JP6038016B2 - 2ストロークエンジンのシリンダ潤滑装置 - Google Patents
2ストロークエンジンのシリンダ潤滑装置 Download PDFInfo
- Publication number
- JP6038016B2 JP6038016B2 JP2013271037A JP2013271037A JP6038016B2 JP 6038016 B2 JP6038016 B2 JP 6038016B2 JP 2013271037 A JP2013271037 A JP 2013271037A JP 2013271037 A JP2013271037 A JP 2013271037A JP 6038016 B2 JP6038016 B2 JP 6038016B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- lubricating oil
- oil supply
- piston
- supply holes
- 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
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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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/06—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like the cams, or the like, rotating at a higher speed than that corresponding to the valve cycle, e.g. operating fourstroke engine valves directly from crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/08—Shape of cams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/10—Valve drive by means of crank-or eccentric-driven rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
- F01L3/205—Reed valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
- F01M2001/083—Lubricating systems characterised by the provision therein of lubricant jetting means for lubricating cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
- F01M2011/022—Arrangements of lubricant conduits for lubricating cylinders
-
- 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
-
- 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
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
次に、図8および図9を参照して、本発明の変形実施形態1について説明する。なお、上記実施形態と同一の部材や部位には同一の符号を付し、重複する説明は省略する。以下の変形実施形態においても同様とする。
次に、図10を参照して本発明の変形実施形態2に係るエンジンEについて説明する。
2 クランクケース
2a クランク室
3 シリンダブロック
22 ピストン
22b コンプレッションリング(トップリング)
22c オイルリング
42 シリンダスリーブ(シリンダ)
42a 内周面
43 掃気ポート
70 シリンダ潤滑装置
72 オイルポンプ(潤滑油供給手段)
75 第3油路形成部材
76 環状溝
78 潤滑油供給孔
78a 第1潤滑油供給孔
78b 第2潤滑油供給孔
78c 第3潤滑油供給孔
80 本体側潤滑油供給路
E エンジン
S4 第4シール部材
Claims (5)
- シリンダの内周面に開口する掃気ポートを有する2ストロークエンジンのシリンダ潤滑装置であって、
シリンダブロックおよび前記シリンダブロックに装着されて前記シリンダの内周面を画成すると共に下端が前記シリンダブロックからクランク室側に突出するシリンダスリーブを有する機関本体と、
前記シリンダスリーブの前記シリンダブロックから突出する部分の外周面に装着される環帯状の油路形成部材と、
前記シリンダブロックに形成され、潤滑油供給手段に接続される本体側潤滑油供給路と、
下死点に位置するピストンのトップリングよりも下側の部分に向けて開口するように前記シリンダスリーブに形成された複数の潤滑油供給孔と、
前記油路形成部材と前記シリンダスリーブとの間に環状に形成され、前記本体側潤滑油供給路と前記複数の潤滑油供給孔とを連通させる環状油路とを備え、
前記複数の潤滑油供給孔は、スラスト側および反スラスト側において他の部位に比べて供給する潤滑油量を多くするように構成されていることを特徴とする2ストロークエンジンのシリンダ潤滑装置。 - 前記複数の潤滑油供給孔が、下死点に位置するピストンのオイルリングよりも上側の部分に向けて開口することを特徴とする請求項1に記載の2ストロークエンジンのシリンダ潤滑装置。
- 前記複数の潤滑油供給孔は、前記シリンダの周方向に等間隔に配置され、スラスト側および反スラスト側に配置される潤滑油供給孔の孔径が他の部位に配置される潤滑油供給孔の孔径よりも大きいことを特徴とする請求項1または請求項2に記載の2ストロークエンジンのシリンダ潤滑装置。
- 前記複数の潤滑油供給孔は、同一の孔径を有し、スラスト側および反スラスト側において他の部位よりも狭い間隔に配置されていることを特徴とする請求項1または請求項2に記載の2ストロークエンジンのシリンダ潤滑装置。
- 前記環状油路の上方および下方における前記油路形成部材と前記シリンダスリーブとの間にはシール部材が装着されていることを特徴とする請求項1〜請求項4のいずれか一項に記載の2ストロークエンジンのシリンダ潤滑装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013271037A JP6038016B2 (ja) | 2013-12-27 | 2013-12-27 | 2ストロークエンジンのシリンダ潤滑装置 |
US14/514,520 US9926821B2 (en) | 2013-12-27 | 2014-10-15 | Cylinder lubrication system for two-stroke engine |
CN201410856249.2A CN104747310B (zh) | 2013-12-27 | 2014-11-18 | 用于二冲程发动机的气缸润滑*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013271037A JP6038016B2 (ja) | 2013-12-27 | 2013-12-27 | 2ストロークエンジンのシリンダ潤滑装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015124733A JP2015124733A (ja) | 2015-07-06 |
JP6038016B2 true JP6038016B2 (ja) | 2016-12-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013271037A Expired - Fee Related JP6038016B2 (ja) | 2013-12-27 | 2013-12-27 | 2ストロークエンジンのシリンダ潤滑装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9926821B2 (ja) |
JP (1) | JP6038016B2 (ja) |
CN (1) | CN104747310B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6685864B2 (ja) * | 2016-08-29 | 2020-04-22 | 三菱重工業株式会社 | シリンダ注油装置及びクロスヘッド式内燃機関 |
DE102016222299A1 (de) * | 2016-11-14 | 2018-05-17 | Man Diesel & Turbo Se | Zylinder einer Brennkraftmaschine |
KR20180085935A (ko) * | 2017-01-20 | 2018-07-30 | 두산인프라코어 주식회사 | 엔진의 롤러 태핏용 어댑터 및 이를 포함하는 엔진의 롤러 태핏 조립체 |
IT201700066013A1 (it) * | 2017-06-14 | 2018-12-14 | Fpt Motorenforschung Ag | Motore a combustione interna con un sistema di attuazione valvole |
JP7309110B2 (ja) * | 2017-12-07 | 2023-07-18 | 株式会社三井E&S Du | エンジンシステム |
DE102019206474A1 (de) * | 2019-05-06 | 2020-11-12 | Ford Global Technologies, Llc | Zylinderspezifische Motorkühlung |
US11768128B2 (en) * | 2021-06-08 | 2023-09-26 | Ut-Battelle, Llc | Neutronic engine |
CN114483354B (zh) * | 2021-12-28 | 2022-11-11 | 西华大学 | 用于提高二冲程发动机燃油雾化能力的辅助装置及方法 |
BR102022004683B1 (pt) | 2022-03-14 | 2023-01-24 | Marco Antonio Moté Soares | Motor de dois tempos, dispositivo de lubrificação e cilindro |
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JPS54117844A (en) * | 1978-03-06 | 1979-09-12 | Fuji Heavy Ind Ltd | Piston reciprocating type internal combustion engine |
JPS5525684U (ja) * | 1978-08-09 | 1980-02-19 | ||
JPS59128909A (ja) * | 1983-01-11 | 1984-07-25 | Mitsubishi Heavy Ind Ltd | 内燃機関のシリンダ |
JPS6267261A (ja) * | 1985-09-17 | 1987-03-26 | Yamaha Motor Co Ltd | 内燃機関のピストン |
JP2979007B2 (ja) * | 1989-10-04 | 1999-11-15 | ヤマハ発動機株式会社 | 2サイクルエンジンの潤滑装置 |
JPH05214918A (ja) * | 1992-02-04 | 1993-08-24 | Mitsubishi Heavy Ind Ltd | 2サイクルユニフロー掃気機関の潤滑油消費量低減装置 |
US5570668A (en) * | 1995-12-27 | 1996-11-05 | Hsu; Hsin-I | Lubricating device of an engine cylinder |
ES2197686T3 (es) * | 1998-11-05 | 2004-01-01 | Hans Jensen Lubricators A/S | Sistema de lubricacion para motores diesel grandes. |
JP2002081305A (ja) * | 2000-07-04 | 2002-03-22 | Honda Motor Co Ltd | 2サイクル内燃機関の潤滑方法 |
JP2003286816A (ja) | 2002-03-28 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | 内燃機関 |
JP2004144014A (ja) * | 2002-10-24 | 2004-05-20 | Ntn Corp | 内燃機関用ピストン |
GB2410313B (en) * | 2004-01-22 | 2007-08-08 | Ford Global Tech Llc | An engine and a method of making same |
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JP4633639B2 (ja) * | 2006-01-31 | 2011-02-16 | 日本ピストンリング株式会社 | 3ピースオイルリング及び3ピースオイルリングとピストンとの組合せ |
JP5014264B2 (ja) * | 2008-06-06 | 2012-08-29 | 本田技研工業株式会社 | 空冷式汎用v型エンジンにおける潤滑装置 |
CN201396219Y (zh) * | 2009-03-31 | 2010-02-03 | 南通柴油机股份有限公司 | 缸径138~142mm直列四气门系列柴油机隧道式曲轴箱机体 |
CN202202915U (zh) * | 2011-08-30 | 2012-04-25 | 三阳工业股份有限公司 | 引擎润滑结构 |
CN102493887A (zh) * | 2011-12-09 | 2012-06-13 | 重庆潍柴发动机厂 | 龙门式六缸直列机体 |
JP6265791B2 (ja) * | 2014-03-11 | 2018-01-24 | 本田技研工業株式会社 | ユニフロー2ストロークエンジン |
-
2013
- 2013-12-27 JP JP2013271037A patent/JP6038016B2/ja not_active Expired - Fee Related
-
2014
- 2014-10-15 US US14/514,520 patent/US9926821B2/en not_active Expired - Fee Related
- 2014-11-18 CN CN201410856249.2A patent/CN104747310B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN104747310B (zh) | 2018-01-23 |
US9926821B2 (en) | 2018-03-27 |
JP2015124733A (ja) | 2015-07-06 |
CN104747310A (zh) | 2015-07-01 |
US20150184563A1 (en) | 2015-07-02 |
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