JPH10159563A - Cooling system of engine - Google Patents

Cooling system of engine

Info

Publication number
JPH10159563A
JPH10159563A JP10013503A JP1350398A JPH10159563A JP H10159563 A JPH10159563 A JP H10159563A JP 10013503 A JP10013503 A JP 10013503A JP 1350398 A JP1350398 A JP 1350398A JP H10159563 A JPH10159563 A JP H10159563A
Authority
JP
Japan
Prior art keywords
engine
pump
water pump
cylinder head
radiator
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
Application number
JP10013503A
Other languages
Japanese (ja)
Other versions
JP3145351B2 (en
Inventor
Wataru Fuchigami
渡 渕上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP1350398A priority Critical patent/JP3145351B2/en
Publication of JPH10159563A publication Critical patent/JPH10159563A/en
Application granted granted Critical
Publication of JP3145351B2 publication Critical patent/JP3145351B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18DOHC [Double overhead camshaft]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

PROBLEM TO BE SOLVED: To shorten the piping with a radiator, compactly mount a water pump on a cylinder head, further suppress the length of a cylinder axial direction of an engine and easily secure the driving source of the water pump, by mounting the water pump on the cylinder head. SOLUTION: This cooling system is constituted to cool an engine 7 by circulating cooling water via a radiator and a water pump 17. In this case, a pump driving gear 38 provided on the end part of a cam shaft of either one of an intake side cam shaft 31 provided on the cylinder head 12 of the engine 7 and an exhaust side cam shaft 32 and a pump gear 30 provided on pump shaft 25 of the water pump arranged between both of the cam shafts and on the lower parts of them are made to be engaged with each other.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明はDOHC式エンジ
ンの冷却装置に係り、詳しくは、冷却水をラジエ―タお
よび水ポンプを介して循環させることによりエンジンを
冷却するエンジンの冷却装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a DOHC engine cooling system, and more particularly to an engine cooling system for cooling an engine by circulating cooling water through a radiator and a water pump.

【0002】[0002]

【従来の技術】例えぼ、自動二輪車に備えられるエンジ
ンの冷却装置には、エンジンとラジエータとを配管して
冷却水が循環できるようにし、ラジエータにより冷却さ
れた冷却水を水ポンプの駆動で、エンジンのウォータジ
ャケットに導き、エンジンを冷却するものがある。
2. Description of the Related Art For example, in an engine cooling device provided in a motorcycle, an engine and a radiator are piped to allow cooling water to circulate, and the cooling water cooled by the radiator is driven by a water pump. There is something that leads to the water jacket of the engine and cools the engine.

【0003】このラジエータはエンジンの前方で上方位
置に配置され、走行風でエンジンの冷却で暖められた冷
却水を効果的に冷却するようになっている。また、水ポ
ンプは例えばクランクケースに取付けられ、クランク軸
やドライブ軸等で駆動され、ラジエータからの冷却水を
まずクランクケースのウォータジャケットに導き、つい
でシリンダブロックのウォータジャケットに導いてエン
ジンを冷却し、この暖められた冷却水をシリンダヘッド
からラジエータヘ送るようになっている。
[0003] The radiator is arranged at an upper position in front of the engine so as to effectively cool the cooling water heated by the cooling of the engine by the traveling wind. The water pump is mounted on, for example, a crankcase, and is driven by a crankshaft or a drive shaft.The cooling water from the radiator is first guided to the water jacket of the crankcase, and then to the water jacket of the cylinder block to cool the engine. The warmed cooling water is sent from the cylinder head to the radiator.

【0004】[0004]

【発明が解決しようとする課題】ところが、このように
水ポンプがクランクケースに取付けられ、クランク軸或
いはドライブ軸近傍に配置するものでは、ラジエータと
の配管が長くなり、その分冷却水の水量が多く軽量化の
点で不利であり、デザイン上も好ましくない。
However, in the case where the water pump is mounted on the crankcase and is disposed near the crankshaft or the drive shaft as described above, the piping with the radiator becomes longer, and the amount of cooling water is reduced accordingly. Many are disadvantageous in terms of weight reduction, and are not preferable in terms of design.

【0005】このため、例えば、水ポンプをエンジンの
シリンダヘッドに備えると、ラジエータとの配管を短縮
することができ、前記のような課題が解消されるが、こ
の場合水ポンプの取付け位置および水ポンプの駆動源の
確保が問題となる。
[0005] Therefore, for example, if a water pump is provided in the cylinder head of the engine, the piping to the radiator can be shortened, and the above-mentioned problems can be solved. There is a problem in securing a drive source for the pump.

【0006】この発明はこのような実状に鑑みてなされ
たもので、水ポンプをシリンダヘッドに取付けること
で、ラジエータとの配管を短縮し、しかも水ポンプをシ
リンダヘッドにコンパクトに取付け、さらにエンジンの
シリンダ軸方向の長さを抑え、かつ水ポンプの駆動源の
確保が容易なエンジンの冷却装置を提供することを目的
としている。
The present invention has been made in view of such circumstances. By mounting a water pump on a cylinder head, the piping to a radiator can be shortened, and the water pump can be mounted on the cylinder head in a compact manner. It is an object of the present invention to provide an engine cooling device in which the length in the cylinder axis direction is reduced and a driving source for a water pump is easily secured.

【0007】[0007]

【課題を解決するための手段】前記課題を解決するため
に、この発明に係る「エンジンの冷却装置」は、エンジ
ンのシリンダヘッドに設けた吸気側カムシャフトと排気
側カムシャフトのいずれか一方のカムシャフトの端部に
設けたポンプ駆動ギヤと、前記両カムシャフト間でそれ
らの下方に配置した水ポンプのポンプ軸に設けたポンプ
ギヤとを噛合わせたことを特徴とするものである。
In order to solve the above-mentioned problems, an "engine cooling device" according to the present invention is provided with one of an intake side camshaft and an exhaust side camshaft provided on a cylinder head of an engine. A pump drive gear provided at an end of a camshaft is meshed with a pump gear provided on a pump shaft of a water pump disposed below the two camshafts.

【0008】[0008]

【発明の実施の形態】次に、添付図面と共に、この発明
の実施例を詳細に説明する。図1はこの発明の実施例を
適用した自動二輪車の側面図、図2は水ポンプ部を断面
したエンジンの側面図、図3は水ポンプ部を断面したシ
リンダヘッドの平面図、図4は水ポンプの側面図であ
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a side view of a motorcycle to which an embodiment of the present invention is applied, FIG. 2 is a side view of an engine in which a water pump section is sectioned, FIG. 3 is a plan view of a cylinder head in which a water pump section is sectioned, and FIG. It is a side view of a pump.

【0009】図中符号1は自動二輪車で、自動二輪車1
のヘッドパイプ2にはフロントフォーク3が旋回可能に
設けられている。ヘッドパイプ2にはメインフレーム4
及びダウンチューブ5が連結され、このメインフレーム
4及びダウンチューブ5の後端は連結フレーム6で接続
され、これらのフレームで囲まれる部分に4気筒のエン
ジン7が並列に搭載されている。連結フレーム6にはリ
ヤアーム8が揺動可能に設けられ、このリヤアーム8に
後輪9が設けられている。
Reference numeral 1 in the figure denotes a motorcycle, and the motorcycle 1
A front fork 3 is rotatably provided on the head pipe 2. Main frame 4 in head pipe 2
The rear ends of the main frame 4 and the down tube 5 are connected by a connecting frame 6, and a four-cylinder engine 7 is mounted in parallel in a portion surrounded by these frames. A rear arm 8 is swingably provided on the connecting frame 6, and a rear wheel 9 is provided on the rear arm 8.

【0010】エンジン7のクランクケース10にはシリ
ンダブロック11が載置され、このシリンダブロック1
1にはシリンダヘッド12が載置され、さらにシリンダ
ヘッド12にヘッドカバー13が設けられている。
A cylinder block 11 is mounted on a crankcase 10 of the engine 7.
A cylinder head 12 is mounted on 1, and a head cover 13 is provided on the cylinder head 12.

【0011】エンジン7を冷却するラジエータ14がダ
ウンチューブ5に取付けられ、ラジエータ14はエンジ
ン7の前側の上方位置に配置され、走行風で冷却され
る。ラジエータ14とエンジン7とは配管15,16で
接続され、水ポンプ17の駆動で配管15,16を介し
て冷却水をエンジン7とラジエータ14を循環させるよ
うになっている。
A radiator 14 for cooling the engine 7 is attached to the down tube 5, and the radiator 14 is arranged at an upper position in front of the engine 7 and is cooled by traveling wind. The radiator 14 and the engine 7 are connected by pipes 15 and 16, and the cooling water is circulated between the engine 7 and the radiator 14 through the pipes 15 and 16 by driving a water pump 17.

【0012】配管15はシリンダヘッド12の頂部とラ
ジエータ14の上部とを連結し、配管16はシリンダヘ
ッド12に取付けた水ポンプ17とラジエータ14の下
部とを連結している。水ポンプ17の駆動で、ラジエー
タ14からの冷却水が配管16を介して供給され、この
冷却水は水ポンプ17からシリンダブロック11のウォ
ータジャケットヘ供給され、さらにシリンダヘッド12
のウォータジャケットから配管15を介してラジユータ
14に送られて循環する。
A pipe 15 connects the top of the cylinder head 12 and the upper part of the radiator 14, and a pipe 16 connects a water pump 17 mounted on the cylinder head 12 and a lower part of the radiator 14. When the water pump 17 is driven, cooling water from the radiator 14 is supplied through the pipe 16, and the cooling water is supplied from the water pump 17 to the water jacket of the cylinder block 11,
Is circulated from the water jacket to the radiator 14 via the pipe 15.

【0013】エンジン7のシリンダヘッド12の両側部
にはそれぞれ取付凹部18,18が形成され、この各取
付凹部18に水ポンプ17の内側ケース19に形成した
取付部19aがいんろう係合されている。内側ケース1
9には外側ケース21が接合され、この内側ケース19
と外側ケース21はボルト等でシリンダヘッド12の側
部に締付固定され、この内部にポンプ室23が形成され
ている。ポンプ室23にはポンプ羽根24が配置され、
このポンプ羽根24はポンプ軸25に圧入して固定され
ている。
Mounting recesses 18, 18 are formed on both sides of the cylinder head 12 of the engine 7, and mounting portions 19 a formed on the inner case 19 of the water pump 17 are engaged with the mounting recesses 18. I have. Inner case 1
The outer case 21 is joined to the inner case 19.
The outer case 21 is fastened and fixed to the side of the cylinder head 12 with bolts or the like, and a pump chamber 23 is formed in the inside. A pump blade 24 is disposed in the pump chamber 23,
The pump blade 24 is press-fitted into a pump shaft 25 and fixed.

【0014】ポンプ軸25は内側ケース19の取付部1
9aに軸受26を介して回動可能に支持され、この軸受
26とポンプ室23側はシール部材が、さらにポンプ軸
25のポンプ室23側にはカラーを介してシール機構2
9が備えられ、このシール部材やシール機構29でポン
プ室23の水とポンプ軸25の潤滑部とのシールを行な
っている。
The pump shaft 25 is attached to the mounting portion 1 of the inner case 19.
9a is rotatably supported via a bearing 26, a seal member is provided between the bearing 26 and the pump chamber 23 side, and a seal mechanism 2 is provided on the pump chamber 25 side of the pump shaft 25 via a collar.
The seal member and the seal mechanism 29 seal the water in the pump chamber 23 with the lubricating portion of the pump shaft 25.

【0015】一方、エンジン7はDOHC式であり、シ
リンダヘッド12には吸気側カムシャフト31および排
気側カムシャフト32が回動可能に備えられている。こ
の吸気側カムシャフト31及び排気側カムシャフト32
の中央部にはスプロケット33,34が設けられ、この
スプロケット33,34はカムチェーン35を介してク
ランク軸36の中央部に設けられたスプロケット37に
連結されている。そして、クランク軸36によって吸気
側カムシャフト31および排気側カムシャフト32が回
転され、両カムシャフト31,32のカムで、吸気バル
ブや排気バルブが駆動され、この吸気バルブや排気バル
ブの作動で、所定のタイミングで吸気通路や排気通路が
開閉される。
On the other hand, the engine 7 is of a DOHC type, and an intake camshaft 31 and an exhaust camshaft 32 are rotatably provided in the cylinder head 12. The intake camshaft 31 and the exhaust camshaft 32
The sprockets 33, 34 are provided at the center of the crankshaft 36. The sprockets 33, 34 are connected to a sprocket 37 provided at the center of a crankshaft 36 via a cam chain 35. Then, the intake-side camshaft 31 and the exhaust-side camshaft 32 are rotated by the crankshaft 36, and the intake and exhaust valves are driven by the cams of the two camshafts 31 and 32. The intake passage and the exhaust passage are opened and closed at a predetermined timing.

【0016】吸気側カムシャフト31の両端部にはそれ
ぞれポンプ駆動ギヤ38,38が設けられ、この各ポン
プ駆動ギヤ38は、前記吸気側カムシャフト31と排気
側カムシャフト32の間でそれらの下方に配置した水ポ
ンプ17のポンプ軸25に設けられたポンプギヤ30に
噛合している。
Pump drive gears 38 are provided at both ends of the intake-side camshaft 31, respectively. The pump drive gears 38 are provided between the intake-side camshaft 31 and the exhaust-side camshaft 32 and below the same. , And meshes with a pump gear 30 provided on a pump shaft 25 of the water pump 17 disposed at the bottom.

【0017】また、各水ポンプ17の外側ケース21に
は配管16が挿着され、ポンプ室23にラジエータ14
から冷却水が供給され、また内側ケース19には吐出通
路39が形成され、ポンプ室23の冷却水を吐出通路3
9からシリンダブロック11のウォータジャケットヘ圧
送するようになっている。
A pipe 16 is inserted into an outer case 21 of each water pump 17 and a radiator 14 is inserted into a pump chamber 23.
Cooling water is supplied from the inside case 19, and a discharge passage 39 is formed in the inner case 19.
From 9, the pressure is fed to the water jacket of the cylinder block 11.

【0018】このように、エンジン7のシリンダヘッド
12の両側部で吸気側カムシャフト31と排気側カムシ
ャフト32の間でそれらの下方にそれぞれ取付凹部18
を形成し、この各取付凹部18に水ポンプ17の内側ケ
ース19の取付部19aをいんろう係合しており、これ
で取付部の接合面積が大きくなり、水ポンプ17をコン
パクトにかつ確実にシリンダヘッド12に取付けること
ができる。
As described above, between the intake camshaft 31 and the exhaust camshaft 32 on both sides of the cylinder head 12 of the engine 7, the mounting recesses 18 are respectively provided below the camshafts 31 and 32.
The mounting portion 19a of the inner case 19 of the water pump 17 is engaged with the mounting recesses 18 in the mounting recesses 18, thereby increasing the joint area of the mounting portions, and making the water pump 17 compact and reliable. It can be attached to the cylinder head 12.

【0019】また、水ポンプ17の内側ケース19の取
付部19aがシリンダヘッド12の取付凹部18にいん
ろう係合し、このいんろう係合部でシールするため、シ
ール部材20の取付けが簡単で、しかもシール性を向上
させることができる。
Further, since the mounting portion 19a of the inner case 19 of the water pump 17 engages with the mounting recess 18 of the cylinder head 12 and seals at the mounting portion, the mounting of the seal member 20 is simple. In addition, the sealing performance can be improved.

【0020】また、エンジン7のシリンダヘッド12の
両カムシャフト31,32よりも下方に水ポンプ17を
取付けることで、エンジン7のシリンダ軸方向の長さを
抑え、しかもラジエータ14への配管15,16が短く
なり、その分簡素化されてデザイン上も有利であり、冷
却水の水量が少なく軽量化が可能になる。
Further, by mounting the water pump 17 below both the camshafts 31 and 32 of the cylinder head 12 of the engine 7, the length of the engine 7 in the cylinder axial direction can be suppressed, and the piping 15 to the radiator 14 can be reduced. The length of the cooling water 16 is shortened and simplified, which is advantageous in terms of design. The amount of cooling water is small, and the weight can be reduced.

【0021】さらに、水ポンプ17が近接して配置され
ている吸気側カムシャフト31に設けたポンプ駆動ギヤ
38により駆動されるため、水ポンプ17の駆動源の確
保が容易で、しかも吸気側カムシャフト31に常に負荷
がかかった状態になり、吸気側カムシャフト31の回転
変動が抑えられ、機械的な騒音を低減することができ
る。なお、前記ポンプ駆動ギヤ38は排気側カムシャフ
ト32の端部に設けてもよい。
Further, since the water pump 17 is driven by the pump drive gear 38 provided on the intake camshaft 31 disposed close to the water pump 17, it is easy to secure a drive source for the water pump 17, and the intake cam The load is always applied to the shaft 31, the rotation fluctuation of the intake camshaft 31 is suppressed, and the mechanical noise can be reduced. The pump drive gear 38 may be provided at an end of the exhaust camshaft 32.

【0022】このように、左右一対の水ポンプ17をシ
リンダヘッド12の両側側部に備えることで、大型のエ
ンジンでも効率的にエンジン冷却を行なうことができ
る。
By providing a pair of left and right water pumps 17 on both sides of the cylinder head 12 as described above, even a large engine can be efficiently cooled.

【0023】[0023]

【発明の効果】前記のように、この発明では、エンジン
のシリンダヘッドに設けた吸気側カムシャフトと排気側
カムシャフトのいずれか一方のカムシャフトの端部に設
けたポンプ駆動ギヤと、前記両カムシャフト間でそれら
の下方に配置した水ポンプのポンプ軸に設けたポンプギ
ヤとを噛合わせたので、水ポンプをコンパクトにかつ確
実にシリンダヘッドに取付けることができ、かつエンジ
ンのシリンダ軸方向の長さを抑え、しかもラジエータへ
の配管が短くなり、その分簡素化されてデザイン上も有
利であり、冷却水の水量が少なく軽量化が可能になるば
かりか、水ポンプの駆動源の確保が容易で、しかもカム
シャフトに常に負荷がかかった状態になり、カムシャフ
トの回転変動が抑えられ、エンジンの機械的な騒音を低
減することができる。
As described above, according to the present invention, the pump drive gear provided at the end of one of the intake camshaft and the exhaust camshaft provided on the cylinder head of the engine, Since the pump gear provided on the pump shaft of the water pump disposed below them is engaged between the camshafts, the water pump can be compactly and securely mounted on the cylinder head, and the length of the engine in the cylinder axial direction can be increased. In addition, the piping to the radiator is shortened, which is simplified, which is advantageous in terms of design. Not only the amount of cooling water is reduced, but also the weight can be reduced, and it is easy to secure the drive source for the water pump. In addition, the load is always applied to the camshaft, the fluctuation of the camshaft rotation is suppressed, and the mechanical noise of the engine can be reduced. .

【図面の簡単な説明】[Brief description of the drawings]

【図1】図1はこの発明の実施例を適用した自動二輪車
の側面図である。
FIG. 1 is a side view of a motorcycle to which an embodiment of the present invention is applied.

【図2】図2は水ポンプ部を断面したエンジンの側面図
である。
FIG. 2 is a side view of the engine in which a water pump section is sectioned.

【図3】図3は水ポンプ部を断面したシリンダヘッドの
平面図である。
FIG. 3 is a plan view of a cylinder head in which a water pump section is sectioned.

【図4】図4は水ポンプの側面図である。FIG. 4 is a side view of the water pump.

【符号の説明】[Explanation of symbols]

7 エンジン 12 シリンダヘッド 14 ラジエータ 17 水ポンプ 25 ポンプ軸 30 ポンプギヤ 31 吸気側カムシャフト 32 排気側カムシャフト 38 ポンプ駆動ギヤャ 7 Engine 12 Cylinder head 14 Radiator 17 Water pump 25 Pump shaft 30 Pump gear 31 Intake side camshaft 32 Exhaust side camshaft 38 Pump drive gear

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 冷却水をラジエ―タおよび水ポンプを介
して循環させることによりエンジンを冷却するエンジン
の冷却装置において、前記エンジンのシリンダヘッドに
設けた吸気側カムシャフトと排気側カムシャフトのいず
れか一方のカムシャフトの端部に設けたポンプ駆動ギヤ
と、前記両カムシャフト間でそれらの下方に配置した水
ポンプのポンプ軸に設けたポンプギヤとを噛合わせたこ
とを特徴とするエンジンの冷却装置。
1. An engine cooling apparatus for cooling an engine by circulating cooling water through a radiator and a water pump, wherein the engine has an intake side camshaft and an exhaust side camshaft provided on a cylinder head of the engine. An engine cooling characterized in that a pump drive gear provided at one end of one of the camshafts is meshed with a pump gear provided on a pump shaft of a water pump disposed below the two camshafts. apparatus.
JP1350398A 1998-01-09 1998-01-09 Cooling system for 4-cycle engine Expired - Fee Related JP3145351B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1350398A JP3145351B2 (en) 1998-01-09 1998-01-09 Cooling system for 4-cycle engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1350398A JP3145351B2 (en) 1998-01-09 1998-01-09 Cooling system for 4-cycle engine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2104712A Division JP2782548B2 (en) 1990-04-20 1990-04-20 Engine cooling system

Publications (2)

Publication Number Publication Date
JPH10159563A true JPH10159563A (en) 1998-06-16
JP3145351B2 JP3145351B2 (en) 2001-03-12

Family

ID=11834941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1350398A Expired - Fee Related JP3145351B2 (en) 1998-01-09 1998-01-09 Cooling system for 4-cycle engine

Country Status (1)

Country Link
JP (1) JP3145351B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1462626A1 (en) * 2003-03-24 2004-09-29 Kubota Corporation A multi-cylinder engine and a method for alternatively producing multi-cylinder engines
EP1384859A3 (en) * 2002-07-23 2008-10-22 Honda Giken Kogyo Kabushiki Kaisha Engine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101665117B1 (en) 2015-02-27 2016-10-24 주식회사 와이비엘 Security card and Manufacturing method for the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1384859A3 (en) * 2002-07-23 2008-10-22 Honda Giken Kogyo Kabushiki Kaisha Engine
EP1462626A1 (en) * 2003-03-24 2004-09-29 Kubota Corporation A multi-cylinder engine and a method for alternatively producing multi-cylinder engines
US7044088B2 (en) 2003-03-24 2006-05-16 Kubota Corporation Multi-cylinder engine and a method for alternatively producing multi-cylinder engines
KR101064812B1 (en) 2003-03-24 2011-09-14 가부시끼 가이샤 구보다 A multi-cylinder engine and a method for alternatively producing multi-cylinder engines

Also Published As

Publication number Publication date
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