JP4912740B2 - 2サイクルエンジン - Google Patents
2サイクルエンジン Download PDFInfo
- Publication number
- JP4912740B2 JP4912740B2 JP2006137622A JP2006137622A JP4912740B2 JP 4912740 B2 JP4912740 B2 JP 4912740B2 JP 2006137622 A JP2006137622 A JP 2006137622A JP 2006137622 A JP2006137622 A JP 2006137622A JP 4912740 B2 JP4912740 B2 JP 4912740B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- crankcase
- outer ring
- crankshaft
- insertion portion
- 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.)
- Active
Links
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
- F02F7/0043—Arrangements of mechanical drive elements
- F02F7/0053—Crankshaft bearings fitted in the crankcase
-
- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
-
- 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
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases
- F02F7/0002—Cylinder arrangements
- F02F7/0004—Crankcases of one-cylinder engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
図1は、本実施形態に係る2サイクルエンジン(以下、単にエンジンと称する)10の要部、およびエンジン10が搭載されるチェーンソー1の外観(想像線)を示した斜視図である。図2は、エンジン10を示す断面図である。
従って、上記に開示した形状、数量などを限定した記載は、本発明の理解を容易にするために例示的に記載したものであり、本発明を限定するものではないから、それらの形状、数量などの限定の一部もしくは全部の限定を外した部材の名称での記載は、本発明に含まれるものである。
Claims (2)
- 2サイクルエンジンにおいて、
両側に軸部を有するクランクシャフトと、
このクランクシャフトの前記各軸部をベアリングを介して軸支するクランクケースとを備え、
前記各軸部のうちの低負荷側の軸部を受けるベアリングの外輪には、周方向に沿った鍔部が設けられ、
前記クランクケースには、前記一方のベアリングを挿入する挿入部が当該クランクケースを同径のまま貫通して設けられ、
前記挿入部の内方には、前記鍔部を内方から挿入して係合させる係合部が該挿入部よりも拡径して設けられ、
前記鍔部は、前記係合部内に収容されているとともに、該係合部に対して軸方向に当接している
ことを特徴とする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、
前記鍔部は、前記外輪での軸方向の内方寄りの位置に設けられている
ことを特徴とする2サイクルエンジン。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006137622A JP4912740B2 (ja) | 2006-05-17 | 2006-05-17 | 2サイクルエンジン |
| EP07743442.1A EP2028358B1 (en) | 2006-05-17 | 2007-05-16 | Two-cycle engine |
| PCT/JP2007/060007 WO2007132876A1 (ja) | 2006-05-17 | 2007-05-16 | 2サイクルエンジン |
| US12/227,367 US8186326B2 (en) | 2006-05-17 | 2007-05-16 | Two-cycle engine |
| CN200780017877XA CN101449048B (zh) | 2006-05-17 | 2007-05-16 | 二冲程发动机 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006137622A JP4912740B2 (ja) | 2006-05-17 | 2006-05-17 | 2サイクルエンジン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007309164A JP2007309164A (ja) | 2007-11-29 |
| JP4912740B2 true JP4912740B2 (ja) | 2012-04-11 |
Family
ID=38693965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006137622A Active JP4912740B2 (ja) | 2006-05-17 | 2006-05-17 | 2サイクルエンジン |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8186326B2 (ja) |
| EP (1) | EP2028358B1 (ja) |
| JP (1) | JP4912740B2 (ja) |
| CN (1) | CN101449048B (ja) |
| WO (1) | WO2007132876A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2100047B1 (en) * | 2006-12-06 | 2012-08-15 | Husqvarna Aktiebolag | A crankshaft bearing arrangement of a combustion engine |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1072314A (en) * | 1908-12-02 | 1913-09-02 | Etablissements Cote Soc D | Two-cycle explosion-motor. |
| US3563222A (en) * | 1968-07-16 | 1971-02-16 | Kenjiro Ishida | Perfectly balanced vibrationless rotation-reciprocation devices of crankshaft rotary motion system |
| US4114586A (en) * | 1974-10-17 | 1978-09-19 | Kawasaki Jukogyo Kabushiki Kaisha | Accessory mounting means for internal combustion engines |
| SE435418B (sv) * | 1981-06-16 | 1984-09-24 | Electrolux Ab | Forbrenningsmotor med vevaxellager |
| JPS63124863A (ja) * | 1986-11-14 | 1988-05-28 | Komatsu Zenoa Kk | 2サイクルエンジン |
| JPH0645610Y2 (ja) * | 1988-09-26 | 1994-11-24 | 富士重工業株式会社 | 2サイクルエンジンのバランサギヤ室用ブリーザ装置 |
| SE500270C2 (sv) | 1989-08-31 | 1994-05-24 | Electrolux Ab | Lagerhus för vevaxeln av en tvåtakts förbränningsmotor |
| JP2534854Y2 (ja) | 1992-04-23 | 1997-05-07 | エヌティエヌ株式会社 | フランジ付シェル形軸受 |
| JP2702666B2 (ja) | 1993-12-27 | 1998-01-21 | 小松ゼノア株式会社 | 2サイクルエンジン |
| SE507566C2 (sv) * | 1996-05-31 | 1998-06-22 | Electrolux Ab | Vevaxellagring med dräneringskanal vid förbränningsmotor |
| US6390683B1 (en) | 1999-06-11 | 2002-05-21 | Ntn Corporation | Heat insulation sleeve and bearing device for fixing roller |
| JP2001051534A (ja) * | 1999-08-12 | 2001-02-23 | Ntn Corp | 定着ローラ用軸受装置 |
| JP2001099173A (ja) * | 1999-09-28 | 2001-04-10 | Fuji Photo Optical Co Ltd | 回転軸の支持構造 |
| US6205962B1 (en) * | 1999-11-03 | 2001-03-27 | William H. Berry, Jr. | Two-cycle internal combustion engine with enhanced lubrication |
| JP3831176B2 (ja) * | 2000-05-10 | 2006-10-11 | 本田技研工業株式会社 | 内燃機関のクランク軸保持構造 |
| JP3867837B2 (ja) * | 2000-12-20 | 2007-01-17 | 本田技研工業株式会社 | 内燃機関 |
| JP2002266653A (ja) * | 2001-03-09 | 2002-09-18 | Yamaha Motor Co Ltd | 雪上車 |
| JP2003021154A (ja) * | 2001-07-10 | 2003-01-24 | Koyo Seiko Co Ltd | 複列円すいころ軸受装置およびその組立て方法 |
| US6832590B2 (en) * | 2001-12-25 | 2004-12-21 | Honda Giken Kogyo Kabushiki Kaisha | Internal combustion engine |
| CN100339583C (zh) * | 2002-02-20 | 2007-09-26 | 雅马哈发动机株式会社 | 发动机紧固结构 |
| JP2004270774A (ja) * | 2003-03-07 | 2004-09-30 | Koyo Seiko Co Ltd | 軸受付プーリ |
| JP2004278634A (ja) * | 2003-03-14 | 2004-10-07 | Honda Motor Co Ltd | 自動二輪車のクランクシャフト支持軸受における打音防止構造 |
-
2006
- 2006-05-17 JP JP2006137622A patent/JP4912740B2/ja active Active
-
2007
- 2007-05-16 CN CN200780017877XA patent/CN101449048B/zh not_active Expired - Fee Related
- 2007-05-16 WO PCT/JP2007/060007 patent/WO2007132876A1/ja not_active Ceased
- 2007-05-16 US US12/227,367 patent/US8186326B2/en not_active Expired - Fee Related
- 2007-05-16 EP EP07743442.1A patent/EP2028358B1/en not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| US20090235893A1 (en) | 2009-09-24 |
| EP2028358A1 (en) | 2009-02-25 |
| JP2007309164A (ja) | 2007-11-29 |
| CN101449048B (zh) | 2011-07-20 |
| EP2028358A4 (en) | 2013-05-15 |
| CN101449048A (zh) | 2009-06-03 |
| EP2028358B1 (en) | 2018-03-21 |
| US8186326B2 (en) | 2012-05-29 |
| WO2007132876A1 (ja) | 2007-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3125227B2 (ja) | ターボチヤージヤのベアリング装置 | |
| TW200509505A (en) | Motor | |
| JP4912740B2 (ja) | 2サイクルエンジン | |
| JP3754572B2 (ja) | 内燃機関におけるオイルシールの潤滑装置 | |
| GB2425077B (en) | Centifrugal separator and rotor therefor | |
| JP4259064B2 (ja) | 回転軸支持機構 | |
| JP2009058040A (ja) | 分割軸受 | |
| FR2492456A1 (fr) | Commande pour pompes d'injection de moteurs a explosion | |
| JP2007024207A (ja) | 針状ころ軸受 | |
| CN103967646A (zh) | 密封件保持组件和密封件 | |
| JP2007120561A (ja) | オートテンショナ | |
| JP2002213220A (ja) | エンジンの潤滑油供給装置 | |
| JP2001124157A (ja) | 遊星歯車機構の潤滑構造 | |
| JPH0861195A (ja) | エンジンの始動装置 | |
| JP2003214461A (ja) | 一方向クラッチ | |
| JP2533899Y2 (ja) | 内燃機関における軸の取付け構造 | |
| CN106801645A (zh) | 定位平衡器轴轴承的方法 | |
| JP2514751Y2 (ja) | エンジンの出力取出装置 | |
| JPS61130611A (ja) | クランクシヤフトの支持装置 | |
| JPS5915239Y2 (ja) | 内燃機関駆動発電機 | |
| JP2015004408A (ja) | 転がり軸受装置 | |
| JP2016020734A (ja) | 送りねじ式テンショナ装置 | |
| FR3147609B1 (fr) | Dispositif de fixation d’un roulement dans un carter d’un véhicule automobile et groupe motopropulseur | |
| JPH0714103U (ja) | 頭上カム式エンジンの動弁装置 | |
| JPH11173339A (ja) | 軸受装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090116 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110712 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110909 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120117 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120118 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4912740 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150127 Year of fee payment: 3 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |