JPH0550573B2 - - Google Patents

Info

Publication number
JPH0550573B2
JPH0550573B2 JP59077018A JP7701884A JPH0550573B2 JP H0550573 B2 JPH0550573 B2 JP H0550573B2 JP 59077018 A JP59077018 A JP 59077018A JP 7701884 A JP7701884 A JP 7701884A JP H0550573 B2 JPH0550573 B2 JP H0550573B2
Authority
JP
Japan
Prior art keywords
exhaust port
engine
control valve
lower edge
piston
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.)
Expired - Fee Related
Application number
JP59077018A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60219413A (ja
Inventor
Kazuyoshi Sano
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP59077018A priority Critical patent/JPS60219413A/ja
Publication of JPS60219413A publication Critical patent/JPS60219413A/ja
Publication of JPH0550573B2 publication Critical patent/JPH0550573B2/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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/028—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation for two-stroke engines
    • F02D13/0284—Variable control of exhaust valves only
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Characterised By The Charging Evacuation (AREA)
JP59077018A 1984-04-16 1984-04-16 ２サイクルエンジンの吹抜け防止装置 Granted JPS60219413A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59077018A JPS60219413A (ja) 1984-04-16 1984-04-16 ２サイクルエンジンの吹抜け防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59077018A JPS60219413A (ja) 1984-04-16 1984-04-16 ２サイクルエンジンの吹抜け防止装置

Publications (2)

Publication Number Publication Date
JPS60219413A JPS60219413A (ja) 1985-11-02
JPH0550573B2 true JPH0550573B2 (enExample) 1993-07-29

Family

ID=13622013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59077018A Granted JPS60219413A (ja) 1984-04-16 1984-04-16 ２サイクルエンジンの吹抜け防止装置

Country Status (1)

Country Link
JP (1) JPS60219413A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627014A (en) * 1979-08-09 1981-03-16 Yamaha Motor Co Ltd Exhaust valve device of two-cycle engine

Also Published As

Publication number Publication date
JPS60219413A (ja) 1985-11-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees