FR2577646A1 - Rotary valve for connecting two circular ducts, especially in an inlet or exhaust device of an internal combustion engine - Google Patents

Rotary valve for connecting two circular ducts, especially in an inlet or exhaust device of an internal combustion engine Download PDF

Info

Publication number
FR2577646A1
FR2577646A1 FR8502137A FR8502137A FR2577646A1 FR 2577646 A1 FR2577646 A1 FR 2577646A1 FR 8502137 A FR8502137 A FR 8502137A FR 8502137 A FR8502137 A FR 8502137A FR 2577646 A1 FR2577646 A1 FR 2577646A1
Authority
FR
France
Prior art keywords
conduits
connection
sections
section
valve
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.)
Granted
Application number
FR8502137A
Other languages
French (fr)
Other versions
FR2577646B1 (en
Inventor
Alain Bredeka
Luc Schwab
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.)
Automobiles Peugeot SA
Original Assignee
Automobiles Peugeot SA
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 Automobiles Peugeot SA filed Critical Automobiles Peugeot SA
Priority to FR8502137A priority Critical patent/FR2577646B1/en
Publication of FR2577646A1 publication Critical patent/FR2577646A1/en
Application granted granted Critical
Publication of FR2577646B1 publication Critical patent/FR2577646B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/12—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having slidably-mounted valve members; having valve members movable longitudinally of conduit
    • F02D9/16—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having slidably-mounted valve members; having valve members movable longitudinally of conduit the members being rotatable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0205—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the charging effect
    • F02B27/0215—Oscillating pipe charging, i.e. variable intake pipe length charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • F02B27/0278—Multi-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • F02B27/0284—Rotary slide valves
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Characterised By The Charging Evacuation (AREA)

Abstract

Rotary valve for connecting, in a Y shape, two tubular ducts 4, 5 especially in an inlet or exhaust device of an internal combustion engine, suitable for connecting a median segment 8 of the connection alternately to one or other of the two inclined segments 9, 10 of the ducts 4, 5, characterised in that the two inclined segments 9, 10, being symmetrical relative to an axial plane P-P of the median segment 8, the valve comprises a tubular body 11 substantially of the same internal cross-section as the two ducts 4, 5 comprising a cylindrical portion 12 fitted rotationally into the median segment 8 and a curved portion 13 extending over the entire length of the junction zone of the two inclined segments 9, 10 and equipped with a side opening 15 suitable for emerging alternately into one or other of these two segments 9, 10, the valve comprising means 23, 25 for driving said tubular body 11 rotationally about the axis of the median segment 8.

Description

L'invention est relative aux vannes dis-The invention relates to valves

posees au droit d'un raccordement en Y de deux conduits tubulaires, et propres a relier le troncon médian du raccordement alternativement à l'un ou l'autre de ses deux tronçons inclinés. Ces vannes sont habituellement constituées d'un volet s'articulant, a l'intersection des deux  laid in line with a Y-shaped connection of two tubular conduits, and suitable for connecting the median section of the connection alternately to one or the other of its two inclined sections. These valves usually consist of a hinged flap, at the intersection of the two

tronçons inclines, sur un axe perpendiculaire au tron-  inclined sections, on an axis perpendicular to the section

çon médian. Cette disposition convient mal aux con-  middle lesson. This provision is ill-suited to

duits dans lesquels l'écoulement de fluide est rapide et o une bonne étanchéité est requise, comme c'est la cas dans les dispositifs d'admission ou d'échappement de moteur à combustion interne. En effet, le volet étant plan alors que les conduits sont tubulaires, la section de passage du fluide varie nécessairement au droit du volet, et l'écoulement s'y effectue avec des  duits in which the fluid flow is rapid and o a good seal is required, as is the case in the intake or exhaust devices of internal combustion engine. Indeed, the flap being flat while the conduits are tubular, the fluid passage section necessarily varies in line with the flap, and the flow takes place there with

turbulences nuisibles. De plus, les pressions ou va-  harmful turbulence. In addition, the pressures or

riations de pression régnant dans les conduits rac-  pressure riations prevailing in the conduits

cordés agissent sur le volet, de sorte que celui-ci vibre intempestivement dans certains cas et que sa  strings act on the flap, so that it vibrates inadvertently in certain cases and that its

commande nécessite une force relativement importante.  command requires a relatively large force.

Par ailleurs, il est difficile d'obtenir une bonne étanchéité entre les bords du volet et la paroi du tronçon qu'il obture, en particulier dans le cas o  Furthermore, it is difficult to obtain a good seal between the edges of the flap and the wall of the section which it closes, in particular in the case where

plusieurs volets disposes respectivement dans plu-  several flaps arranged respectively in several

sieurs raccordements de conduits sont actionnés si-  some duct connections are activated if-

multanément, par exemple au moyen d'un axe d'articu-  simultaneously, for example by means of a hinge pin

lation commun.common relationship.

L'invention a pour but de réaliser, pour un raccordement en Y de deux conduits tubulaires de méme section intérieure, une vanne procurant un écoulement de fluide sans turbulence, ainsi qu'une bonne étanchéité, et peu influencée par la pression ou les  The object of the invention is to produce, for a Y connection of two tubular conduits of the same interior section, a valve providing a flow of fluid without turbulence, as well as a good seal, and little influenced by the pressure or the

variations de pression régnant dans les deux conduits.  pressure variations prevailing in the two conduits.

Selon '1 invention, les deux tronçons incli-  According to the invention, the two inclined sections

nés étant symétriques par rapport à un plan axial du tronçon médian, la vanne comporte un corps tubulaire sensiblement de même section intérieure que les deux conduits et comprenant une portion cylindrique em- manchée rotative dans le tronçon médian et une portion courbe s'étendant sur toute la longueur de la zone de jonction des deux tronçons inclinés et munie d'une ouverture latérale propre à déboucher alternativement sur l'un ou l'autre de ces deux tronçons, la vanne  born being symmetrical with respect to an axial plane of the median section, the valve comprises a tubular body substantially of the same internal section as the two conduits and comprising a cylindrical portion fitted rotatably in the median section and a curved portion extending over all the length of the junction zone of the two inclined sections and provided with a lateral opening suitable for alternately leading to one or the other of these two sections, the valve

comportant des moyens d entraînement dudit corps tu-  comprising means for driving said tu-

bulaire en rotation autour de l'axe du tronçon médian.  bular in rotation around the axis of the median section.

Suivant d'autres caractéristiques de l'in-  According to other characteristics of the

vention: - lesdits moyens d'entraînement comprennent une roue dentée entourant ladite portion cylindrique, et une crémaillère coopérant avec la roue dentée; - la portion courbe du corps tubulaire est  note: - said drive means comprise a toothed wheel surrounding said cylindrical portion, and a rack cooperating with the toothed wheel; - the curved portion of the tubular body is

munie, à son extrémité opposée à la portion cylin-  provided at its end opposite to the cylinder portion

drique, d'un pivot coaxial à cette portion et tournant dans un logement approprié pratiqué dans la paroi de jonction des deux tronçons inclinés; le raccordement équipé de la vanne est constitué de deux pièces moulées comportant chacune l'un des deux tronçons inclinés, et jointes suivant le susdit plan axial du tronçon médian;  drique, a pivot coaxial with this portion and rotating in a suitable housing made in the junction wall of the two inclined sections; the connection equipped with the valve consists of two molded parts each comprising one of the two inclined sections, and joined along the above axial plane of the median section;

- plusieurs raccordements en Y étant juxta-  - several Y connections being juxta-

posés, leurs tronçons médians respectifs étant paral-  laid, their respective median sections being parallel

léles et situés au droit d'un même plan radial, chacun  leles and located at the same radial plane, each

d'eux est équipé d'une vanne rotative selon '1 inven-  of them is equipped with a rotary valve according to '1 invent-

tion, entraînée en rotation par une même crémaillère solidaire d'une tige qui coulisse perpendiculairement aux tronçons médians dans une traverse creuse reliant ceux-ci.  tion, driven in rotation by the same rack secured to a rod which slides perpendicular to the middle sections in a hollow cross connecting them.

- le raccordement ou chacun des raccorde-  - the connection or each of the connections-

ments faisant partie d'un dispositif d'admission d'un  elements that are part of an intake system

moteur a combustion interne, chacun de ses deux tron-  internal combustion engine, each of its two sections

çons inclinés étant associé à l'un de deux conduits d'aspiration de longueurs respectives différentes, il  inclined lessons being associated with one of two suction pipes of different respective lengths, it

comporte une vanne selon l'invention actionnée, no-  comprises a valve according to the invention actuated, no-

tamment par une crémaillère, en fonction d'au moins un paramètre de fonctionnement du moteur, tel que sa  especially by a rack, as a function of at least one operating parameter of the engine, such as its

charge ou sa vitesse de rotation.load or its speed of rotation.

Un exemple de réalisation de vannes rotati-  An example of realization of rotary valves

ves selon l'invention est décrit ci-après, avec réfé-  ves according to the invention is described below, with reference

rence aux dessins annexes sur lesquels:  Refer to the accompanying drawings in which:

- la Figure 1 est une vue d'ensemble sim-  - Figure 1 is a simple overview

plifiée, en élévation et en coupe suivant I-I de la Figure 2, d'un dispositif d'admission équipant un moteur à combustion interne; - la Figure 2 est une vue de dessus d'une partie de ce dispositif; - la Figure 3 est une vue à plus grande échelle, en coupe suivant III-III de la Figure 2, de chaque raccordement de conduits faisant partie du dispositif et muni d'une vanne selon l'invention; - et la Figure 4 est une vue en coupe  folded, in elevation and in section along I-I of Figure 2, of an intake device fitted to an internal combustion engine; - Figure 2 is a top view of part of this device; - Figure 3 is an enlarged view, in section along III-III of Figure 2, of each connection of conduits forming part of the device and provided with a valve according to the invention; - and Figure 4 is a sectional view

transversale suivant la ligne IV-IV de la Figure 3.  transverse along line IV-IV of Figure 3.

On voit sur la Figure 1 une partie d'un mo-  We see in Figure 1 part of a mo-

teur a combustion interne 1 pourvu d'un dispositif d'admission 2 dans lequel chacun de quatre conduits  internal combustion tor 1 provided with an intake device 2 in which each of four conduits

d'admission 3 reliés à la culasse du moteur se rac-  intake 3 connected to the cylinder head of the engine

corde à deux conduits d'aspiration 4, 5 de longueurs  cord with two suction pipes 4, 5 in length

respectives différentes et débouchant dans un collec-  respective and leading to a collection

teur 6, non représenté à la Figure 2.  tor 6, not shown in Figure 2.

Chaque raccordement 7 entre trois conduits associés 3, 4. 5 comporte, formant un Y, un tronçon tubulaire médian 8 recevant l'un des quatre conduits d'admission 3, et deux troncons tubulaires 9. 10 de même section intérieure, symétriquement inclinés par rapport à un plan axial P-P du tronçon médian 8, et constituant chacun une extrémité d'un des conduits d'aspiration 4, 5. Les quatre tronçons médians 8 sont  Each connection 7 between three associated conduits 3, 4. 5 comprises, forming a Y, a median tubular section 8 receiving one of the four intake conduits 3, and two tubular sections 9. 10 of the same inner section, symmetrically inclined by relative to an axial plane PP of the median section 8, and each constituting one end of one of the suction conduits 4, 5. The four median sections 8 are

parallèles et situés au niveau d'un même plan radial.  parallel and located at the same radial plane.

Selon l'invention, dans chaque raccordement 7 est ménagée une vanne rotative comportant un corps  According to the invention, in each connection 7 is formed a rotary valve comprising a body

tubulaire 11 de même section intérieure que les tron-  tubular 11 with the same internal section as the sections

çons 9, 10 et que le conduit 3, et comprenant d'une part une portion cylindrique 12 emmanchée dans le tronçon médian 8 de manière à pouvoir tourner autour de l'axe géométrique de ce tronçon 8, d'autre part une portion courbe 13 qui s'étend sur toute la longueur de  ons 9, 10 and that the conduit 3, and comprising on the one hand a cylindrical portion 12 fitted into the middle section 8 so as to be able to rotate around the geometric axis of this section 8, on the other hand a curved portion 13 which spans the entire length of

la zone 14 de jonction des tronçons inclinés 9, 10.  zone 14 for joining the inclined sections 9, 10.

Cette portion courbe 13 comporte une large ouverture latérale 15 par laquelle le corps tubulaire 11 est propre à déboucher sur l'un des deux tronçons inclinés  This curved portion 13 has a wide lateral opening 15 through which the tubular body 11 is capable of leading to one of the two inclined sections

(9, 10) tandis que la face opposée 16 du corps tubu-  (9, 10) while the opposite face 16 of the tubular body

laire 11 obture l'autre tronçon incliné (9 sur la Fi-  track 11 closes the other inclined section (9 on the

gure 3). La portion courbe 13 est munie, de préfé-  gure 3). The curved portion 13 is provided, preferably

rence, à son extrémité opposée à la portion cylin-  at its end opposite the cylindrical portion

drique 12, d'un pivot 17 coaxial à cette portion et tournant dans un logement 18a de forme complémentaire  drique 12, a pivot 17 coaxial with this portion and rotating in a housing 18a of complementary shape

pratiqué dans la paroi 18 de jonction des deux tron-  made in the wall 18 of junction of the two sections

çons 9, 10.lessons 9, 10.

Dans le mode de réalisation représenté, cha-  In the embodiment shown, each

que raccordement 7 est constitué de deux pièces mou-  that connection 7 consists of two soft parts

lées 19, 20 comportant chacune l'un des tronçons in-  strips 19, 20 each comprising one of the sections

clinés 9, 10, et jointes suivant le plan axial P-P. Le  clinches 9, 10, and joined along the axial plane P-P. The

logement 18a du pivot 17 est alors formé de deux par-  housing 18a of pivot 17 is then formed of two parts

ties superposées 18b agencées respectivement dans cha-  superimposed ties 18b arranged respectively in each

cune des deux pièces moulées 19, 20. Celles-ci sont  one of the two molded parts 19, 20. These are

assemblées par exemple au moyen de vis et écrous 21.  assembled for example by means of screws and nuts 21.

Quatre pièces moulées 19 comportent chacune l'un des quatre conduits 4, relativement courts, tandis qu'une  Four molded parts 19 each have one of the four relatively short conduits 4, while a

même pièce 20 comporte les quatre conduits 5, rela-  same room 20 comprises the four conduits 5, rela-

tivement longs, et une traverse creuse 22 reliant les  tively long, and a hollow crosspiece 22 connecting the

quatre tronçons médians 8.four middle sections 8.

La portion cylindrique 12 de chacune des quatre vannes est munie d'une denture périphérique constituant une roue dentée 23 et engrenant avec une crémaillère 24 solidaire d'une tige 25 qui coulisse perpendiculairement aux tronçons médians 8 dans la traverse creuse 22. Cette tige 25 est actionnée par un moyen d'entrainement 26, connu en soi, notamment pneumatique ou électrique, commandé en fonction d'au moins un paramètre de fonctionnement du moteur; en particulier, quand la vitesse de rotation de celui-ci  The cylindrical portion 12 of each of the four valves is provided with a peripheral toothing constituting a toothed wheel 23 and meshing with a rack 24 secured to a rod 25 which slides perpendicular to the median sections 8 in the hollow crosspiece 22. This rod 25 is actuated by a drive means 26, known per se, in particular pneumatic or electric, controlled as a function of at least one operating parameter of the engine; in particular when the rotational speed of it

est faible et que sa charge est relativement impor-  is weak and its charge is relatively high

tante, la tige 25 est déplacée de manière à faire pivoter le corps tubulaire 11 de chaque vanne jusqu'à placer l'ouverture 15 en face du tronçon 10, de sorte  aunt, the rod 25 is moved so as to pivot the tubular body 11 of each valve until the opening 15 is placed opposite the section 10, so

que l'aspiration s'effectue par les conduits longs 5.  that the suction is carried out by the long conduits 5.

Dans les autres cas de fonctionnement du moteur, la commande provoque une rotation des corps tubulaires 11 telle que l'ouverture 15 se place en face du tronçon 9, l'aspiration s'effectuant alors par les conduits  In other cases of engine operation, the control causes rotation of the tubular bodies 11 such that the opening 15 is placed opposite the section 9, the suction then taking place through the conduits

courts 4.short 4.

La forme tubulaire du corps rotatif 11 de la  The tubular shape of the rotary body 11 of the

vanne assure non seulement un écoulement particulière-  valve not only ensures a special flow-

ment satisfaisant des gaz d admission, notamment quand  gas intake, especially when

leur débit est important, mais aussi une bonne étan-  their flow is important, but also a good

chéité au droit de la portion cylindrique 12 tournant dans le tronçon 8, et au droit de la portion courbe 13 obturant l'un des tronçons 9, 10. Une pression régnant dans l'un des conduits 3, 4, S n'exerce qu'une force négligeable sur le corps tubulaire 11 vis-a-vis de ses  square to the right of the cylindrical portion 12 rotating in the section 8, and to the right of the curved portion 13 closing one of the sections 9, 10. A pressure prevailing in one of the conduits 3, 4, S exerts only '' a negligible force on the tubular body 11 vis-à-vis its

mouvements de rotation. Ce dernier est donc particu-  rotational movements. The latter is therefore particu-

lièrement stable et ne risque aucunement de vibrer grâce à sa large portée cylindrique 12 et à son appui pivotant 17. Enfin, la construction en pièces moulées 19, 20 jointes suivant le plan P-P permet un montage aisé, en disposant d'abord convenablement les quatre corps tubulaires 11 dans le corps 20 contenant la tige , et en fixant ensuite les quatre pièces 19 au moyen  smoothly stable and in no way likely to vibrate thanks to its wide cylindrical bearing 12 and its pivoting support 17. Finally, the construction in molded parts 19, 20 joined according to the PP plane allows easy mounting, first of all suitably arranging the four tubular body 11 in the body 20 containing the rod, and then fixing the four parts 19 by means

des vis et écrous 21.screws and nuts 21.

En variante, les raccordements en Y sont réalisés chacun en deux parties moulées se joignant suivant un plan perpendiculaire au tronçon médian 8 au droit de la roue dentée 23, l'une ou chacune de ces deux parties étant éventuellement moulée en bloc avec au moins l'une des parties analogues de raccordements voisins. Par ailleurs, la crémaillère 24 et les roues dentées 23 peuvent être remplacées par tout autre moyen d'entrainement positif en rotation du corps tubulaire 11, par exemple à biellettes ou à  As a variant, the Y-connections are each made in two molded parts joining along a plane perpendicular to the median section 8 in line with the toothed wheel 23, one or each of these two parts being optionally molded in a block with at least 1 'one of the analogous parts of neighboring connections. Furthermore, the rack 24 and the toothed wheels 23 can be replaced by any other positive drive means for rotating the tubular body 11, for example with rods or

courroie crantée.toothed belt.

Claims (5)

REVENDICATIONS 1 - Vanne rotative pour le raccordement en Y de deux conduits tubulaires (4, 5), notamment dans un dispositif d'admission ou d'échappement de moteur à combustion interne, propre a relier un tronçon médian (8) du raccordement alternativement à l'un ou l'autre de deux tronçons inclinés (9, 10) des conduits (4, 5), caractérisée en ce que les deux tronçons inclinés (9, ) étant symétriques par rapport à un plan axial (P-P) du tronçon médian (8), la vanne comporte un  1 - Rotary valve for the Y-connection of two tubular conduits (4, 5), in particular in an intake or exhaust device of an internal combustion engine, suitable for connecting a median section (8) of the connection alternately to the either of two inclined sections (9, 10) of the conduits (4, 5), characterized in that the two inclined sections (9,) being symmetrical with respect to an axial plane (PP) of the median section ( 8), the valve has a corps tubulaire (11) sensiblement de même section in-  tubular body (11) of substantially the same cross section térieure que les deux conduits (4, 5) et comprenant une portion cylindrique (12) emmanchée rotative dans le tronçon médian (8) et une portion courbe (13) s'étendant sur toute la longueur de la zone de jonction des deux tronçons inclinés (9,10) et munie d'une ouverture latérale (15) propre à déboucher alternativement sur l'un ou l'autre de ces deux tronçons (9, 10), la vanne comportant des moyens d'entraînement (23, 25) dudit corps tubulaire (11) en  than the two conduits (4, 5) and comprising a cylindrical portion (12) rotatably fitted in the median section (8) and a curved portion (13) extending over the entire length of the junction area of the two inclined sections (9,10) and provided with a lateral opening (15) suitable for opening alternately on one or the other of these two sections (9, 10), the valve comprising drive means (23, 25) said tubular body (11) in rot.ation autour de l'axe du tronçon médian (8).  rotation around the axis of the middle section (8). 2 - Vanne selon la revendication 1, carac-  2 - valve according to claim 1, charac- térisée en ce que lesdits moyens d'entrainement com-  characterized in that said drive means include prennent une roue dentée (23) entourant la portion cylindrique (12), et une crémaillère (24) coopérant  take a gear (23) surrounding the cylindrical portion (12), and a rack (24) cooperating avec la roue dentée (23).with the toothed wheel (23). 3 - Vanne selon l'une des revendications 1  3 - valve according to one of claims 1 et 2, caractérisée en ce que la portion courbe (13) du corps tubulaire (11) est munie, à son extrémité opposée à la portion cylindrique (12), d'un pivot (17) coaxial à cette portion et tournant dans un logement (18a) approprié pratiqué dans la paroi (18) de  and 2, characterized in that the curved portion (13) of the tubular body (11) is provided, at its end opposite to the cylindrical portion (12), of a pivot (17) coaxial with this portion and rotating in a housing (18a) suitable practiced in the wall (18) of jonction des deux tronçons inclinés (9. 10).  junction of the two inclined sections (9. 10). 4 - Raccordement (7) en Y de deux conduits tubulaires (4, 5), équipé d'une vanne selon l'une des  4 - Connection (7) in Y of two tubular conduits (4, 5), equipped with a valve according to one of revendications 1 à 3, caractérisé en ce qu'il est  claims 1 to 3, characterized in that it is constitué de deux pièces moulées (19, 20) comportant chacune l'un des deux tronçons inclinés (9, 10) et jointes suivant le plan axial (P-P) du tronçon médian (8). - Dispositif de raccordement en Y de plu- sieurs paires de conduits tubulaires (4, 5) juxtaposés  consisting of two molded parts (19, 20) each comprising one of the two inclined sections (9, 10) and joined along the axial plane (P-P) of the median section (8). - Y connection device for several pairs of juxtaposed tubular conduits (4, 5) comportant plusieurs raccordements (7) en Y corres-  comprising several Y-shaped connections (7) pondants et juxtaposés, caractérisé en ce que, les tronçons médians respectifs (8) de chaque raccordement (7) étant parallèles et situés au droit d'un même plan radial, chacun d'eux est équipé d'une vanne rotative  laying and juxtaposed, characterized in that, the respective median sections (8) of each connection (7) being parallel and located in line with the same radial plane, each of them is equipped with a rotary valve conforme à l'une des revendications 1 à 3, susceptible  according to one of claims 1 to 3, susceptible d'être entraînée en rotation par une même crémaillère (24) solidaire d'une tige (25) qui coulisse perpendiculairement aux tronçons médians (8) dans une  to be driven in rotation by the same rack (24) integral with a rod (25) which slides perpendicular to the middle sections (8) in a traverse creuse (22) reliant ceux-ci.  hollow crosspiece (22) connecting these. 6 - Raccordement selon la revendication 4 ou  6 - Connection according to claim 4 or 5, faisant partie d'un dispositif d'admission d'un mo-  5, forming part of an engine intake device teur à combustion interne, caractérisé en ce que, chacun de ses deux tronçons inclinés (9, 10) étant associé à l'un de deux conduits (4, 5) d'aspiration de longueurs respectives différentes, ce raccordement  internal combustion tor, characterized in that, each of its two inclined sections (9, 10) being associated with one of two suction conduits (4, 5) of different respective lengths, this connection comporte une vanne selon l'une des revendications 1 à  comprises a valve according to one of claims 1 to 3. actionnée notamment par une crémaillère (24). en fonction d'au moins un paramètre de fonctionnement du  3. actuated in particular by a rack (24). based on at least one operating parameter of the moteur, tel que sa charge ou sa vitesse de rotation.  motor, such as its load or its speed of rotation.
FR8502137A 1985-02-14 1985-02-14 ROTARY VALVE FOR THE CONNECTION OF TWO TUBULAR CONDUITS, PARTICULARLY IN AN INDUCTION OR EXHAUST DEVICE OF AN INTERNAL COMBUSTION ENGINE Expired FR2577646B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8502137A FR2577646B1 (en) 1985-02-14 1985-02-14 ROTARY VALVE FOR THE CONNECTION OF TWO TUBULAR CONDUITS, PARTICULARLY IN AN INDUCTION OR EXHAUST DEVICE OF AN INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8502137A FR2577646B1 (en) 1985-02-14 1985-02-14 ROTARY VALVE FOR THE CONNECTION OF TWO TUBULAR CONDUITS, PARTICULARLY IN AN INDUCTION OR EXHAUST DEVICE OF AN INTERNAL COMBUSTION ENGINE

Publications (2)

Publication Number Publication Date
FR2577646A1 true FR2577646A1 (en) 1986-08-22
FR2577646B1 FR2577646B1 (en) 1987-10-30

Family

ID=9316284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8502137A Expired FR2577646B1 (en) 1985-02-14 1985-02-14 ROTARY VALVE FOR THE CONNECTION OF TWO TUBULAR CONDUITS, PARTICULARLY IN AN INDUCTION OR EXHAUST DEVICE OF AN INTERNAL COMBUSTION ENGINE

Country Status (1)

Country Link
FR (1) FR2577646B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276773A1 (en) * 1987-01-30 1988-08-03 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Intake system and control device therefor for internal-combustion engines
EP0382596A1 (en) * 1989-02-09 1990-08-16 Automobiles Peugeot Intake device for an internal-combustion engine
EP0578538A1 (en) * 1992-07-09 1994-01-12 Societe Europeenne De Propulsion (S.E.P.) S.A. Valve with electric actuator and a fluid tight obturator
US5379738A (en) * 1992-11-16 1995-01-10 Laimboeck; Franz Four-stroke cycle internal combustion engine
WO1997035103A1 (en) * 1996-03-19 1997-09-25 Magneti Marelli France Internal combustion engine air intake manifold with a retractable element having an acoustic bore
DE202005012790U1 (en) * 2005-08-11 2006-12-28 Mann + Hummel Gmbh Intake unit for an internal combustion engine with at least one intake pipe comprises a blocking element which at the branching point is slidable along a guide path
EP3660290A1 (en) * 2018-11-27 2020-06-03 Akrapovic d.d. Gas flow and sound control valve and exhaust gas system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR997961A (en) * 1945-09-14 1952-01-14 Low pressure drop valves
DE1600782A1 (en) * 1967-02-27 1970-07-16 Gen Descaling Company Ltd Pipeline
FR2121177A5 (en) * 1971-01-01 1972-08-18 Lucas Industries Ltd
JPS5893929A (en) * 1981-11-30 1983-06-03 Hino Motors Ltd Suction device for diesel engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR997961A (en) * 1945-09-14 1952-01-14 Low pressure drop valves
DE1600782A1 (en) * 1967-02-27 1970-07-16 Gen Descaling Company Ltd Pipeline
FR2121177A5 (en) * 1971-01-01 1972-08-18 Lucas Industries Ltd
JPS5893929A (en) * 1981-11-30 1983-06-03 Hino Motors Ltd Suction device for diesel engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 193 (M-238) [1338], 24 août 1983; & JP - A - 58 93 929 (HINO JIDOSHA KOGYO K.K.) 03.06.1983 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0276773A1 (en) * 1987-01-30 1988-08-03 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Intake system and control device therefor for internal-combustion engines
EP0382596A1 (en) * 1989-02-09 1990-08-16 Automobiles Peugeot Intake device for an internal-combustion engine
EP0578538A1 (en) * 1992-07-09 1994-01-12 Societe Europeenne De Propulsion (S.E.P.) S.A. Valve with electric actuator and a fluid tight obturator
FR2693533A1 (en) * 1992-07-09 1994-01-14 Europ Propulsion Electrically operated valve and distributor valve fully sealed.
US5356112A (en) * 1992-07-09 1994-10-18 Societe Europeenne De Propulsion Electrically controlled valve having a totally leakproof valve plug
US5379738A (en) * 1992-11-16 1995-01-10 Laimboeck; Franz Four-stroke cycle internal combustion engine
WO1997035103A1 (en) * 1996-03-19 1997-09-25 Magneti Marelli France Internal combustion engine air intake manifold with a retractable element having an acoustic bore
FR2746446A1 (en) * 1996-03-19 1997-09-26 Magneti Marelli France AIR INTAKE MANIFOLD, WITH BUILT-IN ACOUSTIC CONDUIT, FOR INTERNAL COMBUSTION ENGINES
US6073601A (en) * 1996-03-19 2000-06-13 Magneti Marelli France Internal combustion engine air intake manifold with a retractable element having an acoustic bore
DE202005012790U1 (en) * 2005-08-11 2006-12-28 Mann + Hummel Gmbh Intake unit for an internal combustion engine with at least one intake pipe comprises a blocking element which at the branching point is slidable along a guide path
EP3660290A1 (en) * 2018-11-27 2020-06-03 Akrapovic d.d. Gas flow and sound control valve and exhaust gas system
WO2020109036A1 (en) * 2018-11-27 2020-06-04 Akrapovic D.D. Gas flow and sound control valve and exhaust gas system
CN113302385A (en) * 2018-11-27 2021-08-24 天蝎排气股份有限公司 Gas flow and sound control valve and exhaust system
TWI754859B (en) * 2018-11-27 2022-02-11 斯洛維尼亞商蠍子管有限責任公司 An exhaust system of an internal combustion engine and a gas flow and sound control valve
CN113302385B (en) * 2018-11-27 2023-08-29 天蝎排气股份有限公司 Gas flow and sound control valve and exhaust system
US11965443B2 (en) 2018-11-27 2024-04-23 Akrapovic D.D. Gas flow and sound control valve for exhaust gas system

Also Published As

Publication number Publication date
FR2577646B1 (en) 1987-10-30

Similar Documents

Publication Publication Date Title
EP0701057B1 (en) Intake manifold with pivotable flaps for internal combustion engine
FR2609311A1 (en) PRESSURE EXCHANGER FOR LIQUIDS
EP1130295A1 (en) Butterfly valve and control assembly with such a valve
FR2534149A1 (en) FLUID FILTER
EP0888495B1 (en) Internal combustion engine air intake manifold with a retractable element having an acoustic bore
CA2610056C (en) Turboprop engine equipped with an adjustable blade direction assembly
FR2577646A1 (en) Rotary valve for connecting two circular ducts, especially in an inlet or exhaust device of an internal combustion engine
EP1269007B1 (en) Air intake manifold with sudden enlargement for internal combustion engine
CA2286381A1 (en) Turbojet thrust reverser with downstream obstacles
EP1717432B1 (en) Rotable exhaust nozzle for an aircraft engine
FR2906759A1 (en) Air vent for motor vehicle, has driving mechanism controlling shutter and including annular actuation ring movably mounted on body and connected in movement to shutter by Cardan joint possessing centre of rotation as of another Cardan joint
BE538717A (en)
EP1188912B1 (en) Air intake system for an IC engine
FR2682431A1 (en) Inlet manifold for a combustion engine
EP0334905B1 (en) Pneumatic motor with jet-propulsion disk
WO1993003260A1 (en) Rotary throttle valve and utilisation of said throttle valve for the transfer of a fluid to a combustion chamber of an internal combustion angine
EP1705361B1 (en) Nozzle comprising a system for the deviation of a gas flow
FR2534973A1 (en) BRAKE VALVE ON EXHAUST
FR2625543A1 (en) Novel valve for pipelines
FR2736701A1 (en) Two way three chamber valve for distribution of homogeneous and heterogeneous variable viscosity food products
EP1247957A1 (en) Air intake system for an internal combustion engine
FR2869357A1 (en) Thermal engine intake gas supply circuit for motor vehicle, has unit including outflow deflecting units when inlet conduit is coupled to one supply conduit for locally deflecting gas outflow in unit
FR2858013A1 (en) Internal combustion engine for motor vehicle, has single exhaust gas recirculation valve including inlets connected to corresponding gas recirculation circuit and outlet connected to corresponding intake pipe
FR2743111A1 (en) Motor vehicle I.C. engine inlet
FR2787828A1 (en) AIR INTAKE DISTRIBUTOR FOR AN INTERNAL COMBUSTION ENGINE

Legal Events

Date Code Title Description
ST Notification of lapse