JPS5681223A - Scavenging device for 2-cycle internal combustion engine - Google Patents

Scavenging device for 2-cycle internal combustion engine

Info

Publication number
JPS5681223A
JPS5681223A JP15664779A JP15664779A JPS5681223A JP S5681223 A JPS5681223 A JP S5681223A JP 15664779 A JP15664779 A JP 15664779A JP 15664779 A JP15664779 A JP 15664779A JP S5681223 A JPS5681223 A JP S5681223A
Authority
JP
Japan
Prior art keywords
scavenging
cylinder
chamber
piston
scavenging port
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
JP15664779A
Other languages
Japanese (ja)
Other versions
JPS6029809B2 (en
Inventor
Kurotaka Tsujimura
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 JP15664779A priority Critical patent/JPS6029809B2/en
Publication of JPS5681223A publication Critical patent/JPS5681223A/en
Publication of JPS6029809B2 publication Critical patent/JPS6029809B2/en
Expired 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

  • Supercharger (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

PURPOSE: To prevent blowing over of gas at the initial stage of opening of a scavenging port by providing a check valve, which allows air flow toward inside of a cylinder from a scavenging chamber only, at an inlet end of an upper scavenging port of a device with upper and lower scavenging ports in a cylinder liner.
CONSTITUTION: When a piston 5 descends and an upper scavenging port 21 opens, a lead valve 23 tightly adheres to a valve seat 24 to close an air passage 24a in case that pressure in a cylinder 111 is higher than that of a scavenging chamber 6, so that backward flow (blowing over) of gas in the cylinder to the scavenging chamber 6 can be prevented. When the piston 5 further descends and pressure in the cylinder 111 becomes lower than that in the scavenging chamber 6, the lead valve 23 is opened by the differential pressure and is pressed against a stopper 25, fresh air in the scavenging chamber 6 flows into the cylinder 111 through an upper scavenging port 21. When the piston 5 further descends, a lower scavenging port 22 also opens to let fresh air flow into the cylinder 111.
COPYRIGHT: (C)1981,JPO&Japio
JP15664779A 1979-12-03 1979-12-03 Scavenging device for 2-stroke internal combustion engine Expired JPS6029809B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15664779A JPS6029809B2 (en) 1979-12-03 1979-12-03 Scavenging device for 2-stroke internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15664779A JPS6029809B2 (en) 1979-12-03 1979-12-03 Scavenging device for 2-stroke internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5681223A true JPS5681223A (en) 1981-07-03
JPS6029809B2 JPS6029809B2 (en) 1985-07-12

Family

ID=15632221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15664779A Expired JPS6029809B2 (en) 1979-12-03 1979-12-03 Scavenging device for 2-stroke internal combustion engine

Country Status (1)

Country Link
JP (1) JPS6029809B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225524A (en) * 2012-01-30 2013-07-31 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 Large two-stroke engine, inlet valve and cylinder liner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03250122A (en) * 1990-02-27 1991-11-07 Shimizu Corp Underground wall or floor structure of a building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225524A (en) * 2012-01-30 2013-07-31 曼柴油机涡轮机欧洲股份公司曼柴油机涡轮机德国分公司 Large two-stroke engine, inlet valve and cylinder liner
JP2013155737A (en) * 2012-01-30 2013-08-15 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland Large two-stroke engine, inlet valve and cylinder liner
DK179051B1 (en) * 2012-01-30 2017-09-18 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland Large two-stroke engine, inlet valve and cylinder liner

Also Published As

Publication number Publication date
JPS6029809B2 (en) 1985-07-12

Similar Documents

Publication Publication Date Title
JPS5514957A (en) Internal combustion engine
JPS57183520A (en) Device for preventing mixture from blowing through two-cycle engine
JPS55151149A (en) Blow-by gas treating and controlling mechanism
JPS5732035A (en) Intake air quantity control method for internal combustion engine
JPS56113039A (en) Evaporative fuel collector
JPS5762919A (en) Internal combustion engine
JPS56156414A (en) Two cycle internal combustion engine
JPS5681223A (en) Scavenging device for 2-cycle internal combustion engine
JPS5543221A (en) Blowby gas processing device for internal combustion engine equipped with turbocharger
JPS57102524A (en) Intake device for rotary piston engine with supercharger
JPS5598647A (en) Exhaust gas recirculating device for multicylinder internal combustion engine
JPS5523315A (en) Two-cycle internal combustion engine
JPS57108409A (en) Intake device for internal combustion engine
JPS5566652A (en) Exhaust return control device for internal combustion engine
JPS5519944A (en) Internal combustion engine
JPS5620752A (en) Recirculator for exhaust gas
JPS5741461A (en) Air-fuel ratio control device
JPS5449405A (en) Jet controller for internal combustion engine
JPS5620751A (en) Recirculator for exhaust gas
JPS57113941A (en) Sealing unit of carburetor starter in supercharged engine
JPS55160150A (en) Device for disposing of blow-by gas of internal combustion engine
JPS5591755A (en) Stirring device for mixed gas in internal combustion engine combustion chamber
JPS55161931A (en) Acceleration and deceleration fuel correcting regulator for internal combustion engine with supercharger
JPS54152713A (en) Engine exhaust gas flowing-back device
JPS5464224A (en) Intake passage of internal combustion engine