JPS5452220A - Air intake passage for engine - Google Patents

Air intake passage for engine

Info

Publication number
JPS5452220A
JPS5452220A JP11791877A JP11791877A JPS5452220A JP S5452220 A JPS5452220 A JP S5452220A JP 11791877 A JP11791877 A JP 11791877A JP 11791877 A JP11791877 A JP 11791877A JP S5452220 A JPS5452220 A JP S5452220A
Authority
JP
Japan
Prior art keywords
passage
primary
air intake
partition wall
section
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
JP11791877A
Other languages
Japanese (ja)
Other versions
JPS5945803B2 (en
Inventor
Hiroshi Kogure
Shuji Ikeguchi
Masayasu Nishikawa
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP52117918A priority Critical patent/JPS5945803B2/en
Publication of JPS5452220A publication Critical patent/JPS5452220A/en
Publication of JPS5945803B2 publication Critical patent/JPS5945803B2/en
Expired 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

Abstract

PURPOSE: To provide an air intake system for engine, in which its air intake passage is divided into a primary and a secondary sections, and the partition wall is twisted about 90 degrees at an upstream portion and a downstream portion to increase the mixture drawing speed and to give swirl to the mixture flow, whereby efficiency of combustion can be improved.
CONSTITUTION: Partition wall 15 is arranged in air intake passage 4, to divide the passage 4 into a primary section 16 communicated to primary passage 2 of carburetor 1 and having a relatively small cross section equal to that of the primary passage 2 and a secondary section 17 communicated to secondary passage 3 of carburetor 1 and having a relatively large cross section equal to that of the passage 3. The above partition wall 15 is twisted about 90 degrees at an upstream portion and a downstream portion. At the time of low-speed, low-load operation of engine 5, mixture is passed through the primary passage 2 of carburetor 1 and then through the primary section 16 of the intake passage 4 at a relatively high speed, and introduced into combustion chamber 6 with swirl being given to the mixture flow by the twisting of partition wall 15
COPYRIGHT: (C)1979,JPO&Japio
JP52117918A 1977-10-03 1977-10-03 Engine intake passage device Expired JPS5945803B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52117918A JPS5945803B2 (en) 1977-10-03 1977-10-03 Engine intake passage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52117918A JPS5945803B2 (en) 1977-10-03 1977-10-03 Engine intake passage device

Publications (2)

Publication Number Publication Date
JPS5452220A true JPS5452220A (en) 1979-04-24
JPS5945803B2 JPS5945803B2 (en) 1984-11-08

Family

ID=14723392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52117918A Expired JPS5945803B2 (en) 1977-10-03 1977-10-03 Engine intake passage device

Country Status (1)

Country Link
JP (1) JPS5945803B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520776A (en) * 1982-02-08 1985-06-04 Suzuki Jidosha Kogyo Kabushiki Kaisha Intake port structure for internal combustion engines
US4567860A (en) * 1981-03-16 1986-02-04 Yamaha Hatsudoki Kabushiki Kaisha Intake system for multiple cylinder engines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567860A (en) * 1981-03-16 1986-02-04 Yamaha Hatsudoki Kabushiki Kaisha Intake system for multiple cylinder engines
US4520776A (en) * 1982-02-08 1985-06-04 Suzuki Jidosha Kogyo Kabushiki Kaisha Intake port structure for internal combustion engines

Also Published As

Publication number Publication date
JPS5945803B2 (en) 1984-11-08

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