ES2171313T3 - BUTTERFLY VALVE BODY WITH SELF-FOCUSED BUTTERFLY. - Google Patents

BUTTERFLY VALVE BODY WITH SELF-FOCUSED BUTTERFLY.

Info

Publication number
ES2171313T3
ES2171313T3 ES98956976T ES98956976T ES2171313T3 ES 2171313 T3 ES2171313 T3 ES 2171313T3 ES 98956976 T ES98956976 T ES 98956976T ES 98956976 T ES98956976 T ES 98956976T ES 2171313 T3 ES2171313 T3 ES 2171313T3
Authority
ES
Spain
Prior art keywords
butterfly
duct
self
reliefs
wall
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.)
Expired - Lifetime
Application number
ES98956976T
Other languages
Spanish (es)
Inventor
Jean-Pierre Joigneau
Claude Pajard
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.)
Marelli France SAS
Original Assignee
Magneti Marelli France SAS
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 Magneti Marelli France SAS filed Critical Magneti Marelli France SAS
Application granted granted Critical
Publication of ES2171313T3 publication Critical patent/ES2171313T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/104—Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

Cuerpo de válvula de mariposa para dispositivo de inyección de combustible para motor de combustión interna, que comprende: - una caja (2) en la cual está practicado un conducto de emisión de aire (3) que comprende una pared interior (4), y - una mariposa (6) en forma de disco (10) sensiblemente circular o ligeramente elíptico, montado sobre un eje medio de rotación (5), transversal al conducto (3), que divide este conducto en una parte corriente arriba (8) y una parte corriente abajo (9), y desplazable entre una posición de apertura mínima y una posición de apertura máxima para la cual el plano de la mariposa está orientado sensiblemente paralelamente al eje X-X del conducto de admisión (3), teniendo la parte de la mariposa (6) que gira hacia la parte corriente arriba (8) del conducto (3), respectivamente hacia la parte corriente abajo (9), a partir de la posición de apertura mínima, una forma de semidisco plano (12, 13) que posee un canto (11) de pequeño espesor con respecto a su superficie, comprendiendo la pared (4) del conducto (3) unos medios de autocentrado (15) de la mariposa (6) que cooperan con el canto (11) de la mariposa (6), caracterizado porque los medios de autocentrado (15) comprenden unos primeros relieves (16) en resalte hacia el interior del conducto (3), y el canto (11) de la mariposa (6) presenta unos segundos relieves (17) en resalte hacia la pared (4) del conducto (3), siendo los primeros (16) y segundos (17) relieves sensiblemente de forma complementaria.Butterfly valve body for fuel injection device for internal combustion engine, comprising: - a box (2) in which an air emission duct (3) comprising an inner wall (4), and - a disc-shaped butterfly (6) substantially circular or slightly elliptical, mounted on a medium axis of rotation (5), transverse to the duct (3), which divides this duct into an upstream part (8) and a downstream part (9), and movable between a minimum opening position and a maximum opening position for which the plane of the butterfly is oriented substantially parallel to the axis XX of the intake duct (3), the part of the butterfly (6) that rotates towards the upstream part (8) of the duct (3), respectively towards the downstream part (9), from the minimum opening position, a flat half-disk shape (12, 13) that it has a song (11) of small thickness with r its surface, the wall (4) of the duct (3) comprising self-centering means (15) of the butterfly (6) cooperating with the edge (11) of the butterfly (6), characterized in that the self-centering means (15) comprise first reliefs (16) in projection towards the inside of the conduit (3), and the edge (11) of the butterfly (6) has second reliefs (17) in projection towards the wall (4) of the conduit (3), the first (16) and second (17) being reliefs being substantially complementary.

ES98956976T 1997-12-01 1998-11-27 BUTTERFLY VALVE BODY WITH SELF-FOCUSED BUTTERFLY. Expired - Lifetime ES2171313T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9715078A FR2771777B1 (en) 1997-12-01 1997-12-01 BUTTERFLY BODY TO SELF-CENTERED BUTTERFLY

Publications (1)

Publication Number Publication Date
ES2171313T3 true ES2171313T3 (en) 2002-09-01

Family

ID=9513995

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98956976T Expired - Lifetime ES2171313T3 (en) 1997-12-01 1998-11-27 BUTTERFLY VALVE BODY WITH SELF-FOCUSED BUTTERFLY.

Country Status (6)

Country Link
EP (1) EP1036265B1 (en)
BR (1) BR9814716A (en)
DE (1) DE69803226T2 (en)
ES (1) ES2171313T3 (en)
FR (1) FR2771777B1 (en)
WO (1) WO1999028609A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375871B1 (en) * 1999-11-01 2004-12-29 Denso Corporation Method for assembling a valve for intake air controller for internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1600880A1 (en) * 1951-01-28 1971-09-16 Pierburg Kg A throttle
US4356801A (en) * 1981-02-02 1982-11-02 Chrysler Corporation Throttle body fuel injection
US4860706A (en) * 1987-09-14 1989-08-29 Aisan Kogyo Kabushiki Kaisha Throttle body
FR2650360B1 (en) * 1989-07-28 1991-11-29 Peugeot BUTTERFLY VALVE
JP2863876B2 (en) * 1991-03-01 1999-03-03 愛三工業株式会社 Slottle valve assembly device
JPH05296067A (en) * 1992-04-20 1993-11-09 Aisan Ind Co Ltd Intake control device for internal combustion engine
FR2729729B1 (en) * 1995-01-20 1997-04-04 Magneti Marelli France ELLIPTICALLY SHOCKING BODY, MANUFACTURING METHOD THEREOF AND VALVE, SUCH AS BUTTERFLY BODY, COMPRISING SAME

Also Published As

Publication number Publication date
FR2771777B1 (en) 2000-01-28
EP1036265B1 (en) 2002-01-16
BR9814716A (en) 2000-10-03
WO1999028609A1 (en) 1999-06-10
EP1036265A1 (en) 2000-09-20
DE69803226D1 (en) 2002-02-21
DE69803226T2 (en) 2002-09-19
FR2771777A1 (en) 1999-06-04

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