a bore, in particular a radial bore, through the shaft.
  • the torque transmission surface of the fan is preferably a side wall of a survey, in particular a rib.
  • the driver is designed as a clamping disk with a slot, wherein an inner side of the slot acts as a torque-bearing surface with the shaft, and an outer side of the clamping disk as a torque-bearing surface with the fan.
  • the driver is designed as a tensioning pin or a gravity pin, wherein preferably a center portion of the tensioning pin or the tensioning pin as a torque-bearing surface with the shaft and a longitudinal end portion of the tensioning pin or the tensioning pin as a torque-bearing surface the fan acts.
  • the driver can be secured against sliding down from its assembly with the shaft and the fan, by means of a snap hook or by means of two radially opposite snap hooks in the fan.
  • the invention is not limited to the automotive sector, but can also be applied to other areas, such. B. heating fan or a hood can be applied.
  • a component namely the C-CNp, omitted, since the function of torque transfer to the fan and axial positioning of the fan on the shaft are both realized by the driver.
  • the inventive fastening concept allows manual installation without additional aids and can therefore be used worldwide without much effort. Due to the elimination of quality-consuming sintered parts (corrosion, pore density, etc.) or the C-clip (hardness, hydrogen embrittlement, etc.), the procurement of the individual components of the fan mounting according to the invention can be located more easily.
  • Figure 1 is a partially sectioned side view of a first embodiment of a fan-shaft connection according to the invention.
  • Fig. 2 is a plan view of the fan-shaft connection of Fig. 1;
  • FIG. 3 is a top and a sectional side view of a first assembly step of the fan-shaft connection according to the invention from FIG. 1; 4 shows a beginning of a second assembly step of the fan-shaft connection of FIG. 1; Figure 5 is a continued second assembly step of the assembly of the fan-shaft connection of Fig. 4.
  • FIGS. 4 and 5 shows a conclusion of the second assembly step of the assembly of the fan-shaft connection of FIGS. 4 and 5;
  • Fig. 7 is a plan view of a first modification of the first embodiment of the fan-shaft connection
  • Fig. 8 is a plan view of a second modification of the first embodiment of the fan-shaft connection
  • FIG. 9 is a plan view of a modification of a driver according to the invention of the first embodiment of the fan-shaft connection.
  • 10 is a top and a sectional side view of a second embodiment of a fan-shaft connection according to the invention; and Fig. 1 1 in a top and a sectional side view of a modification of the second embodiment of the fan-shaft connection.
  • the embodiments of the fan-shaft connection 1 or fan attachment 1 according to the invention shown in the drawing each have - apart from a preferably designed as a ball bearing 40 abutment 40 for a fan 30 - only three components.
  • the fan 30 with one or a plurality of fan blades 300 and a fan hub 310, which has a contact surface for transmitting torque, the so-called torque transmission surface 313, - to a fixing device 31 1 z.
  • B. a snap hook 320 - has to secure a driver 20 against its release.
  • the driver 20 with a simple geometry to transmit the torque from a motor shaft 10 to the fan hub 310 -.
  • the motor shaft 10 with a matching contour on the free longitudinal end portion 100 for mounting and mounting of the driver 20, and for torque transmission -.
  • B. fixing 1 1 1 as a lateral recess 15 (first embodiment) or bore 1 16 (first embodiment) is formed.
  • the term fan 30 should also include the term fan hub 310, possibly with separate fan blades 300, or vice versa.
  • a fan hub 310 according to the invention in this case has at a free end of a motor shaft 10 facing the end of a fixing device 31 1, which is designed as a rib 31 1 or a survey 31 1 of the fan hub 310 wegierd.
  • Two such fixing devices 31 1 are preferably provided opposite one another with respect to the motor shaft 10. These two fixing devices 31 1 preferably have mutually parallel torque transmission surfaces 313, which also extend in the longitudinal direction L of the fan-shaft connection 1 and which have a torque via the fixing device. directions 31 1 in the fan hub 310 can initiate.
  • the motor shaft 10 Preferably parallel (mounting state) to the one or more torque-transmitting surfaces 313 of the fan hub 310, the motor shaft 10 also has one or a plurality of torque transmission surfaces 1 12, which are formed by a fixing device 1 1 1 of the motor shaft 10. In the present case, these are or are this inner side walls 1 12 a (side) recess 15 or a (lateral) Einfräsung 1 15 in the motor shaft 10.
  • a specially shaped driver 20 is pushed in between such that this at least partially positive fit against the torque transmission surfaces 1 12, 313 of the motor shaft 10 and the fan 30, for which the driver 20 each torque-engaging surfaces 212, 213 has , So that the driver 20 does not slip from the motor shaft 10, it engages behind the motor shaft 10 on an inner end wall 1 18 of the fixing device 1 1 1.
  • This inner end wall 1 18 is in the present embodiment, a planar radial region 1 18 of the
  • the driver 20 is formed as a clamping plate 22, wherein the inner sides of a slot 220 in the driver 20, the torque-bearing surfaces 212 with the motor shaft 10, and two mutually parallel outer sides of the torque-bearing surfaces 213 with the Fan 30 form.
  • Fig. 9 shows a modified driver 20, which allows easier installation.
  • insertion bevels 232, 234 provided on the slot 220 and on the outer contour of the driver 20, on the one hand threading of the driver 20 between the torque transmission surfaces 313 of the fan hub 310 and on the other hand threading the driver 20 on the torque transmission surfaces 1 12 of the motor shaft 10 to facilitate.
  • the flat clamping disc 22 may be curved in its planar extension, so that it sits with a certain axial bias between the motor shaft 10 and the fan 30.
  • the driver 20 is not by itself from its clamping compound with the
  • the fan hub 310 has a snap hook 320, which preferably extends substantially in the radial direction R of the fan-shaft connection 1 and resilient in the longitudinal direction L. is trained. However, it is possible to provide a fixed snap hook 320 on the fan hub 310, behind which the catch 20 snaps during assembly. If the fan-shaft connection 1 is mounted, then the driver 20 is moved radially through its slot bottom and the snap hook 320 cooperating therewith, and axially through the radial region 118 of the fixing device 11
  • the fan hub 310 is fitted with adapted geometry on the motor shaft 10, wherein an axial stop of the fan 30 by a dome geometry on
  • Fan 30 and the abutment 40 on a motor 50 (Fig. 1) is defined (Fig. 3). Subsequently, the position of the fan hub 310 is aligned on the shaft 10 to allow the mounting of the driver 20 (FIGS. 3, 4) with the snap hook 320 being urged toward the motor 50. The driver 20 is thereby positioned between the torque transmission surfaces 313 of the fan hub 310 (FIG. 4). Subsequently, an assembly of the driver 20 by moving the driver 20 to the motor shaft 10, wherein the driver 20 between the torque transmission surfaces 1 12, 313 of the motor shaft 10 and the fan 30 is positioned (Fig. 5).
  • the driver 20 is pushed so far until the geometry for securing the position, in the present example the snap-action hooks 320, can ensure its function, ie. H. snaps back (Fig. 6).
  • This assembly process also applies to the second embodiment of the invention.
  • Figs. 7 and 8 show modifications of the first embodiment of the invention.
  • Fig. 7 shows in the mating region of the driver 20, two opposing snap hooks 320, which are preferably arranged substantially parallel to the torque transmission surfaces 313 of the fan 30.
  • the driver 20 is coming from two sides in the plug-in area between see motor shaft 10 and fan hub 310 personallywegbar, creating a simpler
  • the driver 20 is a clamping pin 24 and the fixing device 1 1 1 of the motor shaft 10 has a bore 1 16, which is preferably formed as a radial bore 1 16.
  • the fan 30 preferably has in each case as a rib 31 1 or elevation 31 1 formed and compared to the first embodiment closer stationary fixing 31 1, wherein a distance of the preferably mutually parallel torque transmission surfaces 313 of the fixing means 31 1 is substantially a diameter of Tension pin 24 and the bore 1 16 corresponds.
  • the fixing devices 31 1 of the fan hub 310 are excluded in the region of a bore for the motor shaft 10.
  • the clamping pin 24 is inserted radially through the bore 1 16 in the motor shaft 10, held in this with its center portion and received between the two fixing devices 31 1 of the fan hub 310.
  • the torque is transmitted via the lateral bore walls (not visible in the drawing) on the dowel pin 24 and from this as in the first embodiment on the fixing means 31 1 of the fan 30 transmitted.
  • the clamping pin 24 is received with a small clearance in the bore 1 16 of the motor shaft 10.
  • the fan hub 310 has snap-in hooks 320 between the fixing devices 31 1 or at the intermediate region of the fixing devices 31, which can be designed as explained above.
  • the first snap hook 320 is released again and snaps back, the clamping pin 24 is radially and axially with a small clearance between the motor shaft 10 and the fan 30 is received and locks these two together.
  • a Schwerspannstatt 24 is used. This has in its longitudinal direction on a spring slot 240, whereby the tensioning pin 24 is resiliently designed in its radial direction. In a relaxed state, the diameter of the tensioning pin 24 is greater than that of the bore 116. When mounting the tensioning pin 24, this is radially compressed, introduced into the bore 1 16 and then relaxes in the bore 1 16 as far as it allows. As a result, the tensioning pin 24 sits self-locking in the bore 116th

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur, en particulier de faible puissance, comprenant un arbre (10), un élément d'entraînement (20) fixé de manière solidaire en rotation avec l'arbre (10) et un ventilateur (30) placé sur l'arbre (10) et fixé de manière solidaire en rotation avec l'élément d'entraînement (20) et, par conséquent, avec l'arbre (10). Selon l'invention, l'élément d'entraînement (20) s'engage de telle manière dans l'arbre (10) que cet élément et, par conséquent, également le ventilateur (30) sont fixés à l'arbre (10) dans un sens longitudinal de l'ensemble arbre-ventilateur. L'invention concerne en outre un procédé permettant de monter un ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur, en particulier de faible puissance, un ventilateur (30) étant monté sur un arbre (10) et étant fixé de manière solidaire en rotation avec l'arbre (10) par un élément d'entraînement (20) relié à l'arbre (10) de manière solidaire en rotation, l'élément d'entraînement (20) étant enfiché radialement dans une zone de liaison du ventilateur (30) et de l'arbre (10), l'élément d'entraînement (20) s'engageant dans l'arbre (10) de telle manière que le ventilateur (30) est fixé à l'arbre (10), dans le sens longitudinal de l'ensemble arbre-ventilateur.
PCT/EP2010/055668 2009-05-20 2010-04-28 Ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur et procédé permettant de monter cet ensemble arbre-ventilateur WO2010133428A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2010800220957A CN102439319A (zh) 2009-05-20 2010-04-28 机动车冷却风机的风扇-轴联接机构及风扇-轴联接机构的安装方法
BRPI1013064A BRPI1013064A2 (pt) 2009-05-20 2010-04-28 conexão de ventoinha-eixo para ventoinha de resfriamento de um veículo automotor, bem com processo para montagem de uma conexão de ventoinha-eixo
EP10717118A EP2433013A1 (fr) 2009-05-20 2010-04-28 Ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur et procédé permettant de monter cet ensemble arbre-ventilateur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009003271.1 2009-05-20
DE200910003271 DE102009003271A1 (de) 2009-05-20 2009-05-20 Lüfter-Welle-Verbindung für ein Kühlgebläse eines Kraftfahrzeugs, sowie Verfahren zum Montieren einer Lüfter-Welle-Verbindung

Publications (1)

Publication Number Publication Date
WO2010133428A1 true WO2010133428A1 (fr) 2010-11-25

Family

ID=42738869

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/055668 WO2010133428A1 (fr) 2009-05-20 2010-04-28 Ensemble arbre-ventilateur pour un ventilateur de refroidissement d'un véhicule à moteur et procédé permettant de monter cet ensemble arbre-ventilateur

Country Status (5)

Country Link
EP (1) EP2433013A1 (fr)
CN (1) CN102439319A (fr)
BR (1) BRPI1013064A2 (fr)
DE (1) DE102009003271A1 (fr)
WO (1) WO2010133428A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9157495B2 (en) * 2013-10-24 2015-10-13 Ford Global Technologies, Llc Torque converter having integrated flex plate for hybrid electric vehicle
CN103850986B (zh) * 2014-03-28 2016-08-17 浙江泰达微电机有限公司 一种微电机的风叶托

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264016A (en) * 1963-09-10 1966-08-02 Gen Electric Hub and shaft coupling
FR2388161A1 (fr) * 1977-04-18 1978-11-17 Ferodo Sa Dispositif de fixation d'une piece sur un arbre tournant
US4767233A (en) * 1987-03-20 1988-08-30 Dresser Industries, Inc. Impeller mounting apparatus
DE3907933A1 (de) * 1989-03-11 1990-09-20 Webasto Ag Fahrzeugtechnik Formschluessige wellen-naben-verbindung
EP0425040A2 (fr) * 1989-10-25 1991-05-02 Whirlpool International B.V. Appareil pour accoupler un ventilateur à son arbre d'entraînement, particulièrement dans les fours électriques du type ménager
DE102005053548A1 (de) * 2005-11-08 2007-05-16 Sew Eurodrive Gmbh & Co Elektromotor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5871335A (en) * 1995-10-31 1999-02-16 Siemens Electric Limited Twist-lock attachment system for a cooling fan and motor
KR100868711B1 (ko) * 1999-10-29 2008-11-13 로버트 보쉬 코포레이션 자동차용 팬 모터를 하우징에 연결하는 마운트

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264016A (en) * 1963-09-10 1966-08-02 Gen Electric Hub and shaft coupling
FR2388161A1 (fr) * 1977-04-18 1978-11-17 Ferodo Sa Dispositif de fixation d'une piece sur un arbre tournant
US4767233A (en) * 1987-03-20 1988-08-30 Dresser Industries, Inc. Impeller mounting apparatus
DE3907933A1 (de) * 1989-03-11 1990-09-20 Webasto Ag Fahrzeugtechnik Formschluessige wellen-naben-verbindung
EP0425040A2 (fr) * 1989-10-25 1991-05-02 Whirlpool International B.V. Appareil pour accoupler un ventilateur à son arbre d'entraînement, particulièrement dans les fours électriques du type ménager
DE102005053548A1 (de) * 2005-11-08 2007-05-16 Sew Eurodrive Gmbh & Co Elektromotor

Also Published As

Publication number Publication date
BRPI1013064A2 (pt) 2019-07-09
DE102009003271A1 (de) 2010-11-25
CN102439319A (zh) 2012-05-02
EP2433013A1 (fr) 2012-03-28

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