FR2551803A1 - Device for varying the flow rate of a fluid or of a rotary movement - Google Patents

Device for varying the flow rate of a fluid or of a rotary movement Download PDF

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Publication number
FR2551803A1
FR2551803A1 FR8314585A FR8314585A FR2551803A1 FR 2551803 A1 FR2551803 A1 FR 2551803A1 FR 8314585 A FR8314585 A FR 8314585A FR 8314585 A FR8314585 A FR 8314585A FR 2551803 A1 FR2551803 A1 FR 2551803A1
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France
Prior art keywords
teeth
fluid
pinions
cylinder
internal teeth
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Pending
Application number
FR8314585A
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French (fr)
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Individual
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Individual
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.)
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Publication date
Application filed by Individual filed Critical Individual
Priority to FR8314585A priority Critical patent/FR2551803A1/en
Publication of FR2551803A1 publication Critical patent/FR2551803A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
    • F01C20/18—Control of, monitoring of, or safety arrangements for, machines or engines characterised by varying the volume of the working chamber
    • F01C20/185—Control of, monitoring of, or safety arrangements for, machines or engines characterised by varying the volume of the working chamber by varying the useful pumping length of the cooperating members in the axial direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)

Abstract

Device for varying the flow rate of a fluid or of a rotary movement. The invention relates to a device allowing the variation of flow rate of a fluid everywhere where a movement, speed, or power variation is required. It is composed of a chassis block 1 supporting the hoses and drive shaft. The inside 1 forms part of the gear cage, a movable part 6 causes the width of the gears 2 and 3 to vary by a control member 8. Two hollow cylinders with internal teeth 4 and 5, one 5 housed in the support block 1, the other 4 in the movable partition 6, allow the gears 2 and 3 to be partially moved back whilst continuing their rotation. The device according to the invention has its use in industry, agriculture machinery, manufacture of robots.

Description

La présente invention mis en mouvement par une force ext@rleure concerne un dispositif permettant la variation de pression et de débit d'un fluide.The present invention set in motion by an ext @ rleure force relates to a device allowing the variation of pressure and flow of a fluid.

Alimenté par un fluide en pression, elle permet à la demande la variation d'un mouvement rotatif.Fed by a pressurized fluid, it allows the variation of a rotary movement to be requested.

Avoir le meilleur rapport entre un moteur et un travail à effectuer c'est économisé de l'énergie.Having the best ratio between an engine and a job to be done saves energy.

Jusqu'à présent,l'on à souvent fait appel à la boite de vitesses malheureusement,sa démultiplication se fait étape par étape, souvent il manque des vitesses.Until now, we have often used the gearbox unfortunately, its reduction is done step by step, often it lacks gears.

Si l'on associe le dispositif avec un moteur hydrolique,on peut remédier à oes inconvénientssfinit les moteurs emballés ou en surcharge.If the device is associated with a hydraulic motor, this can be remedied with the disadvantages of packaged or overloaded motors.

DESCRIPTION : PLANCHES I/4 et 2/4
Le dispositif se compose d'une boite à engrennage(I) capable de subir une pression,recevoir les pattes de fixations.DESCRIPTION: BOARDS I / 4 and 2/4
The device consists of a gearbox (I) capable of undergoing pressure, receiving the fixing lugs.

Il comporte la tubulure d'admission(5') et la tubulure de refoulement (5"),peut aussi avoir un clapet de sécurité.It includes the intake manifold (5 ') and the discharge manifold (5 "), may also have a safety valve.

Ce bloc forme une partie de la cage à engrennage en forme de huit variable par une cloison mobile (4).This block forms a part of the cage in the shape of an eight shaped variable by a movable partition (4).

 l'intérieur les pignons mobiles(2') et (29) parfaitement synchronisés tournent sans jeu en sens inverse,l'un(2') est moteur, l'autre(2") relié à la cloison mobile (4) peut se déplacer paral -lèllement à son axe,il est baladeur et coulisse entre 1 s dents d'un cylindre creux(3") à dentition intérieur.Ce cylindre(3") entrainé par le pignon(2") tourne dans une cavité circulaire creusée dans la boite à engrennage. Inside the movable gables (2 ') and (29) perfectly synchronized rotate without play in opposite direction, one (2') is motor, the other (2 ") connected to the movable partition (4) can move parallel -lèllement to its axis, it is sliding and slides between 1 s teeth of a hollow cylinder (3 ") with internal teeth. This cylinder (3") driven by the pinion (2 ") rotates in a circular cavity dug in the gear box.

Commandé de l'extérieur(6) la cloison mobile(4)coulisse à l'intérieur de la boite à engrennage.Elle vsiI7 forme une partie.de la cage à engrennage.Elle est munie d'un deuxième cylindre creux à dentition intérieur(3').Par son mouvement de va et vient elle entraine avec elle le cylindre(3') et le pignon baladeur(2"). Controlled from the outside (6) the movable partition (4) slides inside the gear box. It vsiI7 forms part of the gear cage. It is fitted with a second hollow cylinder with internal teeth ( By its back and forth movement it carries with it the cylinder (3 ') and the sliding pinion (2 ").

FONCTION@@.ENT
Si l'on pousse sur I; cloion mobile(4) pr l'intermédiaire de la commande(6),la cloison mobile(4)pousse le pignon baladeur(2") qui lui glisse dans le cylindre à dentition,intérieur(3")pendant que le cylindre creux à dentition intérieure s'emboite entre les dents du pignon moteur(2').Par ce mouvement l'on varie la dimension in -térieure du mécanisme.FUNCTION @@. ENT
If we push on I; movable cloion (4) pr through the control (6), the movable partition (4) pushes the sliding pinion (2 ") which slides it in the internal toothed cylinder (3") while the hollow cylinder internal teeth fit between the teeth of the motor pinion (2 ′) By this movement the internal dimension of the mechanism is varied.

Le fluide est attisé dans la tubulure d'admission par les dents des engrennages qui la chasse par la tubulure de refoulement0
L'espace interne du dispositif est toujours divisé en deux par deux dents engrennées.The fluid is stoked in the intake manifold by the teeth of the gear which expels it through the discharge manifold0
The internal space of the device is always divided in two by two meshed teeth.

La figure I page I/4 représente en coupe A.A le dispositif selon l'invention
La figure 5 page 3/4 représente en coupe A'.A' une variante de ce dispositif.Figure I page I / 4 shows in section AA the device according to the invention
Figure 5 page 3/4 shows in section A'.A 'a variant of this device.

Dans la forme de réalisation suivant la figure (5) page 3/4 en coupe
A'.A' les cylindres creux a dentition inté@ieure@@ (3') et (3") sont d'un plus grands que les pignons (2') et (2").La cloison mobile (4) envellope différamement les pignons(2") et (3") sind que le cylindre creux(3') et (3").Le bloc chassis(I) s'en trouve modifié@. In the embodiment according to figure (5) page 3/4 in section
A'.A 'the hollow cylinders with internal teeth @ ieure @@ (3') and (3 ") are one larger than the gables (2 ') and (2"). The movable partition (4) envellope differentially the pinions (2 ") and (3") so that the hollow cylinder (3 ') and (3 "). The chassis block (I) is modified @.

Notification I
Dans les deux cas il sera conseillé de faire communiquer l'intérieur vide des cylindres creux avec la tubulure de refoulement afin d'avoir une meilleur étanchéité.Notification I
In both cases it will be advisable to communicate the empty interior of the hollow cylinders with the delivery pipe in order to have a better seal.

Notification 2
Le dispositif et sa variante sont représentés avec un seul arbre par engrennage,pour les renforcer,on peut munir les pignons d'un arbre transversal.Les pignons seront s maintenus à chaque extrémité. Notification 2
The device and its variant are represented with a single shaft by meshing, to strengthen them, the pinions can be provided with a transverse shaft. The pinions will be maintained at each end.

Claims (1)

REVENDICATION CLAIM 'Ij  'Ij Dispositif pour v:ri-tionde débit,de pression d'un fluide ou d'un mouvement rotatif caractérisé (n ce nu'il comporte un bloc formant cage à engrennage(I) supportant la tubulure d'admission et de refou -lement,l'arbre d'entrainement.L'intérieur du bloc forme une partie de la cage à engrennage,une partie mobile(4)fait varier la largeur des pignons(22) et(2")par une commande(6).Deux cylindres creux à dentition intérieure (3') et (3") l'un (3") logé dans le bloc sup- -port(I),l'autre (3')dans la cloison mobile(4) p rmetsent aux pignons (2') et (2") de s'effacer partiellement tout en continuant leur r rotation.Device for v: ri-tion of flow, pressure of a fluid or of a rotary movement characterized (n this nu'il comprises a block forming a mesh cage (I) supporting the inlet and outlet manifold -lement, the drive shaft. The inside of the block forms part of the mesh cage, a movable part (4) varies the width of the pinions (22) and (2 ") by a control (6). hollow with internal teeth (3 ') and (3 ") one (3") housed in the support block (I), the other (3') in the movable partition (4) fit to the gables (2 ') and (2 ") to be partially erased while continuing their rotation. (2)(2) Dispositif selon revendication (I)caractérise par le fait qu'il est rotatif,deux pignons tournent sans jeu en sens inverse dans une boite close,l'espace interne est toujours divisé en deux par deux dentsDevice according to claim (I) characterized in that it is rotary, two pinions rotate without play in opposite directions in a closed box, the internal space is always divided in two by two teeth engrénées0Le fluide est attiré dans la tubulure d'admission(5') par les dents de l'engrenage qui la chasse par la tubulure de The fluid is drawn into the intake manifold (5 ') by the teeth of the gear which drives it out through the manifold. refoulement(5"). discharge (5 "). (3) Dispositif@selon revendication(I) caracterisé par le fait outil (3) Device @ according to claim (I) characterized by the tool peut varier grace à une cloison mobile(4)pouvant se déplacer dans le sens parrallèle à la dentition des engrennages.Cette cloison mobile(4)porte un cylindre creux(3')à dentition intérieure et par son mouvement de va et vient entraine le pignon baladeur(2") qui lui s'enfonce plus pu moin dans un cylindre creux(3")du bloc chassis pendant que son cylindre(3')cache en proportion le pignon moteur(2'). may vary thanks to a movable partition (4) which can move in the direction parallel to the teeth of the gear. This movable partition (4) carries a hollow cylinder (3 ') with internal teeth and by its back and forth movement causes the sliding pinion (2 ") which sinks deeper into a hollow cylinder (3") of the chassis block while its cylinder (3 ') conceals the motor pinion (2') in proportion. (4)(4) Dispositif selon revendication(T) caractérisé par le fait qu'il possède un cylindre creux(3")à dentition intérieure placé dans le bloc support.Un deuxième cylindre(3') est logé dans la cloison mobile (4),leurs roles sont de transformer partiellement la denti -tion des pignons en forme circulaire pour permettre aux pignons de s'éffacer partiellement et continuer leur rotation par leur sec -tion à forme de couronne dentée qui s'emboite entre les dents des pignons,ils assument une parfaite @tanchéité. Device according to claim (T) characterized in that it has a hollow cylinder (3 ") with internal teeth placed in the support block. A second cylinder (3 ') is housed in the movable partition (4), their roles are to partially transform the tooth-pinion in a circular shape to allow the pinions to partially disappear and continue their rotation by their sec -tion in the form of a toothed crown which fits between the teeth of the pinions, they assume a perfect @ tightness. (5)(5) Dispositif selon revendication(I)caractérisé par le fait qu'il ne Device according to claim (I) characterized in that it does not possède qu'un seul arbre de maintien par pignons,l'autre est formé has only one pinion retaining shaft, the other is formed par le cylindre qui envellope en partie le dentition aes -igmens.  by the cylinder which partly envelopes the dentition aes -igmens. Bien entendu pour renforcer l'invention on peut l@ munir de p@gnons à arbres transversals.Dans ce cas les @ignons @eront maintenus à chaque extrémité. Of course, to reinforce the invention, it is possible to provide it with pins with transverse shafts. In this case, the @ions @ will be maintained at each end. (6)(6) Dispositif selon revendication(I) caractérisé par le fait que les cylindres creux à dentition intérieure seront de mème diamètre que les pignons.Device according to claim (I) characterized in that the hollow cylinders with internal teeth will have the same diameter as the pinions. (7)(7) Dispositif selon revendication(I) caractérisé par le fait que les Device according to claim (I) characterized in that the cylindres creux à dentition intérieure sont de diamètre supérieur hollow cylinders with internal teeth are larger in diameter aur pignons. aur gables. (8)(8) Dispositif selon revendication(I) caractérisé par le fait qu'il as comporte un système de conduites percées dans le bloc chassis afin de permettre la communication du fluide dans les différentes parties vides du dispositif avec lat tubulure de refoulementgoeci afin d'assurer une meilleure étanchéité,un graissage et éviter un gripage du mécanisme.  Device according to claim (I) characterized in that it has a system of pipes drilled in the chassis block in order to allow the communication of the fluid in the different empty parts of the device with the discharge pipe this in order to ensure a better seal , lubrication and avoid grip of the mechanism.
FR8314585A 1983-09-12 1983-09-12 Device for varying the flow rate of a fluid or of a rotary movement Pending FR2551803A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8314585A FR2551803A1 (en) 1983-09-12 1983-09-12 Device for varying the flow rate of a fluid or of a rotary movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8314585A FR2551803A1 (en) 1983-09-12 1983-09-12 Device for varying the flow rate of a fluid or of a rotary movement

Publications (1)

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FR2551803A1 true FR2551803A1 (en) 1985-03-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306127A (en) * 1993-03-08 1994-04-26 Kinney Gerald R Fluid pump with axially adjustable gears
DE19947577A1 (en) * 1999-10-01 2000-11-30 Daimler Chrysler Ag Continuously variable conveyor device for flowable media has pair of gearwheels with variable tooth engagement depth and sealing element on one side face and sealing filling element on opposite side face with profiled elements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1742215A (en) * 1927-03-29 1930-01-07 Reginald J S Pigott Rotary fluid unit
FR1464713A (en) * 1965-10-23 1967-01-06 Variable volume pump
DE2011726A1 (en) * 1970-03-12 1971-09-30 Rheinländer, Paul, Prof. Dr.-Ing., 3340 Wolfenbüttel Method and device for operating rotary piston machines, primarily gear pumps, with variable delivery volume per revolution
GB1265407A (en) * 1969-06-26 1972-03-01

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1742215A (en) * 1927-03-29 1930-01-07 Reginald J S Pigott Rotary fluid unit
FR1464713A (en) * 1965-10-23 1967-01-06 Variable volume pump
GB1265407A (en) * 1969-06-26 1972-03-01
DE2011726A1 (en) * 1970-03-12 1971-09-30 Rheinländer, Paul, Prof. Dr.-Ing., 3340 Wolfenbüttel Method and device for operating rotary piston machines, primarily gear pumps, with variable delivery volume per revolution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5306127A (en) * 1993-03-08 1994-04-26 Kinney Gerald R Fluid pump with axially adjustable gears
DE19947577A1 (en) * 1999-10-01 2000-11-30 Daimler Chrysler Ag Continuously variable conveyor device for flowable media has pair of gearwheels with variable tooth engagement depth and sealing element on one side face and sealing filling element on opposite side face with profiled elements

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