JPS63170533U - - Google Patents

Info

Publication number
JPS63170533U
JPS63170533U JP6272787U JP6272787U JPS63170533U JP S63170533 U JPS63170533 U JP S63170533U JP 6272787 U JP6272787 U JP 6272787U JP 6272787 U JP6272787 U JP 6272787U JP S63170533 U JPS63170533 U JP S63170533U
Authority
JP
Japan
Prior art keywords
internal combustion
exhaust
combustion engine
exhaust port
valve
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
JP6272787U
Other languages
Japanese (ja)
Other versions
JPH0649853Y2 (en
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 filed Critical
Priority to JP1987062727U priority Critical patent/JPH0649853Y2/en
Publication of JPS63170533U publication Critical patent/JPS63170533U/ja
Application granted granted Critical
Publication of JPH0649853Y2 publication Critical patent/JPH0649853Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の内燃機関の一つの気筒の横
断面図。第２図はこの考案の内燃機関の一つの気
筒の縦断面図であり、第１図の―線に沿つて
示したもの。第３図はこの考案の内燃機関の一つ
の気筒の縦断面図であり、第１図の―線に沿
つて示したもの。第４図はこの考案の内燃機関の
一つの気筒の縦断面をであり、第１図の―線
に沿つて示したもの。第５図はこの考案の内燃機
関の一つの気筒の縦断面をであり、第１図の―
線に沿つて示したもの。第６図はこの考案の内
燃機関の全体構成概略図。第７図は機関の１サイ
クルでの一つの気筒の吸気弁、排気弁の作動タイ
ミング角度線図。第８図は軽負荷時におけるこの
考案の実施例の吸気弁及び排気弁付き２サイクル
内燃機関の１サイクルにおける燃焼作動を説明す
る図。第９図は高負荷時におけるこの考案の実施
例の吸気弁及び排気弁付き２サイクル内燃機関の
１サイクルにおける燃焼作動を説明する図。 １０……機関本体、１７……燃焼室、２０ａ，
２０ｂ……吸気ポート、２２ａ，２２ｂ……排気
ポート、２４ａ，２４ｂ……吸気弁、２６ａ，２
６ｂ……排気弁、３０……第１隆起部、３０―１
……第１部分、３０―２……第２部分、３０′…
…稜線、３１……第２隆起部、３１′……稜線、
３２……吸気管、３２―１，３２―２……分岐管
部、３２―３……集合管部、３６……吸気制御弁
、３８ａ，３８ｂ……燃料インジエクタ、４１…
…吸気開閉弁、４４……機械式過給機、４８……
エアフローメータ、５４……排気マニホルド、６
０……制御回路。 FIG. 1 is a cross-sectional view of one cylinder of the internal combustion engine of this invention. FIG. 2 is a longitudinal sectional view of one cylinder of the internal combustion engine of this invention, taken along the line - in FIG. FIG. 3 is a longitudinal sectional view of one cylinder of the internal combustion engine of this invention, taken along the line - in FIG. Figure 4 is a longitudinal section of one cylinder of the internal combustion engine of this invention, taken along the line - in Figure 1. Figure 5 shows a longitudinal section of one cylinder of the internal combustion engine of this invention, and shows the -
Shown along the line. FIG. 6 is a schematic diagram of the overall configuration of the internal combustion engine of this invention. FIG. 7 is an angle diagram of the operation timing of the intake valve and exhaust valve of one cylinder in one cycle of the engine. FIG. 8 is a diagram illustrating combustion operation in one cycle of a two-stroke internal combustion engine with an intake valve and an exhaust valve according to an embodiment of the present invention under light load. FIG. 9 is a diagram illustrating combustion operation in one cycle of a two-stroke internal combustion engine with an intake valve and an exhaust valve according to an embodiment of the present invention under high load. 10...Engine body, 17...Combustion chamber, 20a,
20b...Intake port, 22a, 22b...Exhaust port, 24a, 24b...Intake valve, 26a, 2
6b... Exhaust valve, 30... First raised portion, 30-1
...First part, 30-2...Second part, 30'...
...Ridge line, 31...Second protuberance, 31'...Ridge line,
32...Intake pipe, 32-1, 32-2...Branch pipe section, 32-3...Collecting pipe section, 36...Intake control valve, 38a, 38b...Fuel injector, 41...
...Intake on/off valve, 44...Mechanical supercharger, 48...
Air flow meter, 54...Exhaust manifold, 6
0...Control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸気弁及び排気弁を備えた２サイクル内燃機関
において、ストレートの排気ポートと、該ストレ
ートの排気ポートから分岐する排気ポートとの二
つの排気ポートを有し、該排気ポートからの排気
ガスの流れを規制するマスクがシリンダヘツド底
面に設けられることを特徴とする内燃機関の排気
ポート構造。 A two-stroke internal combustion engine equipped with an intake valve and an exhaust valve has two exhaust ports, a straight exhaust port and an exhaust port branching from the straight exhaust port, and the exhaust gas flows from the exhaust port. An exhaust port structure for an internal combustion engine, characterized in that a regulating mask is provided on the bottom of a cylinder head.
JP1987062727U 1987-04-27 1987-04-27 Exhaust port structure of 2-cycle internal combustion engine Expired - Lifetime JPH0649853Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987062727U JPH0649853Y2 (en) 1987-04-27 1987-04-27 Exhaust port structure of 2-cycle internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987062727U JPH0649853Y2 (en) 1987-04-27 1987-04-27 Exhaust port structure of 2-cycle internal combustion engine

Publications (2)

Publication Number Publication Date
JPS63170533U true JPS63170533U (en) 1988-11-07
JPH0649853Y2 JPH0649853Y2 (en) 1994-12-14

Family

ID=30897275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987062727U Expired - Lifetime JPH0649853Y2 (en) 1987-04-27 1987-04-27 Exhaust port structure of 2-cycle internal combustion engine

Country Status (1)

Country Link
JP (1) JPH0649853Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02147851U (en) * 1989-05-17 1990-12-14
JP2018200017A (en) * 2017-05-26 2018-12-20 スズキ株式会社 Cylinder head of internal combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52104613A (en) * 1976-01-15 1977-09-02 Melchior Jean Supercharged two stroke internal combustion engine
JPS5356407A (en) * 1976-11-02 1978-05-22 Sunao Igarashi Engine scavenge apparatus
JPS5618019A (en) * 1979-07-19 1981-02-20 Honda Motor Co Ltd Mixture combustion improving device for 4-cycle internal combustion engine
JPS5820330U (en) * 1981-08-03 1983-02-08 トヨタ自動車株式会社 Engine combustion chamber structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52104613A (en) * 1976-01-15 1977-09-02 Melchior Jean Supercharged two stroke internal combustion engine
JPS5356407A (en) * 1976-11-02 1978-05-22 Sunao Igarashi Engine scavenge apparatus
JPS5618019A (en) * 1979-07-19 1981-02-20 Honda Motor Co Ltd Mixture combustion improving device for 4-cycle internal combustion engine
JPS5820330U (en) * 1981-08-03 1983-02-08 トヨタ自動車株式会社 Engine combustion chamber structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02147851U (en) * 1989-05-17 1990-12-14
JP2018200017A (en) * 2017-05-26 2018-12-20 スズキ株式会社 Cylinder head of internal combustion engine

Also Published As

Publication number Publication date
JPH0649853Y2 (en) 1994-12-14

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