JPH0356854U - - Google Patents
Info
- Publication number
- JPH0356854U JPH0356854U JP11714189U JP11714189U JPH0356854U JP H0356854 U JPH0356854 U JP H0356854U JP 11714189 U JP11714189 U JP 11714189U JP 11714189 U JP11714189 U JP 11714189U JP H0356854 U JPH0356854 U JP H0356854U
- Authority
- JP
- Japan
- Prior art keywords
- case
- crankcase
- internal combustion
- combustion engine
- mating surface
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第1図は本考案が適用される自動二輪車を示す
概略側面図であり、第2図は本考案のクランクケ
ースを備えた内燃機関の一実施例を示す側断面図
、第3図はその平断面図、第4図は従来の内燃機
関の平断面図である。
1…シリンダブロツク、11…シリンダ、12
…ピストン、13…コネクテイングロツド、14
…掃気ポート、15…シリンダヘツド、16…点
火プラグ、17…リードバルブ、18…吸気管、
19…排気ポート、2…クランク室、21…クラ
ンクシヤフト、22…駆動プーリ、22a…駆動
固定フエース、22b…駆動可動フエース、22
c…スリーブ、23…カムプレート、24…ウエ
イト、25…吸引フアン、3…クラツチ室、31
…従動軸、32…従動プーリ、32a…従動固定
フエース、32b…従動可動フエース、33c…
スリーブ、33…カラー、33a…キー溝、34
…ガイドピン、35…スプリング、36…ベアリ
ング、37…遠心クラツチ、37a…インナーデ
イスク、37b…アウターデイスク、37c…ウ
エイト、38…スリーブ、39…Vベルト、4…
ミツシヨン室、41…減速歯車機構、42…フア
イナルシヤフト、43…チエーンスプロケツト、
44…チエーン、51…エンジンシユラウド、5
2…吸引フアンカバー、53…冷却風導入口、6
…クランクケース、61…ケース左側部、62…
ケース右側部、63…ケース中央部、64…左側
クランクケースカバー、65,66…合せ面、6
7…エンジンハンガーボス、D…合せ面の段差。
Fig. 1 is a schematic side view showing a motorcycle to which the present invention is applied, Fig. 2 is a side sectional view showing an embodiment of an internal combustion engine equipped with the crankcase of the present invention, and Fig. 3 is a plan view thereof. The sectional view, FIG. 4, is a plan sectional view of a conventional internal combustion engine. 1...Cylinder block, 11...Cylinder, 12
...Piston, 13...Connecting rod, 14
...Scavenging port, 15...Cylinder head, 16...Spark plug, 17...Reed valve, 18...Intake pipe,
19... Exhaust port, 2... Crank chamber, 21... Crankshaft, 22... Drive pulley, 22a... Drive fixed face, 22b... Drive movable face, 22
c... Sleeve, 23... Cam plate, 24... Weight, 25... Suction fan, 3... Clutch chamber, 31
...Followed shaft, 32...Followed pulley, 32a...Followed fixed face, 32b...Followed movable face, 33c...
Sleeve, 33... Collar, 33a... Keyway, 34
...Guide pin, 35...Spring, 36...Bearing, 37...Centrifugal clutch, 37a...Inner disk, 37b...Outer disk, 37c...Weight, 38...Sleeve, 39...V-belt, 4...
Mission chamber, 41... Reduction gear mechanism, 42... Final shaft, 43... Chain sprocket,
44...Chain, 51...Engine shroud, 5
2...Suction fan cover, 53...Cooling air inlet, 6
...Crankcase, 61...Case left side, 62...
Case right side, 63...Case center, 64...Left side crankcase cover, 65, 66...Mating surface, 6
7... Engine hanger boss, D... Step on mating surface.
Claims (1)
ーリを有する従動軸とをそれぞれ軸受けを介して
支持するケース一側部と、該ケース一側部と共同
して前記クランクシヤフトを支持するケース他側
部と、前記ケース一側部と共同して減速歯車機構
を収容するケース中央部に分割されたクランクケ
ースにおいて、前記ケース一側部と前記ケース中
央部との合せ面を前記ケース一側部と前記ケース
他側部との合せ面に対して他側方向へ段違いとし
たことを特徴とする内燃機関用クランクケース。 one side of the case that supports a crankshaft having a driving pulley and a driven shaft having a driven pulley via bearings, the other side of the case that supports the crankshaft together with the one side of the case; In a crankcase that is divided into a central part of the case that accommodates a reduction gear mechanism together with one side of the case, the mating surface of the one side of the case and the central part of the case is the one side of the case and the other side of the case. A crankcase for an internal combustion engine, characterized in that a crankcase for an internal combustion engine is stepped from a mating surface toward the other side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989117141U JP2554178Y2 (en) | 1989-10-06 | 1989-10-06 | Crankcase for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989117141U JP2554178Y2 (en) | 1989-10-06 | 1989-10-06 | Crankcase for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0356854U true JPH0356854U (en) | 1991-05-31 |
JP2554178Y2 JP2554178Y2 (en) | 1997-11-12 |
Family
ID=31665381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989117141U Expired - Fee Related JP2554178Y2 (en) | 1989-10-06 | 1989-10-06 | Crankcase for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2554178Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004111423A1 (en) * | 2003-06-16 | 2004-12-23 | Yamaha Hatsudoki Kabushiki Kaisha | Engine with buit-in v belt-type stepless speed changer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5929723A (en) * | 1982-08-10 | 1984-02-17 | Honda Motor Co Ltd | Cooler for internal combustion engine |
JPS6021479U (en) * | 1983-07-22 | 1985-02-14 | 大和化工材株式会社 | drinking water container |
-
1989
- 1989-10-06 JP JP1989117141U patent/JP2554178Y2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5929723A (en) * | 1982-08-10 | 1984-02-17 | Honda Motor Co Ltd | Cooler for internal combustion engine |
JPS6021479U (en) * | 1983-07-22 | 1985-02-14 | 大和化工材株式会社 | drinking water container |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004111423A1 (en) * | 2003-06-16 | 2004-12-23 | Yamaha Hatsudoki Kabushiki Kaisha | Engine with buit-in v belt-type stepless speed changer |
Also Published As
Publication number | Publication date |
---|---|
JP2554178Y2 (en) | 1997-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |