JP6739241B2 - 2サイクルエンジン - Google Patents
2サイクルエンジン Download PDFInfo
- Publication number
- JP6739241B2 JP6739241B2 JP2016109832A JP2016109832A JP6739241B2 JP 6739241 B2 JP6739241 B2 JP 6739241B2 JP 2016109832 A JP2016109832 A JP 2016109832A JP 2016109832 A JP2016109832 A JP 2016109832A JP 6739241 B2 JP6739241 B2 JP 6739241B2
- Authority
- JP
- Japan
- Prior art keywords
- scavenging passage
- crankcase
- scavenging
- cylinder block
- bearing
- 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
Links
- 230000002000 scavenging effect Effects 0.000 claims description 113
- 239000000203 mixture Substances 0.000 claims description 27
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 11
- 239000000446 fuel Substances 0.000 description 19
- 230000013011 mating Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
- F02F7/0004—Crankcases of one-cylinder engines
-
- 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
- F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
- F02F7/0036—Casings for two-stroke engines with scavenging conduits
-
- 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)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
1a 燃焼室
2 クランクケース
2a クランク室
10 クランク軸受(軸受)
11 クランク軸
25 掃気通路
25a 掃気通路下半部
25b 掃気通路上半部
26 第1掃気通路部分
27 第2掃気通路部分
30 開口
32 蓋体
34 締結部材
50 連通空間
52 連通孔
Claims (5)
- クランク軸を支持するクランクケースと、
前記クランクケースの上部に連結されたシリンダブロックと、
前記クランクケースの内部に形成されたクランク室と、
前記シリンダブロックの内部に形成された燃焼室と、
前記クランク室と前記燃焼室とを連通させる掃気通路と、を備え、
前記掃気通路は、前記クランクケースに形成された掃気通路下半部と、前記シリンダブロックに形成された掃気通路上半部とを有し、
前記掃気通路下半部の一側が前記クランクケースの外側方に開口しており、
前記開口が、前記クランクケースと別体の蓋体により閉止され、
前記蓋体は、締結部材により前記クランクケースに着脱自在に取り付けられている2サイクルエンジン。 - 請求項1に記載の2サイクルエンジンにおいて、前記掃気通路の下端部が、前記クランク軸の軸受を介して、前記クランク室に連通している2サイクルエンジン。
- 請求項1または2に記載の2サイクルエンジンにおいて、前記掃気通路は、混合気が導入される第1掃気通路部分と、空気が導入される第2掃気通路部分とを含む2サイクルエンジン。
- 請求項3に記載の2サイクルエンジンにおいて、前記第1掃気通路部分の下端部が、前記クランク軸の軸受を介して、前記クランク室に連通している2サイクルエンジン。
- 請求項4に記載の2サイクルエンジンにおいて、前記第1掃気通路部分の下端部が、前記軸受の前記一側に位置し、
前記軸受の軸方向外側に設けた連通空間と前記下端部とが連通孔を介して連通している2サイクルエンジン。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016109832A JP6739241B2 (ja) | 2016-06-01 | 2016-06-01 | 2サイクルエンジン |
CN201710107634.0A CN107448320B (zh) | 2016-06-01 | 2017-02-27 | 双循环发动机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016109832A JP6739241B2 (ja) | 2016-06-01 | 2016-06-01 | 2サイクルエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017214883A JP2017214883A (ja) | 2017-12-07 |
JP6739241B2 true JP6739241B2 (ja) | 2020-08-12 |
Family
ID=60486220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016109832A Expired - Fee Related JP6739241B2 (ja) | 2016-06-01 | 2016-06-01 | 2サイクルエンジン |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6739241B2 (ja) |
CN (1) | CN107448320B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3779164B1 (en) * | 2018-03-30 | 2023-07-12 | Honda Motor Co., Ltd. | Engine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200404948A (en) * | 2002-05-30 | 2004-04-01 | Moric Kk | Oil control device for two-stroke engine |
WO2007004641A1 (ja) * | 2005-07-05 | 2007-01-11 | Lwj Co., Ltd. | 2サイクルエンジン |
CN201610778U (zh) * | 2010-02-01 | 2010-10-20 | 重庆润通动力有限公司 | 发动机换气装置的结构 |
JP5780888B2 (ja) * | 2010-12-13 | 2015-09-16 | 株式会社やまびこ | 2サイクルエンジン |
JP5793017B2 (ja) * | 2011-08-10 | 2015-10-14 | 株式会社やまびこ | 2サイクル内燃エンジン |
CN205001016U (zh) * | 2015-07-27 | 2016-01-27 | 上海坤孚企业(集团)有限公司 | 一种二冲程汽油机的润滑油分离装置 |
-
2016
- 2016-06-01 JP JP2016109832A patent/JP6739241B2/ja not_active Expired - Fee Related
-
2017
- 2017-02-27 CN CN201710107634.0A patent/CN107448320B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017214883A (ja) | 2017-12-07 |
CN107448320A (zh) | 2017-12-08 |
CN107448320B (zh) | 2019-12-03 |
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