JP2741078B2 - Camshaft drive for V-type water-cooled engine - Google Patents
Camshaft drive for V-type water-cooled engineInfo
- Publication number
- JP2741078B2 JP2741078B2 JP1245607A JP24560789A JP2741078B2 JP 2741078 B2 JP2741078 B2 JP 2741078B2 JP 1245607 A JP1245607 A JP 1245607A JP 24560789 A JP24560789 A JP 24560789A JP 2741078 B2 JP2741078 B2 JP 2741078B2
- Authority
- JP
- Japan
- Prior art keywords
- pulley
- water pump
- camshaft
- timing belt
- crankshaft
- 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
Classifications
-
- 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
- F01L1/024—Belt drive
-
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/18—DOHC [Double overhead camshaft]
-
- 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
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
【発明の詳細な説明】 本発明は、車両駆動用などに用いられるＶ型水冷エン
ジンにおける吸・排気弁を開閉するためにカム軸駆動装
置に関する。The present invention relates to a camshaft drive device for opening and closing intake and exhaust valves in a V-type water-cooled engine used for driving a vehicle or the like.
（従来の技術） クランク軸と２本のカム軸を逆三角状に配置してそれ
らのプーリを一本のベルトで駆動すると共に、水ポンプ
を三角内に配置して上辺を通るベルトで駆動するものは
特開昭62-93432に開示されている。(Prior Art) A crankshaft and two camshafts are arranged in an inverted triangle and their pulleys are driven by one belt, and a water pump is arranged in a triangle and driven by a belt passing through the upper side. This is disclosed in JP-A-62-93432.
（発明が解決しようとする課題） 自動二輪車等の車両に搭載されるエンジンは、高さを
一定の寸法内におさめる必要があり、このため気筒容積
の大きいエンジンにおいては、バンク角を広げて高さの
増大を抑えなければならない。(Problems to be Solved by the Invention) The engine mounted on a vehicle such as a motorcycle needs to keep the height within a certain dimension. Therefore, in an engine having a large cylinder capacity, the bank angle is increased to increase the height. We have to keep the increase.
このようなエンジンで、二つのカム軸プーリに掛け渡
された逆三角形の上辺を通る部分のタイミングベルトを
水ポンププーリに巻き掛けると、両カム軸間の距離が大
きく、該距離に比して水ポンプの内側への変位量が小さ
いために、タイミングベルトの水ポンププーリに巻き付
ける角度が小さく伝達力が不足し勝ちになり、これを補
うためにはタイミングベルトに大きな張力を与えなけれ
ばならず、該ベルト、軸受等に大きな応力を発生させる
ことになる。With such an engine, when the timing belt at the portion passing through the upper side of the inverted triangle bridged over the two camshaft pulleys is wound around the water pump pulley, the distance between the two camshafts is large, and the water is smaller than the distance. Since the displacement amount of the inside of the pump is small, the angle at which the timing belt is wound around the water pump pulley is so small that the transmission force tends to be insufficient, and to compensate for this, a large tension must be applied to the timing belt. A large stress is generated in the belt, the bearing and the like.
またこのようなエンジンにおいては、タイミングベル
トの斜辺部分も横方向に長く伸びているため、シリンダ
及びタイミングベルトの下方位置に補機又は関連部材を
配置しようとしても、該斜辺部分が邪魔になって配置が
困難になる不具合がある。Also, in such an engine, since the hypotenuse portion of the timing belt also extends long in the lateral direction, the hypotenuse portion becomes an obstacle even when an auxiliary machine or a related member is arranged below the cylinder and the timing belt. There is a problem that the arrangement becomes difficult.
したがって、本発明は、これらの難点のない装置を得
ることを課題とする。Therefore, an object of the present invention is to obtain a device that does not have these difficulties.
（課題を解決するための手段） 本発明における前記課題の解決手段のうち、第１の手
段は、請求項１に記載したとおり、クランク軸側から上
方に向けてＶ型に配置したシリンダと、各シリンダの上
方に配置された吸・排気弁のカム軸、又はカム軸を駆動
するカム駆動軸と、クランク軸に設けたクランクプーリ
及び２本のカム駆動軸又は夫々のカム軸に設けたカムプ
ーリに掛け渡した１本のタイミングベルトと、各軸間で
タイミングベルトに係合するアイドルプーリ、テンショ
ンプーリ及び水ポンプとを備えるＶ型水冷エンジンのカ
ム軸駆動装置において、クランク軸と２本のカム駆動軸
の軸心を頂点とする逆三角形の上辺と一方の斜辺に沿っ
てアイドルプーリとテンションプーリを配置し、前記逆
三角形の内側に水ポンプを配置し、且つ前記アイドルプ
ーリ、テンションプーリ及び水ポンププーリを、シリン
ダブロックの前面に固定した取付板に装着し、タイミン
グベルトの前記斜辺と異なる斜辺を通る部分を水ポンプ
プーリに巻き掛け、該タイミングベルトとこれに連動す
るプーリを配置した部分の前面をカバーで閉鎖したこと
を特徴とする。(Means for Solving the Problems) Among the means for solving the problems in the present invention, the first means is, as described in claim 1, a cylinder arranged in a V shape from the crankshaft side upward, A cam shaft of an intake / exhaust valve disposed above each cylinder, or a cam drive shaft for driving the cam shaft, a crank pulley provided on the crank shaft, and two cam drive shafts or a cam pulley provided on each cam shaft In a camshaft driving device for a V-type water-cooled engine, the camshaft driving device includes one timing belt stretched over the shaft, and an idle pulley, a tension pulley, and a water pump engaged with the timing belt between the respective shafts. An idle pulley and a tension pulley are arranged along an upper side and one oblique side of the inverted triangle having the axis of the drive shaft as a vertex, a water pump is arranged inside the inverted triangle, and The idle pulley, the tension pulley, and the water pump pulley are mounted on a mounting plate fixed to the front surface of the cylinder block. Is characterized in that the front surface of the portion where is disposed is closed with a cover.
また、第２の手段は、請求項２に記載したとおり、請
求項１において、クランク軸と一方のカム軸を結ぶ斜辺
側に巻き掛けるタイミングベルトの下方位置に、クラン
ク軸から側部下方に偏位してミッションケースのクラッ
チ軸を配置したことを特徴とする。Further, the second means may be, as described in claim 2, in the first aspect, a position below the timing belt wound around the oblique side connecting the crankshaft and one of the camshafts, and a position deviated downward from the crankshaft to the side. And a clutch shaft of the transmission case is arranged.
（作用） 請求項１の手段によれば、逆三角形の斜辺の一つを通
るタイミングベルトの部分を水ポンプのプーリに巻き掛
けたので、該プーリに対する巻き付け角が大きくとれ、
ベルト張力を大きくしなくても充分な動力伝達が行なわ
れる。(Operation) According to the means of claim 1, the portion of the timing belt passing through one of the hypotenuses of the inverted triangle is wound around the pulley of the water pump.
Sufficient power transmission is performed without increasing the belt tension.
その上、該斜辺部分のベルトは、水ポンプのプーリで
押上げられるため、その下部に大きなスペースが生じて
他部材の配置が容易になる。In addition, since the belt at the oblique side is pushed up by the pulley of the water pump, a large space is formed below the belt, and the arrangement of other members is facilitated.
また請求項２の手段によれば、ミッションケースを含
むエンジン全体の高さを低くすることができる。According to the second aspect of the present invention, the height of the entire engine including the transmission case can be reduced.
（実施例） 以下、本発明の実施例を図面を参照して説明する。第
１図において１はＶ型水冷エンジンを示し、２はクラン
クケース、３、４は直角でＶ型に配置されたシリンダ
で、そのデッキ面3a、4aにシリンダヘッド５、６が固着
されている。各シリンダヘッド５、６には吸・排気弁を
開閉する一対のカム軸７、７と８、８が支持され、該カ
ム軸７、８はカム駆動軸９、10に設けたギヤ11、12とカ
ム軸７、８に設けたギヤ13、14を介して駆動される。Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a V-type water-cooled engine, 2 denotes a crankcase, 3 and 4 denote cylinders arranged at right angles in a V-shape, and cylinder heads 5 and 6 are fixed to deck surfaces 3a and 4a. . Each cylinder head 5, 6 supports a pair of camshafts 7, 7, 8 and 8 for opening and closing intake and exhaust valves, and the camshafts 7 and 8 are provided with gears 11 and 12 provided on cam drive shafts 9 and 10, respectively. , And are driven via gears 13 and 14 provided on the camshafts 7 and 8.
クランク軸16とカム駆動軸９、10の中心は、辺Ｌ1、
Ｌ2、Ｌ3からなる逆三角形を形成し、バンク角が直角の
ために上辺Ｌ3は斜辺Ｌ1、Ｌ2よりも長い。クランク軸1
5に固着したクランクプーリ16、カム駆動軸９、10に固
着したカムプーリ17、18には１本のタイミングベルト19
が巻き掛けられる。The centers of the crankshaft 16 and the cam drive shafts 9 and 10 are on the sides L 1 ,
An inverted triangle composed of L 2 and L 3 is formed, and the upper side L 3 is longer than the oblique sides L 1 and L 2 because the bank angle is a right angle. Crankshaft 1
A timing belt 19 is attached to the crank pulley 16 fixed to 5 and the cam pulleys 17 and 18 fixed to the cam drive shafts 9 and 10.
Is wrapped around.
水ポンプ20は、辺Ｌ1、Ｌ2、Ｌ3からなる逆三角形の
内部に配置され、該水ポンプ20に固定された水ポンププ
ーリ21には、これを迂回するようにタイミングベルト19
が巻き掛けられており、該タイミングベルト19に対して
設けたアイドルプーリ22とテンションプーリ23は上辺Ｌ
3と斜辺Ｌ2と略一致する位置に配置され、テンションプ
ーリ23は、スプリング24で引き上げられてベルトに緊張
を与える。図中25はミッションケース、26はクラッチ軸
及びミッション主軸の軸心、27はオイルパンを示す。The water pump 20 is disposed inside an inverted triangle formed by sides L 1 , L 2 and L 3 , and a water pump pulley 21 fixed to the water pump 20 is provided with a timing belt 19 so as to bypass the water pump pulley 21.
Is wound around, and the idle pulley 22 and the tension pulley 23 provided for the timing belt 19
Arranged in three and hypotenuse L 2 substantially coincides located, the tension pulley 23 gives tension to the belt is pulled by a spring 24. In the figure, 25 is a transmission case, 26 is the axis of the clutch shaft and the transmission main shaft, and 27 is an oil pan.
なお、このエンジンにおいて水ポンプ20、アイドルプ
ーリ22、テンションプーリ23等は、シリンダ３、４の前
方に固定される取付板28に装着されており、該取付板28
は、ボルト29,29…でエンジン前部に固定され、その上
部の端面28a、28aはシリンダヘッドの下面に接し、下部
の端面28bはクランクケース２の上端の段部に接して固
定されている。そして、これらの各部の開口面を閉鎖す
るために、第２図に示すようにヘッドフロントカバー3
0、31、水ポンプフロントカバー32、クランクケースカ
バー33が別々に取付けられ、クランクケースカバー33に
は更にクラッチカバー34が取付けられ、各部ごとにカバ
ーを開いて点検ができるようになっている。In this engine, the water pump 20, the idle pulley 22, the tension pulley 23, and the like are mounted on a mounting plate 28 fixed in front of the cylinders 3 and 4.
Are fixed to the front of the engine with bolts 29, 29,..., The upper end surfaces 28a, 28a are in contact with the lower surface of the cylinder head, and the lower end surface 28b is in contact with the step at the upper end of the crankcase 2 and is fixed. . Then, in order to close the opening surfaces of these parts, as shown in FIG.
0, 31, a water pump front cover 32, and a crankcase cover 33 are separately mounted, and a clutch cover 34 is further mounted on the crankcase cover 33 so that inspection can be performed by opening the covers for each part.
以上の構成を備えるから、クランク軸16が回転する
と、カム軸７、７、８、８が駆動されると共に水ポンプ
20も駆動されてシリンダブロック、シリンダヘッド等に
冷却水を供給するが、水ポンププーリ21には、タイミン
グベルト19が大きい巻き掛け角θで巻き付けられている
ので、充分な摩擦力が発生して滑りを生じることなく水
ポンプ20が駆動される。なお、前記の配置によりクラン
クプーリ15についても無理なく大きな巻き付け角を確保
することができる。With the above configuration, when the crankshaft 16 rotates, the camshafts 7, 7, 8, and 8 are driven and the water pump
20 is also driven to supply cooling water to the cylinder block, cylinder head, etc., but since the timing belt 19 is wound around the water pump pulley 21 at a large winding angle θ, sufficient frictional force is generated and slippage occurs. , The water pump 20 is driven. With the above arrangement, a large winding angle can also be ensured for the crank pulley 15 without difficulty.
その上、カムプーリ17と水ポンププーリ21を結ぶベル
ト部分19aは、斜辺Ｌ2を横切って略水平に張られている
から、その下方に広いスペースＡが形成され、該スペー
スＡにエンジンの補機類又は付属部品類を配置すること
ができる。Moreover, the belt portion 19a which connects the cam pulley 17 and the water pump pulley 21, since is stretched substantially horizontally across the hypotenuse L 2, wide space A is formed on the lower, auxiliary machinery of the engine to the space A Alternatively, accessory parts can be arranged.
ここで、カム駆動軸10に代えてカム軸に直接プーリを
設ける構造としてもよく、このようにしても、もちろん
同様の効果を奏することができる。Here, a structure in which a pulley is provided directly on the cam shaft instead of the cam drive shaft 10 may be adopted, and even in this case, the same effect can be obtained.
（発明の効果） 請求項１の発明によれば、以上のようにクランク軸と
カム駆動軸で形成される逆三角形の内側に水ポンプを配
置し、逆三角形の斜辺を通るタイミングベルト部分を水
ポンププーリに巻き掛けることにより、大きな巻き付け
角を形成することができ、水ポンプに大きな駆動力を伝
達することができる効果を奏する。そして、このように
伝達力が大きいためタイミングプーリに大きなテンショ
ンを加える必要がないから、タイミングプーリ、カム駆
動軸の軸受等に大きな荷重が加わらない利点がある。ま
た、水ポンププーリにこのように巻き掛けることによ
り、タイミングベルトが上方に変位して下方に広いスペ
ースが生じ、補機類、付属部品類の配置が容易になる効
果を生じる。更に、アイドルプーリ、テンションプーリ
及び水ポンププーリが、シリンダブロックの前面に固定
される取付板に装着されるので、これらのプーリが定位
置に保持され、軸間距離が変るようなことがなく、装着
構造も簡単である。(Effect of the Invention) According to the invention of claim 1, the water pump is arranged inside the inverted triangle formed by the crankshaft and the cam drive shaft as described above, and the timing belt portion passing through the hypotenuse of the inverted triangle is watered. By winding around the pump pulley, a large winding angle can be formed, and there is an effect that a large driving force can be transmitted to the water pump. Since the transmission force is large, it is not necessary to apply a large tension to the timing pulley, so that there is an advantage that a large load is not applied to the timing pulley, the bearing of the cam drive shaft, and the like. In addition, by wrapping around the water pump pulley in this manner, the timing belt is displaced upward to create a large space below, and this has the effect of facilitating the arrangement of accessories and accessories. Further, since the idle pulley, the tension pulley, and the water pump pulley are mounted on the mounting plate fixed to the front surface of the cylinder block, these pulleys are held in a fixed position, and the distance between the shafts does not change. The structure is also simple.
また請求項２の手段によれば、クランク軸に対するミ
ッションケースの下方への偏位量を少なくすることがで
き、ミッションケースを含むエンジン全体の高さを小さ
くすることができる。According to the second aspect of the present invention, the amount of downward displacement of the transmission case with respect to the crankshaft can be reduced, and the overall height of the engine including the transmission case can be reduced.
第１図は本考案の実施例の正面図、第２図はフロントカ
バーの配置図である。 ７、８……カム軸、９、10……カム駆動軸 15……クランク軸、16……クランププーリ 17、18……カムプーリ、19……タイミングベルト 20……水ポンプ、21……水ポンププーリ 22……アイドルプーリ、23……テンションプーリ 25……ミッションケース、26……クラッチ軸 28……取付板、31,32,33,34……カバーFIG. 1 is a front view of an embodiment of the present invention, and FIG. 2 is a layout view of a front cover. 7, 8 ... cam shaft, 9, 10 ... cam drive shaft 15 ... crank shaft, 16 ... clamp pulley 17, 18 ... cam pulley, 19 ... timing belt 20 ... water pump, 21 ... water pump pulley 22 ... idle pulley, 23 ... tension pulley 25 ... transmission case, 26 ... clutch shaft 28 ... mounting plate, 31, 32, 33, 34 ... cover
Claims (2)
したシリンダと、各シリンダの上方に配置されて吸・排
気弁のカム軸、又はカム軸を駆動するカム駆動軸と、ク
ランク軸に設けたクランクプーリ及び２本のカム駆動軸
又は夫々のカム軸に設けたカムプーリに掛け渡した１本
のタイミングベルトと、各軸間でタイミングベルトに係
合するアイドルプーリ、テンションプーリ及び水ポンプ
とを備えるＶ型水冷エンジンのカム軸駆動装置におい
て、クランク軸と２本のカム駆動軸の軸心を頂点とする
逆三角形の上辺と一方の斜辺に沿ってアイドルプーリと
テンションプーリを配置し、前記逆三角形の内側に水ポ
ンプを配置し、且つ前記アイドルプーリ、テンションプ
ーリ及び水ポンププーリを、シリンダブロックの前面に
固定した取付板に装着し、タイミングベルトの前記斜辺
と異なる斜辺を通る部分を水ポンププーリに巻き掛け、
該タイミングベルトとこれに連動するプーリを配置した
部分の前面をカバーで閉鎖したことを特徴とするＶ型水
冷エンジンのカム軸駆動装置。1. A cylinder arranged in a V-shape from the crankshaft side upward, a camshaft of intake / exhaust valves arranged above each cylinder, or a cam drive shaft for driving the camshaft, and a crankshaft. And a timing pulley, a tension pulley, and a water pump, which are engaged with the timing belt between the respective shafts provided on the crank pulleys and the two cam drive shafts or the cam pulleys provided on each cam shaft. In a camshaft drive device for a V-type water-cooled engine comprising: an idle pulley and a tension pulley arranged along an upper side and one oblique side of an inverted triangle having a vertex at the axis of the crankshaft and the two cam drive shafts; A water pump is arranged inside the inverted triangle, and the idle pulley, the tension pulley, and the water pump pulley are mounted on a mounting plate fixed to a front surface of a cylinder block. And, wound portions through the hypotenuse which is different from the oblique side of the timing belt to water pump pulley,
A camshaft driving device for a V-type water-cooled engine, wherein a front surface of a portion where the timing belt and a pulley interlocked with the timing belt are arranged is closed with a cover.
ム軸を結ぶ斜辺側に巻き掛かるタイミングベルトの下方
位置に、クランク軸から側部下方に偏位してミッション
ケースのクラッチ軸を配置したことを特徴とする、Ｖ型
水冷エンジンのカム軸駆動装置。2. The clutch shaft of the transmission case according to claim 1, wherein the clutch shaft of the transmission case is displaced downwardly from the crankshaft at a position below the timing belt wound around the oblique side connecting the crankshaft and the one camshaft. A camshaft driving device for a V-type water-cooled engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1245607A JP2741078B2 (en) | 1989-09-21 | 1989-09-21 | Camshaft drive for V-type water-cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1245607A JP2741078B2 (en) | 1989-09-21 | 1989-09-21 | Camshaft drive for V-type water-cooled engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03107534A JPH03107534A (en) | 1991-05-07 |
| JP2741078B2 true JP2741078B2 (en) | 1998-04-15 |
Family
ID=17136228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1245607A Expired - Fee Related JP2741078B2 (en) | 1989-09-21 | 1989-09-21 | Camshaft drive for V-type water-cooled engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2741078B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093569B2 (en) | 2004-03-04 | 2006-08-22 | Honda Motor Co., Ltd. | Power unit for saddle-ride type vehicle |
| US20240229735A1 (en) * | 2021-04-30 | 2024-07-11 | Honda Motor Co., Ltd. | Belt cover structure for internal combustion engine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598630A (en) * | 1995-08-11 | 1997-02-04 | Chrysler Corporation | Method of designing family of DOHC cylinder heads |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717793Y2 (en) * | 1986-05-28 | 1995-04-26 | トヨタ自動車株式会社 | Overhead camshaft type V engine |
-
1989
- 1989-09-21 JP JP1245607A patent/JP2741078B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093569B2 (en) | 2004-03-04 | 2006-08-22 | Honda Motor Co., Ltd. | Power unit for saddle-ride type vehicle |
| US20240229735A1 (en) * | 2021-04-30 | 2024-07-11 | Honda Motor Co., Ltd. | Belt cover structure for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03107534A (en) | 1991-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |