DE29915577U1 - Internal combustion engine with two intake valves per cylinder - Google Patents

Internal combustion engine with two intake valves per cylinder

Info

Publication number
DE29915577U1
DE29915577U1 DE29915577U DE29915577U DE29915577U1 DE 29915577 U1 DE29915577 U1 DE 29915577U1 DE 29915577 U DE29915577 U DE 29915577U DE 29915577 U DE29915577 U DE 29915577U DE 29915577 U1 DE29915577 U1 DE 29915577U1
Authority
DE
Germany
Prior art keywords
channel
sub
cylinder head
inlet
cylinder
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
DE29915577U
Other languages
German (de)
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.)
AVL List GmbH
Original Assignee
AVL List GmbH
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 AVL List GmbH filed Critical AVL List GmbH
Publication of DE29915577U1 publication Critical patent/DE29915577U1/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B31/00—Modifying induction systems for imparting a rotation to the charge in the cylinder
    • F02B31/08—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets
    • F02B31/085—Modifying induction systems for imparting a rotation to the charge in the cylinder having multiple air inlets having two inlet 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/48—Tumble motion in gas movement in cylinder
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Zylinderkopf (2) für eine Brennkraftmaschine mit zwei Einlaßventilen (4, 5) je Zylinder (1), zu welchen jeweils ein Einlaßkanal (6, 7) führt, wobei einer der beiden Einlaßkanäle (6, 7) als Neutralkanal ausgebildet und ein Einlaßkanal (7) mit einer in seiner Längs­ richtung verlaufenden und sich über die gesamte Kanalhöhe erstreckenden Trennwand (8) versehen ist, die sich von einer Flanschfläche (10) des Zylinderkopfes (2) bis in den Ventilraum des Einlaßventiles (5) erstreckt und welche zwei Teilkanäle (8a, 8b) ausbil­ det, die sich im Bereich des Einlaßventils (5) wieder vereinigen, wobei der Durchfluß durch zumindest einen Teilkanal (8b) durch ein Steuerorgan (9) steuerbar ist, dadurch gekennzeichnet, daß die Trennwand (8) in dem als Neutralkanal ausgebildeten Einlaß­ kanal (7) angeordnet ist und der andere Einlaßkanal (6) drallerzeugend ausgebildet ist, wobei das Steuerorgan (9) im Neutralkanal oder einem zu diesem führenden Einlaßrohr angeordnet ist.1. Cylinder head ( 2 ) for an internal combustion engine with two intake valves ( 4 , 5 ) per cylinder ( 1 ), to each of which an intake port ( 6 , 7 ) leads, one of the two intake ports ( 6 , 7 ) being designed as a neutral port and one Inlet duct ( 7 ) is provided with a partition ( 8 ) extending in its longitudinal direction and extending over the entire duct height, which extends from a flange surface ( 10 ) of the cylinder head ( 2 ) into the valve chamber of the inlet valve ( 5 ) and which two sub-channels ( 8 a, 8 b) ausbil det, which reunite in the region of the inlet valve ( 5 ), the flow through at least one sub-channel ( 8 b) being controllable by a control element ( 9 ), characterized in that the partition ( 8 ) in the inlet channel designed as a neutral channel ( 7 ) is arranged and the other inlet channel ( 6 ) is designed to generate swirl, the control member ( 9 ) in the neutral channel or one leading to it n inlet pipe is arranged. 2. Zylinderkopf (2) nach Anspruch 1, dadurch gekennzeichnet, daß zumindest einer der beiden Einlaßkanäle (6, 7) von einer in Motorlängsrichtung liegenden Flanschebene (10) ausgeht, die in einem Winkel (α) größer Null zur Zylinderachse (3) angeordnet ist, wo­ bei der Winkel (α) vorzugsweise zwischen 60° und 90°, besonders vorzugsweise etwa 90° beträgt.2. Cylinder head ( 2 ) according to claim 1, characterized in that at least one of the two inlet channels ( 6 , 7 ) starts from a flange plane ( 10 ) lying in the longitudinal direction of the engine, which is arranged at an angle (α) greater than zero to the cylinder axis ( 3 ) is where the angle (α) is preferably between 60 ° and 90 °, particularly preferably about 90 °. 3. Zylinderkopf (2) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Trennwand (8) - in Richtung der Zylinderachse (3) betrachtet - im Bereich des Einlaßventiles (5) mit einer Verbindungsgeraden (11) zwischen der Zylindermitte (3) und der Ventilmitte (5a) des Einlaßventiles (5) einen Winkel (ϕ) zwischen 60° und 120°, vorzugsweise etwa 90° einschließt.3. Cylinder head ( 2 ) according to claim 1 or 2, characterized in that the partition ( 8 ) - viewed in the direction of the cylinder axis ( 3 ) - in the region of the inlet valve ( 5 ) with a connecting straight line ( 11 ) between the cylinder center ( 3 ) and the valve center ( 5 a) of the inlet valve ( 5 ) includes an angle (ϕ) between 60 ° and 120 °, preferably about 90 °. 4. Zylinderkopf (2) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch das Steuerorgan (9) nur einer der beiden Teilkanäle (8b) verschließbar ist, wobei der verschließbare Teilkanal (8b) im Bereich der Mündung in den Brennraum einen ge­ ringeren Abstand von der Zylinderachse (3) aufweist, als der andere Teilkanal (8a).4. Cylinder head ( 2 ) according to one of claims 1 to 3, characterized in that only one of the two sub-channels ( 8 b) can be closed by the control member ( 9 ), the closable sub-channel ( 8 b) in the region of the mouth in the Combustion chamber has a smaller distance from the cylinder axis ( 3 ) than the other subchannel ( 8 a). 5. Zylinderkopf (2) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch das Steuerorgan (9) nur einer der beiden Teilkanäle (8a) verschließbar ist, wobei der verschließbare Teilkanal (8a) im Bereich der Mündung in den Brennraum einen grö­ ßeren Abstand von der Zylinderachse (3) aufweist als der andere Teilkanal (8b).5. Cylinder head ( 2 ) according to one of claims 1 to 3, characterized in that only one of the two sub-channels ( 8 a) can be closed by the control member ( 9 ), the lockable sub-channel ( 8 a) in the region of the mouth in the Combustion chamber has a larger distance from the cylinder axis ( 3 ) than the other sub-channel ( 8 b). 6. Zylinderkopf (2) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß jeder der beiden Teilkanäle (8a, 8b) durch je ein Steuerorgan (9) verschließbar ist. 6. Cylinder head ( 2 ) according to one of claims 1 to 3, characterized in that each of the two sub-channels ( 8 a, 8 b) can be closed by a control member ( 9 ). 7. Zylinderkopf (2) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der drallerzeugend ausgebildete Einlaßkanal (6) ein Tangentialkanal ist.7. Cylinder head ( 2 ) according to one of claims 1 to 6, characterized in that the swirl-generating inlet channel ( 6 ) is a tangential channel. 8. Zylinderkopf (2) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der drallerzeugend ausgebildete Einlaßkanal (6) ein Spiralkanal ist.8. Cylinder head ( 2 ) according to one of claims 1 to 7, characterized in that the swirl-generating inlet duct ( 6 ) is a spiral duct.
DE29915577U 1998-09-11 1999-09-04 Internal combustion engine with two intake valves per cylinder Expired - Lifetime DE29915577U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0060098U AT3137U1 (en) 1998-09-11 1998-09-11 INTERNAL COMBUSTION ENGINE WITH TWO INLET VALVES PER CYLINDER

Publications (1)

Publication Number Publication Date
DE29915577U1 true DE29915577U1 (en) 2000-04-13

Family

ID=3494881

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29915577U Expired - Lifetime DE29915577U1 (en) 1998-09-11 1999-09-04 Internal combustion engine with two intake valves per cylinder
DE19942169A Expired - Fee Related DE19942169C2 (en) 1998-09-11 1999-09-04 Internal combustion engine with two intake valves per cylinder

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19942169A Expired - Fee Related DE19942169C2 (en) 1998-09-11 1999-09-04 Internal combustion engine with two intake valves per cylinder

Country Status (3)

Country Link
JP (1) JP3067786U (en)
AT (1) AT3137U1 (en)
DE (2) DE29915577U1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3807207B2 (en) * 1999-12-24 2006-08-09 いすゞ自動車株式会社 Multi-valve intake engine
FR2814196B1 (en) * 2000-09-15 2003-02-14 Renault AIR INTAKE DEVICE IN A COMBUSTION ENGINE CYLINDER
AT5487U1 (en) 2001-01-29 2002-07-25 Avl List Gmbh INLET CHANNEL ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE
DE10128500C1 (en) * 2001-06-12 2003-02-06 Ulrich Spicher Guiding system for fluid fed into the cylinders of an internal combustion engine comprises guide elements rotating in opposite directions about the main flow axes of inlet channels
FR2836959B1 (en) * 2002-03-05 2006-06-23 Renault AIR INTAKE DEVICE IN A COMBUSTION ENGINE CYLINDER
AT413856B (en) * 2002-08-23 2006-06-15 Avl List Gmbh Air intake channel arrangement for cylinder head of IC engine using tangential primary air intake channel and secondary air intake channel provided with control device for altering inlet flow rotation
DE10338132B4 (en) * 2002-08-23 2005-11-10 Avl List Gmbh Intake passage arrangement for an internal combustion engine
JP4325173B2 (en) * 2002-11-01 2009-09-02 三菱自動車工業株式会社 Direct injection diesel engine
FR2849676B1 (en) * 2003-01-07 2006-12-01 Renault Sa CYLINDER HEAD FOR DIRECT INJECTION DIESEL ENGINE COMPRISING MEANS FOR IMPROVING THE "SWIRL-PERMEABILITY" COMPROMISE
FR2871196B1 (en) * 2004-06-08 2009-03-13 Renault Sas INTERNAL COMBUSTION ENGINE HEAD
FR2888285B1 (en) * 2005-07-08 2007-09-14 Renault Sas INTAKE SYSTEM FOR DIRECT INJECTION ENGINES WITH CONTINUOUSLY VARIABLE TOURBILLON GENERATION DEVICE
FR2895023A1 (en) * 2005-12-20 2007-06-22 Renault Sas Internal combustion engine e.g. direct injection diesel engine, controlling method for private vehicle, involves closing one of intake ducts during engine cycle when temperature/speed of engine is lower than preset threshold
DE102017109017A1 (en) 2017-04-27 2018-10-31 Schaeffler Technologies AG & Co. KG Internal combustion engine and method of controlling the intake air flow rate of a combustion piston engine
JP6821521B2 (en) * 2017-06-26 2021-01-27 株式会社クボタ engine
JP6804396B2 (en) * 2017-06-26 2020-12-23 株式会社クボタ engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6158921A (en) * 1984-08-29 1986-03-26 Toyota Motor Corp Intake device of internal-combustion engine
JPS61286528A (en) * 1985-06-13 1986-12-17 Toyota Motor Corp Siamese type intake port device of internal-combustion engine
DE3772297D1 (en) * 1986-08-14 1991-09-26 Avl Verbrennungskraft Messtech INLET CHANNEL FOR INTERNAL COMBUSTION ENGINES.
US4856473A (en) * 1987-08-25 1989-08-15 Toyota Jidosha Kabushiki Kaisha Internal combustion engine with multiple intake valves and EGR arrangement
AT402326B (en) * 1989-06-06 1997-04-25 Avl Verbrennungskraft Messtech CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
DE19942169C2 (en) 2002-03-14
DE19942169A1 (en) 2000-03-16
AT3137U1 (en) 1999-10-25
JP3067786U (en) 2000-04-11

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000518

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021203

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20051019

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20071022

R071 Expiry of right