EP0392057B1 - Füllungssteller für ein Kraftfahrzeug - Google Patents

Füllungssteller für ein Kraftfahrzeug Download PDF

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Publication number
EP0392057B1
EP0392057B1 EP89106653A EP89106653A EP0392057B1 EP 0392057 B1 EP0392057 B1 EP 0392057B1 EP 89106653 A EP89106653 A EP 89106653A EP 89106653 A EP89106653 A EP 89106653A EP 0392057 B1 EP0392057 B1 EP 0392057B1
Authority
EP
European Patent Office
Prior art keywords
throttle valve
opening
throttle
section
flow regulator
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
EP89106653A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0392057A1 (de
Inventor
Udo Dipl.-Ing. Frinzel (Fh)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP89106653A priority Critical patent/EP0392057B1/de
Priority to DE8989106653T priority patent/DE58901284D1/de
Priority to ES198989106653T priority patent/ES2030550T3/es
Priority to US07/497,928 priority patent/US4966122A/en
Priority to JP2093295A priority patent/JPH02294542A/ja
Publication of EP0392057A1 publication Critical patent/EP0392057A1/de
Application granted granted Critical
Publication of EP0392057B1 publication Critical patent/EP0392057B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M3/00—Idling devices for carburettors
    • F02M3/06—Increasing idling speed

Definitions

  • the invention relates to a filling plate for motor vehicles according to the preamble of claims 1 or 2.
  • Such a filling plate is known from US Pat. No. 4,474,152.
  • the opening is round, so that the throttle valve does not run over a boundary edge of this opening cross-section running parallel to its peripheral edge during its opening movement between the closed position and the intermediate position. This is important because otherwise noise and deformation of the actuator characteristic can occur. The reason for this can be found in such parallel edges. If the throttle valve passes over such a parallel edge, the effective throttle cross-section of the throttle valve connector changes abruptly due to the additional or omitted area over the opening cross-section of the idle filling actuator, through which additional air can flow. This results in the deformation of the actuator characteristic in the area of the opening towards larger air throughput values, which runs counter to the attempt to keep the actuator characteristic as constant as possible.
  • the object of the invention is to make a throttle valve connector with connection openings for connecting an idle filling actuator as short as possible, with a finely adjustable change in the throttle cross-section to be achieved when crossing the boundary edge.
  • a throttle valve 2 is rotatably mounted in the throttle valve neck 1.
  • an idling fill actuator 3 indicated in the drawing is flanged directly, via which a corresponding partial air flow T can be adjusted when the throttle valve 2 is closed and the internal combustion engine is idling.
  • FIG. 2 An inlet opening 31 and an outlet opening 32 of the idle filling actuator 3 is shown in FIG. 2 in a top view in the direction of arrow II in FIG. 1. The surrounding parts are omitted.
  • the cross section of the inlet opening 31 is rectangular in plan view minus the area of a triangle formed by a body 311 inserted into the inlet opening 31.
  • the body 311 is on the inside of the idle filling actuator flattened out in order to hinder the partial air flow T as little as possible.
  • the throttle valve 2 If the throttle valve 2 is now opened, it reaches the lower boundary edge of the rectangular area of the inlet opening 31 at a throttle valve angle ⁇ of approximately 10 °. If the body 311 were not present, the edge edge of the throttle valve and the lower boundary edge of the inlet opening 31 would be parallel to one another . Due to the small air gap between the two edges at such a small throttle valve angle ⁇ , the air flowing through would then lead to whistling noises. In addition, when the throttle valve 2 is opened further after passing the parallel boundary edge of the inlet opening 31, a larger throttle cross section would result abruptly via the inlet opening 31.
  • the triangular shape of the body 311 in plan view in the opening cross section of the inlet opening 31 ensures that the throttle valve 2 does not pass any parallel edges during its further opening movement.
  • the throttle valve 2 only runs over a minimal parallel boundary edge at the tip of the triangle. However, this does not matter because of its "punctiform" length and because of the large air gap between the edge of the throttle valve 2 and the opening cross section.
  • the upper boundary edge of the inlet opening 31 is already above a throttle valve angle 1. This defines an intermediate position of the throttle valve 2, above which the influence of a parallel boundary edge of the inlet opening 31 no longer plays a role.
  • the outlet opening 32 has a round cross section in plan view. It is formed by a piece of pipe, which is in a bore in the wall of the throttle valve connector 1, into the interior of the throttle valve connector 1 protrudes and, as can be seen in Figure 1, is cut obliquely.
  • the section plane forms an acute angle with the tip against the air flow with the longitudinal axis of the throttle valve assembly. This creates a shield with respect to the main air flow Q, in the flow shadow of which all boundary edges of the outflow opening 32 lie.
  • the partial air flow T coming via the idle fill actuator 3 can flow more easily into the throttle valve connector 1, which improves the air throughput rate of the idle fill actuator 3.
  • FIG. 3 shows a diagram with two actuator characteristics K1, K2.
  • the main air flow Q measured in kilograms per hour, is plotted in degrees over the throttle valve angle ⁇ .
  • the actuator characteristic curve (K1) is recorded without the device according to the invention, that is, without the use of the body 311 and the pipe section 321.
  • the throttle valve 2 then reaches the lower, parallel boundary edge of the inlet opening 31 and 20 at its opening movement at ⁇ equal to 10 ° ° the upper boundary edge of the inlet opening 31.
  • the air flow characteristic K1 in FIG. 3 accordingly shows a deformation in this angular range from 10 to 20 ° towards larger values of the main air flow Q.
  • the reason for this is the parallel lower boundary edge of the inlet opening 31 and the abrupt associated therewith Changing the throttle cross-section when crossing this boundary edge.
  • the actuator characteristic curve K2 is recorded using the body 311 and the pipe section 321. It shows that the avoidance of boundary edges of the inlet opening 31 which are parallel to the edge of the throttle valve edge again results in a uniform, parabolic-shaped actuator characteristic curve as would also be present without the presence of an integrated idling filling actuator 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Lift Valve (AREA)
  • Body Structure For Vehicles (AREA)
EP89106653A 1989-04-13 1989-04-13 Füllungssteller für ein Kraftfahrzeug Expired - Lifetime EP0392057B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP89106653A EP0392057B1 (de) 1989-04-13 1989-04-13 Füllungssteller für ein Kraftfahrzeug
DE8989106653T DE58901284D1 (de) 1989-04-13 1989-04-13 Fuellungssteller fuer ein kraftfahrzeug.
ES198989106653T ES2030550T3 (es) 1989-04-13 1989-04-13 Regulador de llenado para un automovil.
US07/497,928 US4966122A (en) 1989-04-13 1990-03-23 Bypass throttle control for a motor vehicle
JP2093295A JPH02294542A (ja) 1989-04-13 1990-04-10 自動車の充てん調整装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89106653A EP0392057B1 (de) 1989-04-13 1989-04-13 Füllungssteller für ein Kraftfahrzeug

Publications (2)

Publication Number Publication Date
EP0392057A1 EP0392057A1 (de) 1990-10-17
EP0392057B1 true EP0392057B1 (de) 1992-04-29

Family

ID=8201226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106653A Expired - Lifetime EP0392057B1 (de) 1989-04-13 1989-04-13 Füllungssteller für ein Kraftfahrzeug

Country Status (5)

Country Link
US (1) US4966122A (es)
EP (1) EP0392057B1 (es)
JP (1) JPH02294542A (es)
DE (1) DE58901284D1 (es)
ES (1) ES2030550T3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3715334B2 (ja) * 1994-05-10 2005-11-09 ヤマハマリン株式会社 船外機用エンジンの吸気装置
JP3114625B2 (ja) * 1996-08-29 2000-12-04 トヨタ自動車株式会社 内燃機関のエアアシスト装置
US5924398A (en) 1997-10-06 1999-07-20 Ford Global Technologies, Inc. Flow improvement vanes in the intake system of an internal combustion engine
US5947082A (en) * 1997-11-05 1999-09-07 Ford Global Technologies, Inc. Idle air bypass valve silencer
KR100387853B1 (ko) * 2000-12-29 2003-06-18 현대자동차주식회사 엔진의 스로틀바디 흡기소음 저감구조
KR20030030696A (ko) * 2001-10-12 2003-04-18 현대자동차주식회사 드로틀 바디의 흡기 소음 방지장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327694A (en) * 1965-10-13 1967-06-27 Nissan Motor Fuel saving device for an automobile having a carburetor
DE1804790A1 (de) * 1968-10-24 1970-09-17 Bosch Gmbh Robert Regelung der Leerlaufdrehzahl von Brennkraftmaschinen
FR1594991A (es) * 1968-01-03 1970-06-08
US3575390A (en) * 1968-05-24 1971-04-20 Acf Ind Inc Carburetion
GB1480011A (en) * 1975-06-19 1977-07-20 Ford Motor Co Idle system in a carburettor having a variable area venturi
US4146594A (en) * 1975-07-10 1979-03-27 Jean Raud Fuel flow control device
DE2655171C3 (de) * 1976-12-06 1980-03-20 Bayerische Motoren Werke Ag, 8000 Muenchen Regeleinrichtung für die Leerlaufdrehzahl von Brennkraftmaschinen, insbesondere fremdgezündeten Einspritz-Brennkraftm aschinen
DE3022999C2 (de) * 1980-06-20 1985-03-28 Pierburg Gmbh & Co Kg, 4040 Neuss Einrichtung zur betriebsabhängigen Schließbegrenzung einer Vergaser-Hauptdrossel
JPS6212843Y2 (es) * 1980-07-22 1987-04-03
JPS6214353Y2 (es) * 1981-05-11 1987-04-13
US4438049A (en) * 1982-09-07 1984-03-20 Ford Motor Company Carburetor engine idle speed air bypass
JPH06622Y2 (ja) * 1986-12-26 1994-01-05 三菱電機株式会社 機関の補助空気制御弁

Also Published As

Publication number Publication date
US4966122A (en) 1990-10-30
JPH02294542A (ja) 1990-12-05
EP0392057A1 (de) 1990-10-17
DE58901284D1 (de) 1992-06-04
ES2030550T3 (es) 1992-11-01

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