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JPS5791317A - Two-cycle internal combustion engine - Google Patents

Two-cycle internal combustion engine

Info

Publication number
JPS5791317A
JPS5791317A JP16614380A JP16614380A JPS5791317A JP S5791317 A JPS5791317 A JP S5791317A JP 16614380 A JP16614380 A JP 16614380A JP 16614380 A JP16614380 A JP 16614380A JP S5791317 A JPS5791317 A JP S5791317A
Authority
JP
Japan
Prior art keywords
scavenging
pressure
combustion chamber
valve
fresh mixture
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.)
Pending
Application number
JP16614380A
Other languages
Japanese (ja)
Inventor
Kazuo Yamagishi
Fujio Shoji
Tokuichi Yokoyama
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.)
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas 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 Tokyo Gas Co Ltd filed Critical Tokyo Gas Co Ltd
Priority to JP16614380A priority Critical patent/JPS5791317A/en
Publication of JPS5791317A publication Critical patent/JPS5791317A/en
Pending 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

  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

PURPOSE: To provide a two-cycle internal combustion engine of high efficiency, simple constitution and low air pollution, by fitting a self-closing scavenging valve at a scavenging port and causing the valve to open or close in connection with the relationship between the scavenging pressure and the pressure of a combustion chamber.
CONSTITUTION: As a crankshaft 4 rotates in the direction of an arrow and a piston 5 goes up and a fresh mixture is sucked into a crankcase 3, the pressure of a combustion chamber 2 is higher than the scavenging pressure so that a scavenging valve 9 is entirely closed and an exhaust port 6 is closed. For that reason, scavenging gas (fresh mixture) in a cylinder 1 is compressed. As the piston 5 goes down after ignition by a spark plug 16 for the piston at the top dead center, the fresh mixture in the crankcase 3 is first compressed and the exhaust gas is second released through the open exhaust port 6. When the pressure of the fresh mixture in the crankcase 3 has exceeded that of the combustion chamber 2, the scavenging valve 9 is opened against a spring 11 so that the scavenging gas flows into the combustion chamber 2 through the scavenging port 8.
COPYRIGHT: (C)1982,JPO&Japio
JP16614380A 1980-11-26 1980-11-26 Two-cycle internal combustion engine Pending JPS5791317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16614380A JPS5791317A (en) 1980-11-26 1980-11-26 Two-cycle internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16614380A JPS5791317A (en) 1980-11-26 1980-11-26 Two-cycle internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5791317A true JPS5791317A (en) 1982-06-07

Family

ID=15825836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16614380A Pending JPS5791317A (en) 1980-11-26 1980-11-26 Two-cycle internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5791317A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102428U (en) * 1987-12-25 1989-07-11
JPH02207130A (en) * 1989-02-07 1990-08-16 Mitsubishi Heavy Ind Ltd Two-cycle engine
DE4007466A1 (en) * 1990-03-09 1991-02-14 Franz Josef Knott Reduced emissions two=stroke IC engine - has separately lubricated piston which operates without oil being mixed with fuel
WO1996007817A1 (en) * 1994-09-09 1996-03-14 Institut Français Du Petrole Two-stroke engine comprising an enhanced injection device and associated injection method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102428U (en) * 1987-12-25 1989-07-11
JPH02207130A (en) * 1989-02-07 1990-08-16 Mitsubishi Heavy Ind Ltd Two-cycle engine
DE4007466A1 (en) * 1990-03-09 1991-02-14 Franz Josef Knott Reduced emissions two=stroke IC engine - has separately lubricated piston which operates without oil being mixed with fuel
WO1996007817A1 (en) * 1994-09-09 1996-03-14 Institut Français Du Petrole Two-stroke engine comprising an enhanced injection device and associated injection method
FR2724415A1 (en) * 1994-09-09 1996-03-15 Inst Francais Du Petrole TWO-STROKE ENGINE WITH IMPROVED INJECTION DEVICE AND INJECTION METHOD THEREOF
US5809949A (en) * 1994-09-09 1998-09-22 Institut Francais Du Petrole Two-stroke engine with improved injection device and associated injection process
CN1073199C (en) * 1994-09-09 2001-10-17 法国石油研究所 Two-stroke engine comprising enhanced injection device and associated injection method

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