EP0910758A1 - Dispositif regulateur de couple pour engrenages - Google Patents
Dispositif regulateur de couple pour engrenagesInfo
- Publication number
- EP0910758A1 EP0910758A1 EP96925219A EP96925219A EP0910758A1 EP 0910758 A1 EP0910758 A1 EP 0910758A1 EP 96925219 A EP96925219 A EP 96925219A EP 96925219 A EP96925219 A EP 96925219A EP 0910758 A1 EP0910758 A1 EP 0910758A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- face gears
- pair
- face
- motor
- gears
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0015—Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic
-
- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
-
- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
Definitions
- the present invention refers to a torque-equalizing device for gear mechanisms, driven together and acting on the same ob- ]ect and preferably of the kind including two opposed plane crown wheels or so-called face gears for commonly driving a vehicle wheel or the like, and coupled together through a pair of mutually meshing pinions, one of which s connected with a driving motor mounted in the vehicle chassis or the like.
- Gear mechanisms of the aforementioned kind recently have been developed and in many cases in connection therewith the tooth-play in the meshing between the wheels and pinions needs to be eliminated.
- the present invention has for an object to eliminate such tooth-play, particularly in connection with gear mechanisms disclosed in WO 95/16151 although the inventive device well might be used in other constructions for filling similar purposes .
- the present invention is distinguished substantially in that m the power train from the vehicle chassis to the pair of face gears are mounted equalizing means allowing a limited relative angular movement between some of the members of said power train.
- Fig. 1 is a diametrical section through the inventive device as applied to a gear device in which a vehicle wheel, illustrated only by a wheel rim, is driven by means of two face gears meshing through a pair of pinions, one of which is driven from a non-illustrated motor
- Fig. 2 is a sectioned detail view of the arrangement according to Fig. 1
- Fig. 3 is another cross sectional view of a vehicle wheel drive device similar to Fig. 1, in wnich however the driving motor is mounted angularly movable around ts longitudinal axis
- Fig. 4 illustrates another embodiment of the inventive device
- Fig. 1 is a diametrical section through the inventive device as applied to a gear device in which a vehicle wheel, illustrated only by a wheel rim, is driven by means of two face gears meshing through a pair of pinions, one of which is driven from a non-illustrated motor
- Fig. 2 is a sectioned detail view of the arrangement according
- FIG. 4a being a detail view of the arrangement in Fig. 4 and Fig. 4b another detail view similar to Fig. 4a but of still another embodiment of the inventive device.
- the present invention as applied to the drive tram of a vehicle wheel having a wheel rim 1 which is secured to a wheel hub 2.
- Said hub 2 is rotably jour- nalled through suitable roller bearings on a casing 3
- Within said hub 2 is housed a pair of crown wheels 2a, 2b of a known gear device and being of plane type, i.e. face gears.
- the casing 3 extends axially through the central portions of said pair of crown wheels 2a, 2b and of the hub 2.
- the casing 3 houses a drive motor 4.
- the drive motor 4 in the present case is thought to be a hydraulic motor and therefore comprises suitable hydraulic connections 7, 8 to a hydraulic system within the vehicle comprising a hydraulic pump.
- the motor 4 also might be an electric motor of suitable kind having corresponding electric connections 7 and 8 to a generator or an accumulator in the vehicle .
- the output shaft 9 of the driving motor 4 is provided with a gear or pinion 10 which in this case is constituted by a cylindrical gear adapted to co-operate with the face gear 2a.
- the shaft 9 thereby lies on a line which s parallel to a radius of the face gear 2a and at a suitable spacing from the toothed surface of the face gear in order to mesh with the teeth thereof .
- the second face or crown wheel 2b is mounted -coaxially with and opposed to said first crown wheel or face gear 2a and meshes with the first pinion 10 through an intermediary second pinion 11 which, of course, also is a cylindrical gear in the present case and mounted on an axis which is parallel to the shaft 9 and is freely rotatably journalled in the casing 3.
- the present invention sug- gests that in the power train from the vehicle chassis to the pair of face gears 2a, 2b are mounted equalizing means which allow a limited relative angular movement between some of the members of said power train.
- said equalizing means may take various forms such as will be de- scribed in detail in the following.
- the equalizing means comprise a number of link pins 21 oriented at right angles to the planes of the face gears 2a, 2b, and equally circu ferentially spaced and at each end loosely seated in bores 22 in the respective face gear.
- the number of pins is at least two but preferably three or more.
- the loose fit of the pins in the bores 22 is to be selected such that the necessary mutual angular movement between the two face gears 2a, 2b will be allowed.
- the respective link pin 21 is to pass with a suitable play through a corresponding hole 23 in a radially inwardly directed flange 24, formed interiorly of the hub 2.
- the link pins 21 can be dimensioned to their diameter and selected to their material characteristics such that they will have a slight resilient action.
- Fig. 4 and 4a is illustrated another embodiment of the invention in which at the periphery of at least one of the face gears, 2b, is formed a recess 25, in which is accomodated a pair of tangentially mounted pressure springs 26 between which is inserted a lug 27 supported from the respective other face gear 2a via a carrying member 28 such as an axial flange in order to allow a limited resilient relative angular movement between said face gears 2a, 2b.
- Fig. 4b is illustrated a similar embodiment in which both face gears 2a, 2b are provided with such a peripheral recess 25 in which a lug 27 supported from the respective other face gear is accomodated.
- the two recesses 25 have been illustrated as being located directly opposite each other just for the sake of clarity while in practice they are to be located diametrically opposite each other.
- the inventive torque-equalizing action also can be obtained by suspending the motor itself from the vehicle chassis or the like by means of support means 30 which provide for a limited angular movement of said motor 4 relative said chassis around the axis X-X of the motor 9 such as illustrated in Fig. 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gear Transmission (AREA)
Abstract
L'invention concerne un dispositif régulateur de couple destiné à des engrenages, entraînés ensemble et agissant sur le même objet, comprenant de préférence deux couronnes planes opposées, appelées roues de champ, destinées à entraîner de manière habituelle une roue de véhicule ou similaire, et couplées par l'intermédiaire d'une paire de pignons engrenés, dont l'un est reliée à un moteur monté sur le châssis du véhicule ou similaire. Selon l'invention, afin d'éliminer le jeu entre-dents des roues dentées en prise, on monte dans la chaîne cinématique allant du châssis à la paire de roues de champ un système régulateur (21, 30, 26, 27, 28), qui permet un déplacement angulaire relatif limité entre certains éléments de ladite chaîne.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE1996/000925 WO1998001684A1 (fr) | 1996-07-08 | 1996-07-08 | Dispositif regulateur de couple pour engrenages |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0910758A1 true EP0910758A1 (fr) | 1999-04-28 |
Family
ID=20401734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96925219A Ceased EP0910758A1 (fr) | 1996-07-08 | 1996-07-08 | Dispositif regulateur de couple pour engrenages |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0910758A1 (fr) |
WO (1) | WO1998001684A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19852394A1 (de) * | 1998-11-13 | 2000-05-18 | Zahnradfabrik Friedrichshafen | Portaltrieb für Portalachsen, insbesondere für Antriebsachsen, für einen Bus-Antrieb |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2826022A1 (de) * | 1978-06-14 | 1979-12-20 | Westdeutsche Getriebewerk Gmbh | Leistungsverzweigungsgetriebe |
NL8503359A (nl) * | 1985-12-05 | 1987-07-01 | Kuiken Nv | Kroonwieloverbrenging. |
WO1995016151A1 (fr) * | 1993-12-06 | 1995-06-15 | Voac Hydraulics Trollhättan Ab | Dispositif d'engrenages |
-
1996
- 1996-07-08 WO PCT/SE1996/000925 patent/WO1998001684A1/fr not_active Application Discontinuation
- 1996-07-08 EP EP96925219A patent/EP0910758A1/fr not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO9801684A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998001684A1 (fr) | 1998-01-15 |
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Legal Events
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17P | Request for examination filed |
Effective date: 19981121 |
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AK | Designated contracting states |
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17Q | First examination report despatched |
Effective date: 20010206 |
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GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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18R | Application refused |
Effective date: 20020301 |