FR2563799A1 - Hydraulic transmission on motorcycles between rear wheel and front wheel - Google Patents

Hydraulic transmission on motorcycles between rear wheel and front wheel Download PDF

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Publication number
FR2563799A1
FR2563799A1 FR8407074A FR8407074A FR2563799A1 FR 2563799 A1 FR2563799 A1 FR 2563799A1 FR 8407074 A FR8407074 A FR 8407074A FR 8407074 A FR8407074 A FR 8407074A FR 2563799 A1 FR2563799 A1 FR 2563799A1
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France
Prior art keywords
hydraulic
motorcycles
wheel
hubs
front wheel
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FR8407074A
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French (fr)
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Individual
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Individual
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Priority to FR8407074A priority Critical patent/FR2563799A1/en
Publication of FR2563799A1 publication Critical patent/FR2563799A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M19/00—Transmissions characterised by use of non-mechanical gearing, e.g. fluid gearing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention relates to types of transmission on the cycle portions of motorcycles enabling the rotary movement of the rear wheel, driven by the combustion engine, to be transmitted to the front wheel in order to obtain two drive wheels. The wheel hubs are hydraulic and identical: pump for the rear and motor for the front; they support the rim spokes and the toothed wheel for driving or the universal joint. The combustion engine, via the chain or universal joint, drives the rear hub which is pumped, the volume of oil sucked in from a reservoir is sent into the motor hub of the front wheel via hoses. The wheels are braked by restricting the volume of oil output from the hubs. Amongst the more beneficial applications may be mentioned the use of the invention on all motor cycles, three-wheeled motorbikes and "sidecars".

Description

Transmission hydraulique sur motocycles entre roue arrière et roue avant. Hydraulic transmission on motorcycles between rear wheel and front wheel.

La présente invention concerne les types de transmissions sur les parties cycles des motocycles et motos trois roues. The present invention relates to the types of transmissions on the cycle parts of motorcycles and three-wheeled motorcycles.

Dans tous les principes connus la transmission du moteur thermique à la roue arrière est assuré par une chaine entrainant une oouronne den- tée solidaire de la roue1ou dans un autre type,la transmission est assurée par un cardan entre le moteur et la rone arrière. In all known principles, the transmission from the heat engine to the rear wheel is ensured by a chain driving a toothed pawl secured to the wheel or, in another type, the transmission is ensured by a universal joint between the engine and the rear rone.

De ces deux variantes,aucune ne peut assurer la transmission de la roue avant.Différents systèmes de transmissions de la roue avant ont été essayés:soit par biellettes,soit par chaines,soit par cardans;systèmes peu fiables et complexes. Of these two variants, none can ensure the transmission of the front wheel. Different transmission systems of the front wheel have been tried: either by rods, or by chains, or by universal joints; unreliable and complex systems.

La transmission hydraulique. suivant i 'invention,permet de transmettre le mouvement rotatif à la roue avant dune façon fiable et simple:o'est à dire d'avoir les deux roues motrices sur un motocycle. Hydraulic transmission. according to the invention, allows the rotary movement to be transmitted to the front wheel in a reliable and simple manner: that is to say having the two driving wheels on a motorcycle.

Le moyeu de la roue arriere,roue entrainée,est remplaçé par un moyen faisant fonction de pompe hydraulique. LK'entrée et la sortie de l'huile se faisant par le centre,l'extèrienr de la pompe où sont fixés les rayons de la jante et la couronne dentée sont en rotation0L'hnile aspirée du réser- voir est envoyée par l'intermédiaire d'un tuyan flexible dans le moyeu hydraulique de la roue avant, identique à la roue arrière, qui devient moyeu moteur.Chaque tour de la roue arrière entrainée par chaine, ou par cardan, envoi un volume d'huile dans le moyeu de la rone avant.L'hnile évacuée dn moyeu moteur hydraulique de la roue avant retourne au réservoir.Le nombre de tours de la roue arrière est bien retransmis fidèlement à la rone avant. The rear wheel hub, driven wheel, is replaced by means acting as a hydraulic pump. L The oil inlet and outlet is done through the center, the outside of the pump where the spokes of the rim are fixed and the ring gear is in rotation 0 The suctioned oil of the tank is sent via of a flexible hose in the hydraulic hub of the front wheel, identical to the rear wheel, which becomes the drive hub. Each turn of the rear wheel driven by chain, or by cardan, sends a volume of oil in the hub of the front rone. The discharge of the hydraulic motor hub from the front wheel returns to the tank. The number of revolutions of the rear wheel is accurately transmitted to the front rone.

La transmission hydraulique objet de l'invention comporte dans son circuit une vanne qui permet de suprimer l'entraînement du moyeu moteur hydraulique avant;ce moyeu tourne en circuit fermé, le moyeu pompe arriere envoit son huile directement au réservoir et tourne aussi en circuit fermé.  The hydraulic transmission object of the invention comprises in its circuit a valve which makes it possible to suppress the drive of the front hydraulic motor hub; this hub rotates in closed circuit, the rear pump hub sends its oil directly to the reservoir and also rotates in closed circuit .

Suivant la position de vanne précitée, la roue arrière est seul motrice.Depending on the aforementioned valve position, the rear wheel is the only drive.

Le dispositif selon l'invention contient un frein:en laminant le débit d'huile aux sorties, séparement ou en parallèle, des moyeux arrière et avant,ceux çi n'ayant peu ou plus d'évacuation dthuile sont freinés. The device according to the invention contains a brake: by laminating the oil flow at the outlets, separately or in parallel, rear and front hubs, those having little or no oil evacuation are braked.

La transmission hydraulique comporte dans son circuit un radiateur de refroidissement d'huile;
La transmission hydraulique selon l'invention permet des rotations souples,des couples élevés, des mouvements silencieux.The hydraulic transmission includes in its circuit an oil cooling radiator;
The hydraulic transmission according to the invention allows flexible rotations, high torques, silent movements.

La transmission hydrauliqne peut être appliquée sur toua les moto- cyclas pour obtenir les deux roues motrioes, sur toutes les motos trois roues et véhicules dénommés "side-car".  The hydraulic transmission can be applied to all motorcycles to obtain two-wheel motrioes, on all three-wheeled motorcycles and vehicles called "sidecars".

Claims (4)

I - Transmission hydraulique sur motocycles entre la I - Hydraulic transmission on motorcycles between the roue arrière entrainée par chaîne ou par cardan et la roue avant caractérisée en ce que les moyeux, identiques, sont des pompes et motenrs hydrauliques, à pistons axiaux ou radiaux ou à engrenages reliés par des tuyaux flexibles véhiculant l'huile et en ce que pour un tour de roue arrière entrainée, est retransmis le même volume d'huile dans le moyeu de la roue avant.rear wheel driven by chain or cardan and the front wheel characterized in that the identical hubs are hydraulic pumps and motors, with axial or radial pistons or with gears connected by flexible oil-carrying pipes and in that for one driven rear wheel revolution, the same volume of oil is retransmitted into the front wheel hub. 2 - Transmission hydranlique selon la revendication 1 caractérisée en ce que les moyeux hydrauliques supportent : la jante par l'intermédiaire des rayons on tout autre moyen approprié, la couronne dentée pour entrainement par chaine,le cardan ponr entrainement par cardan. 2 - Hydranic transmission according to claim 1 characterized in that the hydraulic hubs support: the rim via the spokes on any other appropriate means, the ring gear for drive by chain, the universal joint ponr drive by universal joint. 3 - Transmission hydraulique selon la revendication 1 caractérisée en ce que le circuit d'huile comporte à sa sortie de chaque moyeu hydraulique une vanne d 'étranglement de débit com- mandée manuellement, soit individuelle,soit parallèlement ,permettant le freinage. 3 - Hydraulic transmission according to claim 1 characterized in that the oil circuit comprises, at its outlet from each hydraulic hub, a flow restrictor valve controlled manually, either individually or in parallel, allowing braking. 4 - Transmission hydraulique selon les revendications 1.2.3. 4 - Hydraulic transmission according to claims 1.2.3. caractérisée en ce quelle peut entre adaptée sur tous motocycles, sur toutes motos à trois roues, sur les "side-car", à la place des moyeux existants. characterized in that it can be adapted on all motorcycles, on all three-wheeled motorcycles, on "sidecars", in place of existing hubs.
FR8407074A 1984-05-03 1984-05-03 Hydraulic transmission on motorcycles between rear wheel and front wheel Withdrawn FR2563799A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8407074A FR2563799A1 (en) 1984-05-03 1984-05-03 Hydraulic transmission on motorcycles between rear wheel and front wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8407074A FR2563799A1 (en) 1984-05-03 1984-05-03 Hydraulic transmission on motorcycles between rear wheel and front wheel

Publications (1)

Publication Number Publication Date
FR2563799A1 true FR2563799A1 (en) 1985-11-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8407074A Withdrawn FR2563799A1 (en) 1984-05-03 1984-05-03 Hydraulic transmission on motorcycles between rear wheel and front wheel

Country Status (1)

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FR (1) FR2563799A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017913A1 (en) * 1990-05-18 1991-11-28 Eckehart Schulze Bicycle with hydraulic driving device
GB2265588A (en) * 1992-03-31 1993-10-06 Michael Shirley Hybrid drive motorcycle with electric motor in each wheel
AT410309B (en) * 2001-01-17 2003-03-25 Rainer Meditz BICYCLE WITH FRONT AND REAR WHEEL DRIVE
WO2005075285A1 (en) * 2004-02-09 2005-08-18 Zsombor Inokay Hydromechanical front wheel drive for motorcycles
WO2020157524A1 (en) * 2019-02-01 2020-08-06 Sarbanis Lampros Two-wheel drive bicycle with front wheel hydraulic assist

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846741A1 (en) * 1978-10-27 1980-04-30 Audi Nsu Auto Union Ag Auxiliary front wheel drive for motorcycle - has hydraulic front hub motor selectively connected to hydraulic pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846741A1 (en) * 1978-10-27 1980-04-30 Audi Nsu Auto Union Ag Auxiliary front wheel drive for motorcycle - has hydraulic front hub motor selectively connected to hydraulic pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017913A1 (en) * 1990-05-18 1991-11-28 Eckehart Schulze Bicycle with hydraulic driving device
GB2265588A (en) * 1992-03-31 1993-10-06 Michael Shirley Hybrid drive motorcycle with electric motor in each wheel
AT410309B (en) * 2001-01-17 2003-03-25 Rainer Meditz BICYCLE WITH FRONT AND REAR WHEEL DRIVE
WO2005075285A1 (en) * 2004-02-09 2005-08-18 Zsombor Inokay Hydromechanical front wheel drive for motorcycles
WO2020157524A1 (en) * 2019-02-01 2020-08-06 Sarbanis Lampros Two-wheel drive bicycle with front wheel hydraulic assist

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