JPH0478814B2 - - Google Patents
Info
- Publication number
- JPH0478814B2 JPH0478814B2 JP1273533A JP27353389A JPH0478814B2 JP H0478814 B2 JPH0478814 B2 JP H0478814B2 JP 1273533 A JP1273533 A JP 1273533A JP 27353389 A JP27353389 A JP 27353389A JP H0478814 B2 JPH0478814 B2 JP H0478814B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- intake
- crankshaft
- same
- valve
- 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 - Lifetime
Links
Classifications
-
- 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
- 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
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders 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
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、横置クランク軸を共有する各気筒
がＶ字状に配置される自動二輪車のＶ型２サイク
ルエンジンに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a V-type two-stroke engine for a motorcycle in which cylinders sharing a horizontal crankshaft are arranged in a V-shape.
［従来の技術］
周知のように、自動二輪車に搭載された横置ク
ランク軸を共有する各気筒がＶ字状に配置される
Ｖ型２サイクルエンジンには、例えば特開昭59−
58108号公報に開示されるように、各気筒に対向
して所定の吸気タイミングで吸気通路を開閉する
開閉弁がクランクケースに設けられるものがあ
る。[Prior Art] As is well known, a V-type two-stroke engine mounted on a motorcycle in which cylinders sharing a horizontal crankshaft are arranged in a V-shape is known, for example, as disclosed in Japanese Patent Application Laid-Open No.
As disclosed in Japanese Patent No. 58108, there is a crankcase in which an on-off valve is provided in the crankcase to face each cylinder and open and close the intake passage at a predetermined intake timing.
［発明が解決しようとする課題］
ところで、このように特に横置クランク軸を共
有する各気筒がＶ字状に配置されるＶ型２サイク
ルエンジンでは、各気筒に対応して備えた吸気通
路を開閉する開閉弁の位置が各気筒で異なつてい
たり、また各気筒に備える吸気管の開口部の位置
が異なつた方向を向いていると、走行風の影響で
吸入条件が異なる。[Problems to be Solved by the Invention] By the way, in a V-type two-stroke engine in which the cylinders sharing a horizontal crankshaft are arranged in a V-shape, it is necessary to have an intake passage corresponding to each cylinder. If the positions of the on-off valves that open and close are different for each cylinder, or if the positions of the openings of the intake pipes for each cylinder are oriented in different directions, the intake conditions will differ due to the influence of the traveling wind.
また、各気筒において、吸気の流れ方向がクラ
ンク軸の回転方向との関係において同じでない。 Further, in each cylinder, the flow direction of intake air is not the same in relation to the rotational direction of the crankshaft.
このため、エンジンの各気筒双方の吸気効率が
異なつて出力特性がアンバランスになり、回転の
円滑さを欠いて、総体的に出力低下を招くことに
なるという問題がある。 Therefore, there is a problem in that the intake efficiency of each cylinder of the engine is different, resulting in unbalanced output characteristics, resulting in lack of smooth rotation, resulting in an overall decrease in output.
この発明はかかる実情を背景にしてなされたも
ので、各気筒に開閉弁を可及的に近接させると共
に、各気筒の吸気条件を一致させ、各気筒双方の
出力特性がアンバランスになることを軽減する自
動二輪車のＶ型２サイクルエンジンを提供するこ
とを目的としている。 This invention was made against the background of the above circumstances, and by placing the on-off valve as close as possible to each cylinder and matching the intake conditions of each cylinder, it is possible to prevent the output characteristics of each cylinder from becoming unbalanced. The purpose of the present invention is to provide a V-type two-stroke engine for a motorcycle that reduces energy consumption.
［課題を解決するための手段］
前記課題を解決するために、この発明は、横置
クランク軸を共有する各気筒を前記クランク軸回
りにＶ字状に配置した自動二輪車のＶ型２サイク
ルエンジンにおいて、前記各気筒のクランク軸回
転方向に対して同じ側にクランクケース内に連通
して吸気通路を設け、この吸気通路を所定の吸気
タイミングで開閉する開閉弁を前記各気筒の根元
近傍でクランク軸回転方向に対して同じ側に設
け、この開閉弁から前記気筒とこの開閉弁を挟ん
で反対側に延びる吸気管をそれぞれ備え、このそ
れぞれの吸気管の開口部を略同一方向へ開口させ
たことを特徴としている。[Means for Solving the Problems] In order to solve the above problems, the present invention provides a V-type two-stroke engine for a motorcycle in which cylinders sharing a horizontal crankshaft are arranged in a V-shape around the crankshaft. An intake passage is provided in communication with the crankcase on the same side with respect to the rotational direction of the crankshaft of each of the cylinders, and an on-off valve that opens and closes the intake passage at a predetermined intake timing is installed near the base of each of the cylinders. Each intake pipe is provided on the same side with respect to the direction of rotation of the shaft and extends from the on-off valve to the opposite side across the cylinder and this on-off valve, and the openings of the respective intake pipes are opened in substantially the same direction. It is characterized by
［作用］
この発明では、吸気の流れ方向がクランク軸の
回転方向との関係において、各気筒が同じになる
から吸気効率が同じで、出力特性のアンバランス
が解消される。[Operation] In the present invention, since the flow direction of intake air is the same in each cylinder in relation to the direction of rotation of the crankshaft, the intake efficiency is the same and the imbalance in output characteristics is eliminated.
また、各気筒の吸気管は、その開口部が略同一
方向へ開口しているため、走行風等からの影響が
略同一になり、吸気条件が各気筒で同一になる。 Further, since the intake pipes of each cylinder open in substantially the same direction, the influence from the traveling wind etc. is substantially the same, and the intake conditions are the same in each cylinder.
［実施例］
以下、この発明の実施例を添付図面に基づいて
詳細に説明する。[Example] Hereinafter, an example of the present invention will be described in detail based on the accompanying drawings.
第１図は自動二輪車に搭載されるＶ型２サイク
ルエンジンの平面図で、第２図は第１図の−
断面図、第３図は第１図の−断面図である。 Figure 1 is a plan view of a V-type two-stroke engine installed in a motorcycle, and Figure 2 is a plan view of the -
The sectional view, FIG. 3, is a - sectional view of FIG. 1.
図において、符号Ａは自動二輪車に搭載される
Ｖ型２サイクルエンジンで、左側を自動二輪車の
前側に、右側を後側にして搭載される。クランク
ケース１に支持される横置クランク軸２は車両の
左右方向に配置され、この横置クランク軸２を共
有する第１気筒３及び第２気筒４は、お互いにク
ランク軸回りにＶ字状をなし、車両の前後方向に
配置される。 In the figure, reference numeral A denotes a V-type two-stroke engine mounted on a motorcycle, with the left side at the front of the motorcycle and the right side at the rear. A horizontal crankshaft 2 supported by a crankcase 1 is arranged in the left-right direction of the vehicle, and a first cylinder 3 and a second cylinder 4 that share this horizontal crankshaft 2 are arranged in a V-shape around the crankshaft. It is arranged in the front and rear direction of the vehicle.
第１気筒３及び第２気筒４は、横置クランク軸
２の軸方向に一定間隔Ｌだけオフセツトされてい
る。このオフセツトにより、第１気筒３の前側
に、即ち、第２気筒４の右側側部に空間が形成さ
れる。同様に、第２気筒４の後側に、即ち第１気
筒３の左側に空間が形成される。 The first cylinder 3 and the second cylinder 4 are offset by a fixed distance L in the axial direction of the horizontal crankshaft 2. Due to this offset, a space is formed in front of the first cylinder 3, that is, on the right side of the second cylinder 4. Similarly, a space is formed on the rear side of the second cylinder 4, that is, on the left side of the first cylinder 3.
第１気筒３の後側には第１気化器５が接続さ
れ、前側に形成されている空間には排気管２２が
配置され、この排気管２２は第１気筒３のシリン
ダブロツク８に形成された排気通路２０に接続さ
れ、クランクケース１の下方を廻り、車体の後方
に延びている。 A first carburetor 5 is connected to the rear side of the first cylinder 3, and an exhaust pipe 22 is arranged in a space formed on the front side. The exhaust passage 20 extends under the crankcase 1 and toward the rear of the vehicle body.
第１気筒３の左側に形成された空間には、第２
気筒４の第２気化器６が配置され、第２気筒４に
接続される排気管２３は第２気筒４のシリンダブ
ロツク８に形成された排気通路２１に接続され、
この排気管２３はクランクケース１の下方を廻
り、車体の後方に延びている。 In the space formed on the left side of the first cylinder 3, a second
A second carburetor 6 of the cylinder 4 is disposed, and an exhaust pipe 23 connected to the second cylinder 4 is connected to an exhaust passage 21 formed in the cylinder block 8 of the second cylinder 4.
This exhaust pipe 23 goes around below the crankcase 1 and extends toward the rear of the vehicle body.
このように、第１気化器５は第１気筒３と、第
２気化器６は第２気筒４とそれぞれ車体の進行方
法に直列になるよう配設されている。 In this way, the first carburetor 5 is arranged in series with the first cylinder 3, and the second carburetor 6 with the second cylinder 4, respectively, in the direction of travel of the vehicle body.
前記各気筒３，４はクランクケース１に接続さ
れたシリンダブロツク８，９と、このシリンダブ
ロツク８，９に載置されたシリンダヘツド１０，
１１から形成された、シリンダヘツド１０，１１
には点火プラグ１２，１３が設けられている。 Each of the cylinders 3 and 4 has cylinder blocks 8 and 9 connected to the crankcase 1, and a cylinder head 10 mounted on the cylinder blocks 8 and 9.
cylinder head 10, 11 formed from 11;
are provided with spark plugs 12 and 13.
シリンダブロツク８，９に形成されたシリンダ
にはピストン１４，１５が摺動可能に設けられ、
ピストン１４，１５に連なるコンロツド１６，１
７の端部は横置クランク軸２に回動可能に連結さ
れている。また、各気筒３，４のシリンダブロツ
ク８，９はそれぞれ掃気通路１８，１９、排気通
路２０，２１を有している。 Pistons 14 and 15 are slidably provided in the cylinders formed in the cylinder blocks 8 and 9,
Connecting rods 16, 1 connected to pistons 14, 15
The end portion of 7 is rotatably connected to the horizontal crankshaft 2. Further, the cylinder blocks 8 and 9 of each cylinder 3 and 4 have scavenging passages 18 and 19 and exhaust passages 20 and 21, respectively.
前記気化器５，６にはピストンバルブ２４，２
５およびスロツトルバルブ２６，２７が吸気通路
２８，２９を開閉するように内蔵され、リードバ
ルブ３０，３１を介してクランクケース１に接続
されている。この吸気通路２８，２９は、各気筒
３，４のクランク軸回転方向に対して同じ側に、
クランクケース１内に連通して設けられている。
そして、気化器５，６の開口部には、図示しない
エアクリーナが接続される。 The carburetors 5 and 6 are provided with piston valves 24 and 2.
5 and throttle valves 26 and 27 are built in to open and close intake passages 28 and 29, and are connected to the crankcase 1 via reed valves 30 and 31. The intake passages 28 and 29 are located on the same side with respect to the rotational direction of the crankshaft of each cylinder 3 and 4.
It is provided in communication with the inside of the crankcase 1.
An air cleaner (not shown) is connected to the openings of the carburetors 5 and 6.
リードバルブ３０，３１は所定の吸気タイミン
グで吸気通路２８，２９を開閉する開閉弁を構成
しており、このリードバルブ３０，３１は第１気
筒３及び第２気筒４の根元３ａ，４ａ近傍で、ク
ランク軸回転方向に対して同じ側に設けられ、リ
ードバルブ３０，３１の位置が第１気筒３及び第
２気筒４で略同一になつている。 The reed valves 30 and 31 constitute opening/closing valves that open and close the intake passages 28 and 29 at predetermined intake timing, and these reed valves 30 and 31 operate near the roots 3a and 4a of the first cylinder 3 and the second cylinder 4. , are provided on the same side with respect to the rotational direction of the crankshaft, and the positions of the reed valves 30 and 31 are substantially the same in the first cylinder 3 and the second cylinder 4.
この第１気筒３の根元３ａに設けたリードバル
ブ３０から第１吸気管３３が第１気筒３と反対側
へ延び、また第２気筒４の根元４ａに設けたリー
ドバルブ３１から第２吸気管３４が第２気筒４と
反対側に延びている。この第１吸気管３３は第１
気化器５と、第２吸気管３４は第２気化器６とそ
れぞれ一体に形成され、この第１吸気管３３及び
第２吸気管３４の開口部３３ａ，３４ａを略同一
方向へ開口しており、走行風等からの影響が略同
一になるようにしている。 A first intake pipe 33 extends from a reed valve 30 provided at the root 3a of the first cylinder 3 to the opposite side of the first cylinder 3, and a second intake pipe extends from a reed valve 31 provided at the root 4a of the second cylinder 4. 34 extends on the opposite side from the second cylinder 4. This first intake pipe 33
The carburetor 5 and the second intake pipe 34 are each formed integrally with the second carburetor 6, and the openings 33a and 34a of the first intake pipe 33 and the second intake pipe 34 are opened in substantially the same direction. , so that the influences from driving wind, etc., are approximately the same.
このように、第１気筒３と第２気筒４との吸気
系の構成が同一になつているため、吸気の流れ方
向がクランク軸の回転方向との関係において、各
気筒３，４で同じになるから吸気効率が同じで、
吸気条件が各気筒で同一になり、エンジンの各気
筒双方の出力特性のアンバランスが解消され、回
転が円滑になつて総体的に出力が向上する。 In this way, since the intake systems of the first cylinder 3 and the second cylinder 4 have the same configuration, the flow direction of the intake air is the same in each cylinder 3 and 4 in relation to the rotational direction of the crankshaft. Therefore, the intake efficiency is the same,
The intake conditions become the same for each cylinder, eliminating the unbalance in the output characteristics of each cylinder of the engine, making rotation smoother, and improving overall output.
また、この実施例では第１気化器５及び第２気
化器６は水平気化器を使用することができる。 Further, in this embodiment, horizontal vaporizers can be used as the first vaporizer 5 and the second vaporizer 6.
さらに、第１吸気管３３の開口部３３ａ及び第
１吸気管３４の開口部３４ａには図示しないエア
クリーナが接続されるが、開口部３３ａ，３４ａ
が同一方向を向いているため、エアクリーナは１
箇所に配置することができ、しかもこのエアクリ
ーナは独立でも、或いは兼用できるものでもよ
い。 Further, an air cleaner (not shown) is connected to the opening 33a of the first intake pipe 33 and the opening 34a of the first intake pipe 34.
are facing the same direction, so the air cleaner
The air cleaner can be placed at any location, and the air cleaner may be independent or may be used in combination.
また、吸気系のメンテナンスは、リードバルブ
３０，３１及び第１気化器５、第２気化器６等が
同一側に配置されているため、一方から作業する
ことができ、作業性が向上する。 Further, since the reed valves 30, 31, the first carburetor 5, the second carburetor 6, etc. are arranged on the same side, maintenance of the intake system can be performed from one side, improving work efficiency.
なお、この実施例では所定の吸気タイミングで
吸気通路を開閉する開閉弁として、クランク軸の
回転により生じるクランク室の圧力変動で開閉す
るリードバルブを用いているが、クランク軸の回
転に連動して回転するロータリバルブを用いても
よい。 In this embodiment, a reed valve that opens and closes in response to pressure fluctuations in the crank chamber caused by rotation of the crankshaft is used as an on-off valve that opens and closes the intake passage at a predetermined intake timing. A rotating rotary valve may also be used.
［発明の効果］
前記のように、この発明は、横置クランク軸を
共有する各気筒がＶ字状に配置されるＶ型２サイ
クルエンジンにおいて、各気筒のクランク軸回転
方向に対して同じ側にクランクケース内に連通し
て吸気通路を設け、この吸気通路を所定の吸気タ
イミングで開閉する開閉弁を各気筒の根元近傍で
クランク軸回転方向に対して同じ側に設け、この
開閉弁から前記気筒とこの開閉弁を挟んで反対側
に延びる吸気管をそれぞれ備え、このそれぞれの
吸気管の開口部を略同一方向へ開口しているた
め、吸気の流れ方向がクランク軸の回転方向との
関係において、各気筒で同じになるから吸気効率
が同じになり、出力特性のアンバランスが解消さ
れる。[Effects of the Invention] As described above, the present invention provides a V-type two-stroke engine in which cylinders sharing a horizontal crankshaft are arranged in a V-shape, in which each cylinder is on the same side with respect to the rotational direction of the crankshaft. An intake passage is provided that communicates with the inside of the crankcase, and an on-off valve that opens and closes this intake passage at a predetermined intake timing is provided near the base of each cylinder on the same side with respect to the direction of rotation of the crankshaft. Each cylinder has an intake pipe that extends to the opposite side across the on-off valve, and the openings of each intake pipe are opened in approximately the same direction, so the flow direction of the intake air is closely related to the rotational direction of the crankshaft. Since each cylinder has the same intake efficiency, the imbalance in output characteristics is eliminated.
また、自動二輪車に搭載された横置クランク軸
を共有する各気筒がＶ字状に配置されるＶ型２サ
イクルエンジンで、各気筒に備えた開閉弁から気
筒と反対側に延びるように吸気管がそれぞれ備え
られ、このそれぞれの吸気管の開口部が車体に関
して略同一方向へ開口しているため、走行風等か
らの影響が略同一になり、エンジンの各気筒双方
の出力特性のアンバランスが解消され、回転が円
滑で総体的に出力向上を図ることができる。 In addition, it is a V-type two-stroke engine in which the cylinders that share a horizontal crankshaft are arranged in a V-shape, and the intake pipe extends from the on-off valve provided in each cylinder to the opposite side of the cylinder. Since the openings of these intake pipes open in approximately the same direction with respect to the vehicle body, the influence from driving wind etc. is approximately the same, and the imbalance in the output characteristics of each cylinder of the engine is reduced. This eliminates the problem, resulting in smoother rotation and an overall increase in output.
第１図は自動二輪車に搭載されるＶ型２サイク
ルエンジンの平面図で、第２図は第１図の−
断面図、第３図は第１図の−断面図である。
図中符号１はクランクケース、２は横置クラン
ク軸３は第１気筒、４は第２気筒、５は第１気化
器、６は第２気化器、３０，３１はリードバル
ブ、３３は第１吸気管、３４は第２吸気管、３３
ａ，３４ａは開口部である。
Figure 1 is a plan view of a V-type two-stroke engine installed in a motorcycle, and Figure 2 is a plan view of the -
The sectional view, FIG. 3, is a - sectional view of FIG. 1. In the figure, 1 is a crankcase, 2 is a horizontal crankshaft 3 is a first cylinder, 4 is a second cylinder, 5 is a first carburetor, 6 is a second carburetor, 30 and 31 are reed valves, and 33 is a first cylinder. 1 intake pipe, 34 2nd intake pipe, 33
a and 34a are openings.
Claims (1)
ンク軸回りにＶ字状に配置した自動二輪車のＶ型
２サイクルエンジンにおいて、前記各気筒のクラ
ンク軸回転方向に対して同じ側にクランクケース
内に連通して吸気通路を設け、この吸気通路を所
定の吸気タイミングで開閉する開閉弁を前記各気
筒の根元近傍でクランク軸回転方向に対して同じ
側に設け、この開閉弁から前記気筒とこの開閉弁
を挟んで反対側に延びる吸気管をそれぞれ備え、
このそれぞれの吸気管の開口部を略同一方向へ開
口させたことを特徴とする自動二輪車のＶ型２サ
イクルエンジン。1. In a V-type two-stroke engine for a motorcycle in which cylinders sharing a horizontal crankshaft are arranged in a V-shape around the crankshaft, the cylinders are arranged in the crankcase on the same side with respect to the rotational direction of the crankshaft. An intake passage is provided in communication with the intake passage, and an on-off valve that opens and closes the intake passage at a predetermined intake timing is provided near the root of each of the cylinders on the same side with respect to the direction of rotation of the crankshaft. Each has an intake pipe extending to the opposite side across the valve,
A V-type two-stroke engine for a motorcycle, characterized in that the openings of each intake pipe are opened in substantially the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27353389A JPH02169826A (en) | 1989-10-20 | 1989-10-20 | Two-cycle v-cylinder engine for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27353389A JPH02169826A (en) | 1989-10-20 | 1989-10-20 | Two-cycle v-cylinder engine for vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17226284A Division JPS6153417A (en) | 1984-08-18 | 1984-08-18 | V-type internal-combustion engine for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02169826A JPH02169826A (en) | 1990-06-29 |
| JPH0478814B2 true JPH0478814B2 (en) | 1992-12-14 |
Family
ID=17529171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27353389A Granted JPH02169826A (en) | 1989-10-20 | 1989-10-20 | Two-cycle v-cylinder engine for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02169826A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6029637Y2 (en) * | 1977-10-22 | 1985-09-06 | 本田技研工業株式会社 | motorcycle |
| JPS55161948A (en) * | 1979-06-06 | 1980-12-16 | Honda Motor Co Ltd | Carbureter for v-type multicylinder internal combustion engine |
-
1989
- 1989-10-20 JP JP27353389A patent/JPH02169826A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02169826A (en) | 1990-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |