JPS5756621A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
JPS5756621A
JPS5756621A JP55131973A JP13197380A JPS5756621A JP S5756621 A JPS5756621 A JP S5756621A JP 55131973 A JP55131973 A JP 55131973A JP 13197380 A JP13197380 A JP 13197380A JP S5756621 A JPS5756621 A JP S5756621A
Authority
JP
Japan
Prior art keywords
port
intake port
swirl
opened
vicinity
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
JP55131973A
Other languages
Japanese (ja)
Other versions
JPS615539B2 (en
Inventor
Akinobu Sugiura
Yoshio Sasaki
Kazuyuki Saito
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP55131973A priority Critical patent/JPS5756621A/en
Publication of JPS5756621A publication Critical patent/JPS5756621A/en
Publication of JPS615539B2 publication Critical patent/JPS615539B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B2275/18—DOHC [Double overhead camshaft]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • 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

Abstract

PURPOSE:To generate high output power and obtain low fuel consumption of an engine throughout its total operating range, by providing a primary intake port, for generating a high swirl, and a secondary intake port, of smaller diameter than said primary intake port and having a flow line control valve opened at a high load range in the upstream, in the vicinity of a spark plug. CONSTITUTION:A high swirl generating primary intake port 4 is opened in the vicinity of a spark plug 3 in a combustion chamber 2, an exhaust port 5 is opened to a face-to-face position to the port 4. Further in the vicinity of the above described port 4, there is provided a secondary intake port 6 in diameter smaller than that of the port 4 and generating a swirl in the same direction as the port 4, and a flow line control valve 9 opened at a high load range is further provided in the upstream of the port 6. Then intake valves 7, 8 are provided respectively in each of said intake ports 4, 6. In this way, a new mixture can be sucked into the combustion chamber 2 only from the primary intake port 4 to generate a high swirl in a low speed low load range. On the contrary, the new mixture can be sucked also from the secondary intake port 6 to fully produce a swirl and obtain high suction efficiency at the time of high speed and high load.
JP55131973A 1980-09-22 1980-09-22 Internal combustion engine Granted JPS5756621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55131973A JPS5756621A (en) 1980-09-22 1980-09-22 Internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55131973A JPS5756621A (en) 1980-09-22 1980-09-22 Internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5756621A true JPS5756621A (en) 1982-04-05
JPS615539B2 JPS615539B2 (en) 1986-02-19

Family

ID=15070551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55131973A Granted JPS5756621A (en) 1980-09-22 1980-09-22 Internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5756621A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196918A (en) * 1982-05-11 1983-11-16 Mitsubishi Electric Corp Workpiece cutting device
DE3347112A1 (en) * 1982-12-29 1984-07-12 Toyo Kogyo Co. Ltd., Hiroshima INTAKE SYSTEM FOR A PISTON INTERNAL COMBUSTION ENGINE
JPS6018226U (en) * 1983-07-15 1985-02-07 本田技研工業株式会社 Two-valve intake internal combustion engine
JPH01208517A (en) * 1988-02-12 1989-08-22 Honda Motor Co Ltd Direct injection type diesel engine
US5394845A (en) * 1991-10-15 1995-03-07 Mazda Motor Corporation Intake system for engine
EP1752644A1 (en) * 1999-12-24 2007-02-14 Isuzu Motors Limited Multiple intake valve engine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196918A (en) * 1982-05-11 1983-11-16 Mitsubishi Electric Corp Workpiece cutting device
DE3347112A1 (en) * 1982-12-29 1984-07-12 Toyo Kogyo Co. Ltd., Hiroshima INTAKE SYSTEM FOR A PISTON INTERNAL COMBUSTION ENGINE
JPS6018226U (en) * 1983-07-15 1985-02-07 本田技研工業株式会社 Two-valve intake internal combustion engine
JPH0231546Y2 (en) * 1983-07-15 1990-08-27
JPH01208517A (en) * 1988-02-12 1989-08-22 Honda Motor Co Ltd Direct injection type diesel engine
US5394845A (en) * 1991-10-15 1995-03-07 Mazda Motor Corporation Intake system for engine
EP1752644A1 (en) * 1999-12-24 2007-02-14 Isuzu Motors Limited Multiple intake valve engine

Also Published As

Publication number Publication date
JPS615539B2 (en) 1986-02-19

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