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JPS5724414A - Cylinder head - Google Patents

Cylinder head

Info

Publication number
JPS5724414A
JPS5724414A JP9759480A JP9759480A JPS5724414A JP S5724414 A JPS5724414 A JP S5724414A JP 9759480 A JP9759480 A JP 9759480A JP 9759480 A JP9759480 A JP 9759480A JP S5724414 A JPS5724414 A JP S5724414A
Authority
JP
Japan
Prior art keywords
edge
intake
cylinder head
causing
chamfered
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
JP9759480A
Other languages
Japanese (ja)
Other versions
JPH0359247B2 (en
Inventor
Nobuji Eguchi
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.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
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 Hino Motors Ltd filed Critical Hino Motors Ltd
Priority to JP9759480A priority Critical patent/JPS5724414A/en
Publication of JPS5724414A publication Critical patent/JPS5724414A/en
Publication of JPH0359247B2 publication Critical patent/JPH0359247B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

PURPOSE: To improve combustion efficiency, by providing an intake guide recess for causing a swirl and two intake guide recesses for causing a straightly descending flow, at the edge of the intake port of a cylinder head to produce an intense turbulence in a cylinder.
CONSTITUTION: Three portions of the edge 10 of an intake port 9 opened on the bottom of a cylinder head 7 are much chamfered to provide three intake guide recesses 11, 12, 12'. As for the first intake guide recess 1, the edge 10 of the intake port 9 is chamfered at a relatively small gradient angle to the bottom 8 of the cylinder head 7 so that the recess 11 has a relatively large length l1 outward from the edge 10 in the radial direction and a relatively large width W1. Though the edge 10 is likewise chamfered as to the other intake guide recesses 12, 12', their chamfering angle is relatively large and their length l2 and width W2 are relatively small. This results in causing an intake flow consisting of a swirl S and straightly descending flows L1, L2.
COPYRIGHT: (C)1982,JPO&Japio
JP9759480A 1980-07-18 1980-07-18 Cylinder head Granted JPS5724414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9759480A JPS5724414A (en) 1980-07-18 1980-07-18 Cylinder head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9759480A JPS5724414A (en) 1980-07-18 1980-07-18 Cylinder head

Publications (2)

Publication Number Publication Date
JPS5724414A true JPS5724414A (en) 1982-02-09
JPH0359247B2 JPH0359247B2 (en) 1991-09-10

Family

ID=14196555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9759480A Granted JPS5724414A (en) 1980-07-18 1980-07-18 Cylinder head

Country Status (1)

Country Link
JP (1) JPS5724414A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610679A1 (en) * 1993-01-14 1994-08-17 Yamaha Hatsudoki Kabushiki Kaisha Induction system for engine
US5487365A (en) * 1991-02-21 1996-01-30 Yamaha Hatsudoki Kabushiki Kaisha Induction system for engine
WO2023188881A1 (en) * 2022-03-30 2023-10-05 カワサキモータース株式会社 Two-stroke engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487365A (en) * 1991-02-21 1996-01-30 Yamaha Hatsudoki Kabushiki Kaisha Induction system for engine
EP0610679A1 (en) * 1993-01-14 1994-08-17 Yamaha Hatsudoki Kabushiki Kaisha Induction system for engine
WO2023188881A1 (en) * 2022-03-30 2023-10-05 カワサキモータース株式会社 Two-stroke engine

Also Published As

Publication number Publication date
JPH0359247B2 (en) 1991-09-10

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