JPS6238538B2 - - Google Patents

Info

Publication number
JPS6238538B2
JPS6238538B2 JP57087209A JP8720982A JPS6238538B2 JP S6238538 B2 JPS6238538 B2 JP S6238538B2 JP 57087209 A JP57087209 A JP 57087209A JP 8720982 A JP8720982 A JP 8720982A JP S6238538 B2 JPS6238538 B2 JP S6238538B2
Authority
JP
Japan
Prior art keywords
wall surface
valve
side wall
intake port
spiral
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
Application number
JP57087209A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58204933A (ja
Inventor
Mikio Nakajima
Takeshi Okumura
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 JP57087209A priority Critical patent/JPS58204933A/ja
Publication of JPS58204933A publication Critical patent/JPS58204933A/ja
Publication of JPS6238538B2 publication Critical patent/JPS6238538B2/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
    • F02F1/4228—Helically-shaped channels 
    • 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
    • F02B31/04—Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors
    • F02B31/042—Modifying induction systems for imparting a rotation to the charge in the cylinder by means within the induction channel, e.g. deflectors induction channel having a helical shape around the intake valve 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

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)
JP57087209A 1982-05-25 1982-05-25 ヘリカル型吸気ポ−ト Granted JPS58204933A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57087209A JPS58204933A (ja) 1982-05-25 1982-05-25 ヘリカル型吸気ポ−ト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57087209A JPS58204933A (ja) 1982-05-25 1982-05-25 ヘリカル型吸気ポ−ト

Publications (2)

Publication Number Publication Date
JPS58204933A JPS58204933A (ja) 1983-11-29
JPS6238538B2 true JPS6238538B2 (en]) 1987-08-18

Family

ID=13908551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57087209A Granted JPS58204933A (ja) 1982-05-25 1982-05-25 ヘリカル型吸気ポ−ト

Country Status (1)

Country Link
JP (1) JPS58204933A (en])

Also Published As

Publication number Publication date
JPS58204933A (ja) 1983-11-29

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