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JPS5786522A - 2-cycle gasoline engine - Google Patents

2-cycle gasoline engine

Info

Publication number
JPS5786522A
JPS5786522A JP16011880A JP16011880A JPS5786522A JP S5786522 A JPS5786522 A JP S5786522A JP 16011880 A JP16011880 A JP 16011880A JP 16011880 A JP16011880 A JP 16011880A JP S5786522 A JPS5786522 A JP S5786522A
Authority
JP
Japan
Prior art keywords
air bleed
scavenging
cylinder
reduced
crankcase
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
JP16011880A
Other languages
Japanese (ja)
Other versions
JPS6236135B2 (en
Inventor
Mataji Tateishi
Tadashi Fukuyoshi
Hiroshi Nakagawa
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP16011880A priority Critical patent/JPS5786522A/en
Publication of JPS5786522A publication Critical patent/JPS5786522A/en
Publication of JPS6236135B2 publication Critical patent/JPS6236135B2/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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Supercharger (AREA)

Abstract

PURPOSE: To fully obtain a scavenging flow amount and good scavenging efficiency, by relatively increasing compression pressure in a crankcase even when partially loaded.
CONSTITUTION: When partially loaded, an air intake throttle valve 201 is reduced to decrease a mixture amount, and if reduced to not less than a certain value, an air bleed throttle valve 15 begins to be opened by an interlocking device 17. A rotary valve 14 in an air bleed device 12 is synchronized with a crankshaft 11, and a cylinder 6 and crank case 4 are communicated by a rotary valve driving gear 16 till a piston 9 of compression stroke closes a scavenging port 5 and air bleed port 13, then an inflammable mixture in the cylinder 6 is bled and partially returned to the crankcase 4.
COPYRIGHT: (C)1982,JPO&Japio
JP16011880A 1980-11-15 1980-11-15 2-cycle gasoline engine Granted JPS5786522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16011880A JPS5786522A (en) 1980-11-15 1980-11-15 2-cycle gasoline engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16011880A JPS5786522A (en) 1980-11-15 1980-11-15 2-cycle gasoline engine

Publications (2)

Publication Number Publication Date
JPS5786522A true JPS5786522A (en) 1982-05-29
JPS6236135B2 JPS6236135B2 (en) 1987-08-05

Family

ID=15708245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16011880A Granted JPS5786522A (en) 1980-11-15 1980-11-15 2-cycle gasoline engine

Country Status (1)

Country Link
JP (1) JPS5786522A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237119A (en) * 1983-12-29 1985-11-26 ブランズウイツク　コ−ポレ−シヨン Stratified combustion type two-cycle engine
EP0349149A2 (en) * 1988-06-30 1990-01-03 Ricardo Group Plc Two-stroke engines
DE4027164A1 (en) * 1989-08-29 1991-03-14 Fuji Heavy Ind Ltd IDLE SPEED CONTROL SYSTEM FOR A TWO-STROKE COMBUSTION ENGINE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491201U (en) * 1972-04-04 1974-01-08
JPS54130103U (en) * 1978-03-02 1979-09-10

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491201U (en) * 1972-04-04 1974-01-08
JPS54130103U (en) * 1978-03-02 1979-09-10

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237119A (en) * 1983-12-29 1985-11-26 ブランズウイツク　コ−ポレ−シヨン Stratified combustion type two-cycle engine
EP0349149A2 (en) * 1988-06-30 1990-01-03 Ricardo Group Plc Two-stroke engines
DE4027164A1 (en) * 1989-08-29 1991-03-14 Fuji Heavy Ind Ltd IDLE SPEED CONTROL SYSTEM FOR A TWO-STROKE COMBUSTION ENGINE
US5031594A (en) * 1989-08-29 1991-07-16 Fuji Jukogyo Kabushiki Kaisha Idle speed control system for a two-cycle engine

Also Published As

Publication number Publication date
JPS6236135B2 (en) 1987-08-05

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