JPH09222008A - Engine having lubrication device - Google Patents
Engine having lubrication deviceInfo
- Publication number
- JPH09222008A JPH09222008A JP2814796A JP2814796A JPH09222008A JP H09222008 A JPH09222008 A JP H09222008A JP 2814796 A JP2814796 A JP 2814796A JP 2814796 A JP2814796 A JP 2814796A JP H09222008 A JPH09222008 A JP H09222008A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- tensioner
- main gallery
- engine
- oil passage
- 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
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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/34403—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft
- F01L1/34406—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using helically teethed sleeve or gear moving axially between crankshaft and camshaft the helically teethed sleeve being located in the camshaft driving pulley
-
- 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
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/34433—Location oil control valves
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0812—Fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、エンジンへの潤
滑油の供給を適切に行なう潤滑装置を備えるエンジンに
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine equipped with a lubricating device that appropriately supplies lubricating oil to the engine.
【０００２】[0002]
【従来の技術】例えば車両に搭載されるエンジンには、
クランク軸の動力を第１の無端巻掛手段により中間軸に
伝達し、この中間軸の動力を第２の無端巻掛手段により
シリンダ上部に配置されるカム軸に伝達し、このカム軸
により吸気バルブ及び排気バルブを所定のタイミングで
開閉し、この第１の無端巻掛手段には、第１のテンショ
ナにより所定のテンションを与え、同様に第２の無端巻
掛手段に第２のテンショナにより所定のテンションを与
えるものがある。2. Description of the Related Art For example, an engine mounted on a vehicle is
The power of the crankshaft is transmitted to the intermediate shaft by the first endless wrapping means, and the power of the intermediate shaft is transmitted to the camshaft arranged at the upper part of the cylinder by the second endless wrapping means. The valve and the exhaust valve are opened and closed at a predetermined timing, a predetermined tension is applied to the first endless winding means by the first tensioner, and a predetermined tension is similarly applied to the second endless winding means by the second tensioner. There are things that give the tension of.
【０００３】このエンジンには、潤滑装置が備えられ、
オイルを、クランク軸の軸受部、吸気バルブ及び排気バ
ルブを開閉する動弁機構の軸受部、第１のテンショナ及
び第２のテンショナ等の各軸受部に供給して循環させて
潤滑している。This engine is equipped with a lubricating device,
Oil is supplied to the bearings of the crankshaft, the bearings of the valve mechanism that opens and closes the intake valve and the exhaust valve, and the bearings such as the first tensioner and the second tensioner to circulate and lubricate them.
【０００４】[0004]
【発明が解決しようとする課題】このように、潤滑装置
は、オイルをメインギャラリからクランク軸の軸受部へ
供給すると共に、動弁機構の軸受部及び第１のテンショ
ナの各軸受部に供給し、その後に第２のテンショナの軸
受部に供給しており、第２のテンショナの軸受部までの
オイル供給長が長くなり、特に始動時、第２のテンショ
ナの各軸受部へのオイル供給が遅れる。As described above, the lubricating device supplies oil from the main gallery to the bearing portion of the crankshaft and also to the bearing portion of the valve mechanism and the bearing portions of the first tensioner. After that, the oil is supplied to the bearing portion of the second tensioner, and the oil supply length to the bearing portion of the second tensioner becomes long, and the oil supply to each bearing portion of the second tensioner is delayed especially at the time of starting. .
【０００５】この発明は、かかる実情に鑑みてなされた
もので、特に始動時のオイル供給の応答性を向上させる
とともに、オイル供給経路を簡素化したエンジンの潤滑
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 the above circumstances, and an object thereof is to provide an engine lubrication device in which the response of oil supply at the time of starting is improved and the oil supply path is simplified. .
【０００６】[0006]
【課題を解決するための手段】前記課題を解決し、かつ
前記目的を達成するために、請求項１記載の発明は、ク
ランク軸の動力を中間軸に伝達する第１の無端巻掛手段
と、前記中間軸の動力をシリンダ上部に配置されるカム
軸に伝達する第２の無端巻掛手段と、前記第１の無端巻
掛手段に所定のテンションを与える第１のテンショナ
と、前記第２の無端巻掛手段に所定のテンションを与え
る第２のテンショナと、これらの各軸受部にオイルを供
給して潤滑する潤滑装置を備えるエンジンにおいて、前
記オイル通路を前記クランク軸側と前記カム軸側とに分
岐するメインギャラリと、前記第１のテンショナ及び第
２のテンショナとをシリンダ軸を挟んで反対側に配置
し、前記メインギャラリから分岐して前記第１のテンシ
ョナ及び第２のテンショナ側にオイルを供給するように
構成したことを特徴としている。メインギャラリから分
岐して第１のテンショナ及び第２のテンショナ側にオイ
ルを供給し、動弁機構へのオイル供給系とは別にしたか
ら、第２のテンショナの軸受部までのオイル供給長が短
縮され、特に始動時、第２のテンショナの各軸受部への
オイル供給の応答性が向上するとともに、オイル供給経
路が簡素化される。In order to solve the above-mentioned problems and to achieve the above-mentioned object, the invention according to claim 1 is a first endless winding means for transmitting the power of a crankshaft to an intermediate shaft. Second endless winding means for transmitting the power of the intermediate shaft to a camshaft arranged above the cylinder, a first tensioner for giving a predetermined tension to the first endless winding means, and the second In an engine equipped with a second tensioner that applies a predetermined tension to the endless winding means, and a lubricating device that supplies oil to each of these bearing portions to lubricate them, the oil passage is provided on the crankshaft side and the camshaft side. A main gallery branching to and a first tensioner and a second tensioner are arranged on opposite sides of the cylinder axis, and branched from the main gallery to branch the first tensioner and the second tensioner. It is characterized by being configured to supply oil to the burner side. Oil is supplied from the main gallery to the first tensioner and second tensioner sides, and it is separate from the oil supply system to the valve train. Therefore, the oil supply length to the bearing of the second tensioner is shortened. In particular, at the time of starting, the responsiveness of the oil supply to each bearing portion of the second tensioner is improved, and the oil supply path is simplified.
【０００７】請求項２記載の発明の潤滑装置を備えるエ
ンジンは、前記メインギャラリに、オイルポンプの駆動
でオイルがオイルフィルタを介して供給され、前記オイ
ルポンプを前記第１のテンショナ及び第２のテンショナ
側に配置し、前記オイルフィルタを前記メインギャラリ
側に配置したことを特徴としている。オイルポンプが第
１のテンショナ及び第２のテンショナ側に配置され、オ
イルフィルタがメインギャラリ側に分けてコンパクトに
配置することができる。また、オイルフィルタがメイン
ギャラリ側に配置されており、オイルポンプからメイン
ギャラリ側までのオイル供給長が短縮され、オイル供給
の応答性が向上する。According to another aspect of the engine including the lubricating device of the present invention, oil is supplied to the main gallery through an oil filter by driving an oil pump, and the oil pump is connected to the first tensioner and the second tensioner. The oil filter is arranged on the tensioner side, and the oil filter is arranged on the main gallery side. The oil pumps are arranged on the first tensioner side and the second tensioner side, and the oil filter can be arranged compactly on the main gallery side. Further, the oil filter is arranged on the main gallery side, the oil supply length from the oil pump to the main gallery side is shortened, and the responsiveness of oil supply is improved.
【０００８】請求項３記載の発明の潤滑装置を備えるエ
ンジンは、前記メインギャラリから前記クランク軸の軸
受部へのオイル通路に、前記第１のテンショナに連通す
る分岐オイル通路を設け、この分岐オイル通路を、さら
に前記第２のテンショナに連通させたことを特徴として
いる。メインギャラリからクランク軸の軸受部へのオイ
ル通路を利用し、かつオイル通路から分岐する分岐オイ
ル通路によりオイルが、第１のテンショナと第２のテン
ショナに供給され、オイル供給経路が簡素化される。According to another aspect of the present invention, in an engine provided with the lubricating device, a branch oil passage communicating with the first tensioner is provided in an oil passage from the main gallery to a bearing portion of the crankshaft. The passage is further communicated with the second tensioner. Oil is supplied to the first tensioner and the second tensioner by means of a branched oil passage that utilizes the oil passage from the main gallery to the bearing portion of the crankshaft and branches from the oil passage, thus simplifying the oil supply passage. .
【０００９】請求項４記載の発明の潤滑装置を備えるエ
ンジンは、前記第１のテンショナと前記第２のテンショ
ナ側とを連通する前記分岐オイル通路は、シリンダブロ
ックとシリンダヘッドに形成され、このシリンダブロッ
クとシリンダヘッドとの合い面で連通させたことを特徴
としている。第１のテンショナからオイルを第２のテン
ショナ側へ供給する分岐オイル通路が、シリンダブロッ
クとシリンダヘッドとの合い面で連通され、特別な連通
部材を用いない簡素化された構造になっている。According to another aspect of the engine including the lubricating device of the present invention, the branched oil passage that connects the first tensioner and the second tensioner side is formed in a cylinder block and a cylinder head. The feature is that the block and the cylinder head communicate with each other. A branched oil passage for supplying oil from the first tensioner to the second tensioner side is communicated with the mating surface of the cylinder block and the cylinder head, and has a simplified structure without using a special communication member.
【００１０】[0010]
【発明の実施の形態】以下、この発明のエンジンの潤滑
装置の実施例を図面に基づいて説明する。図１は潤滑装
置を備えるエンジンの側面図、図２はシリンダヘッドの
側面図、図３はシリンダヘッドの平面図、図４は図３の
IV-IV線に沿う断面図、図５はカム可変機構を外した状
態のシリンダヘッドの側面図、図６は図５のVI-VI線に
沿う断面図、図７はシリンダヘッドの底面図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an engine lubricating device of the present invention will be described below with reference to the drawings. 1 is a side view of an engine provided with a lubricating device, FIG. 2 is a side view of a cylinder head, FIG. 3 is a plan view of the cylinder head, and FIG.
Sectional view taken along line IV-IV, FIG. 5 is a side view of the cylinder head with the cam variable mechanism removed, FIG. 6 is a sectional view taken along line VI-VI of FIG. 5, and FIG. 7 is a bottom view of the cylinder head. is there.
【００１１】このエンジン１は、直列多気筒の４サイク
ルエンジンであり、クランクケース２にシリンダブロッ
ク３が載置され、このシリンダブロック３上にシリンダ
ヘッド４が取り付けられている。さらに、シリンダヘッ
ド４にはヘッドカバー５が取り付けられている。The engine 1 is an in-line multi-cylinder four-cycle engine. A cylinder block 3 is mounted on a crankcase 2 and a cylinder head 4 is mounted on the cylinder block 3. Further, a head cover 5 is attached to the cylinder head 4.
【００１２】クランクケース２とシリンダブロック３と
の間の軸受部にクランク軸６が回動可能に軸支され、こ
のクランク軸６はコンロッド７を介してピストン８に連
結されている。ピストン８は、シリンダブロック３に形
成されたシリンダ９内に往復動可能に設けられ、シリン
ダ９と、ピストン８の頭部８ａと、シリンダヘッド４と
の間に燃焼室１０が設けられている。A crankshaft 6 is rotatably supported by a bearing portion between the crankcase 2 and the cylinder block 3, and the crankshaft 6 is connected to a piston 8 via a connecting rod 7. The piston 8 is reciprocally provided in a cylinder 9 formed in the cylinder block 3, and a combustion chamber 10 is provided between the cylinder 9, the head 8 a of the piston 8, and the cylinder head 4.
【００１３】シリンダヘッド４には、燃焼室１０に開口
する吸気通路１１と排気通路１２が形成され、それぞれ
の開口部１１ａ，１２ａは、動弁機構１３により駆動さ
れる吸気バルブ１４と排気バルブ１５により所定のタイ
ミングで開閉して燃焼室１０内のガス交換が行なわれ
る。動弁機構１３を構成する吸気側のカム軸１６と、排
気側のカム軸１７は、シリンダヘッド４の軸受部４ａに
回動可能に軸支され、それぞれのカム軸１６，１７に
は、吸気バルブ１４及び排気バルブ１５を押動するカム
１８，１９が形成されている。An intake passage 11 and an exhaust passage 12 which open into the combustion chamber 10 are formed in the cylinder head 4, and the respective opening portions 11a and 12a are provided with an intake valve 14 and an exhaust valve 15 driven by a valve operating mechanism 13. Thus, the gas in the combustion chamber 10 is exchanged by opening and closing at a predetermined timing. The intake-side cam shaft 16 and the exhaust-side cam shaft 17 that form the valve mechanism 13 are rotatably supported by the bearing portion 4a of the cylinder head 4, and the intake shaft cams 16 and 17 have intake air Cams 18 and 19 for pushing the valve 14 and the exhaust valve 15 are formed.
【００１４】クランク軸６の駆動ギヤ２０と、シリンダ
ヘッド４に回動可能に軸支された中間軸２１の大径ギヤ
２２との間には、第１の無端巻掛手段２３であるチエー
ンが巻き掛けられ、クランク軸６の動力が第１の無端巻
掛手段２３を介して中間軸２１に伝達される。中間軸２
１の小径ギヤ２４と、吸気側のカム軸１６の従動ギヤ２
５及び排気側のカム軸１７の従動ギヤ２６との間には、
第２の無端巻掛手段２７であるチエーンが巻き掛けら
れ、中間軸２１の動力が第２の無端巻掛手段２７を介し
て吸気側のカム軸１６及び排気側のカム軸１７に伝達さ
れる。第１の無端巻掛手段２３はガイド９０で支持さ
れ、第１のテンショナ２８により所定のテンションが与
えられている。また、第２の無端巻掛手段２７には、第
２のテンショナ２９により所定のテンションが与えられ
ている。第１のテンショナ２８及び第２のテンショナ２
９は、シリンダ軸Ｌに対して同じ側に配置され、第１の
テンショナ２８はシリンダブロック３に配置され、第２
のテンショナ２９はシリンダヘッド４に配置され、第１
のテンショナ２８の上方に第２のテンショナ２９が位置
している。Between the drive gear 20 of the crankshaft 6 and the large diameter gear 22 of the intermediate shaft 21 which is rotatably supported by the cylinder head 4, a chain which is a first endless winding means 23 is provided. The power of the crankshaft 6 is wound around and transmitted to the intermediate shaft 21 via the first endless winding means 23. Intermediate shaft 2
1 small diameter gear 24 and the driven gear 2 of the intake side camshaft 16
5 and the driven gear 26 of the camshaft 17 on the exhaust side,
The chain which is the second endless winding means 27 is wound around, and the power of the intermediate shaft 21 is transmitted to the intake-side camshaft 16 and the exhaust-side camshaft 17 via the second endless winding means 27. . The first endless winding means 23 is supported by a guide 90, and a predetermined tension is applied by the first tensioner 28. The second tensioner 29 applies a predetermined tension to the second endless winding means 27. First tensioner 28 and second tensioner 2
9 is disposed on the same side with respect to the cylinder axis L, the first tensioner 28 is disposed on the cylinder block 3, and the second tensioner 28 is disposed on the same side.
The tensioner 29 of the
The second tensioner 29 is located above the tensioner 28 of FIG.
【００１５】クランクケース２の下部には、オイルパン
３０が取り付けられ、このオイルパン３０にオイルが貯
留されている。クランクケース２の下方位置には、オイ
ルポンプ３１が設けられ、このオイルポンプ３１とクラ
ンク軸６とにチエーン３２が掛け渡され、クランク軸６
に連動してオイルポンプ３１が駆動される。チエーン３
２には、チエーンテンショナ３３から所定のテンション
が与えられる。An oil pan 30 is attached to the lower portion of the crankcase 2, and oil is stored in the oil pan 30. An oil pump 31 is provided below the crankcase 2, and a chain 32 is stretched between the oil pump 31 and the crankshaft 6.
The oil pump 31 is driven in conjunction with the. Chain 3
A predetermined tension is applied to the chain 2 from a chain tensioner 33.
【００１６】オイルポンプ３１の駆動によりオイルスト
レーナ３４及びオイル配管３５を介してオイルが吸い上
げられ、このオイルはオイル配管３６を介してオイルク
ーラ３７及びオイルフィルタ３８へ送られる。さらに、
オイルクーラ３７からオイルがオイル通路３９を介して
メインギャラリ４０に供給される。オイル通路３９は、
クランクケース２とシリンダブロック３に形成され、そ
の合い面２ａ，３ａで連通されている。By driving the oil pump 31, the oil is sucked up through the oil strainer 34 and the oil pipe 35, and this oil is sent to the oil cooler 37 and the oil filter 38 through the oil pipe 36. further,
Oil is supplied from the oil cooler 37 to the main gallery 40 via the oil passage 39. The oil passage 39 is
It is formed on the crankcase 2 and the cylinder block 3 and is communicated with the mating surfaces 2a and 3a.
【００１７】メインギャラリ４０には、オイルポンプ３
１の駆動でオイルがオイルクーラ３７及びオイルフィル
タ３８からオイル通路３９を介して供給され、メインギ
ャラリ４０でクランク軸側のオイル通路４１と、カム軸
側のオイル通路４２とに分岐されている。カム軸側のオ
イル通路４２は、シリンダブロック３とシリンダヘッド
４に形成され、その合い面３ｂ，４ａで連通されてい
る。オイル通路４２は、シリンダヘッド４に形成された
オイル通路４３に連通され、このオイル通路４３はカム
軸１６，１７の下方位置に延びており、オイルは上方に
分岐されたオイル通路４４，４５よりカム軸１６，１７
の軸受部４ｂに供給される。カム軸１６，１７の軸受部
４ｂに供給されたオイルは、カム軸１６，１７の開口孔
１６ａ，１７ａからカム軸方向に形成されたオイル通路
１６ｂ，１７ｂに入り、このオイル通路１６ｂ，１７ｂ
の開口孔１６ｃ，１７ｃからオイルが各軸受部４ｂに供
給されて図示しないオイル落とし孔から落下してオイル
パン３０に戻される。The main gallery 40 includes an oil pump 3
The oil is supplied from the oil cooler 37 and the oil filter 38 through the oil passage 39 by the driving of No. 1, and is branched into an oil passage 41 on the crankshaft side and an oil passage 42 on the camshaft side by the main gallery 40. The oil passage 42 on the cam shaft side is formed in the cylinder block 3 and the cylinder head 4, and is communicated with the mating surfaces 3b and 4a. The oil passage 42 communicates with an oil passage 43 formed in the cylinder head 4. The oil passage 43 extends to a position below the cam shafts 16 and 17, and oil is discharged from oil passages 44 and 45 branched upward. Cam shafts 16 and 17
Is supplied to the bearing portion 4b. The oil supplied to the bearing portion 4b of the cam shafts 16 and 17 enters the oil passages 16b and 17b formed in the cam shaft direction from the opening holes 16a and 17a of the cam shafts 16 and 17, and the oil passages 16b and 17b.
Oil is supplied to each bearing portion 4b from the opening holes 16c and 17c of the above, falls from an oil dropping hole (not shown), and is returned to the oil pan 30.
【００１８】また、オイル通路４２からのオイルは、シ
リンダヘッド４に形成されたオイル通路４６からソレノ
イドバルブ４７を介して油圧で制御される可変カム機構
４８に供給される。ソレノイドバルブ４７はキャップ５
４に取り付けられ、キャップ５４に形成されたオイル通
路４９とオイル通路５０が、可変カム機構４８の進角側
オイル室５１と、遅角側オイル室５２に連通している。
ソレノイドバルブ４７の作動でオイル通路４９とオイル
通路５０を切り換え、オイルが進角側オイル室５１また
は遅角側オイル室５２に供給され、このオイル供給の切
り換わりにより従動ギヤ２５が固定されたカム軸１６に
対して内側の可変軸５３を移動させてカム１８の回転角
度を変化させて吸気バルブ１４の開閉タイミングを可変
する。The oil from the oil passage 42 is supplied from an oil passage 46 formed in the cylinder head 4 to a variable cam mechanism 48 which is hydraulically controlled via a solenoid valve 47. Solenoid valve 47 is cap 5
The oil passage 49 and the oil passage 50, which are attached to the No. 4 and are formed in the cap 54, communicate with the advance side oil chamber 51 and the retard side oil chamber 52 of the variable cam mechanism 48.
The solenoid valve 47 is operated to switch between the oil passage 49 and the oil passage 50 so that oil is supplied to the advance side oil chamber 51 or the retard side oil chamber 52, and the driven gear 25 is fixed by the switching of the oil supply. The variable shaft 53 inside the shaft 16 is moved to change the rotation angle of the cam 18 to change the opening / closing timing of the intake valve 14.
【００１９】可変カム機構４８からのオイルは、オイル
ドレーン孔５５に戻り、このオイルドレーン孔５５から
落下されるが、オイルドレーン孔５５はウォータジャケ
ット５６を形成した砂抜き孔により形成されている。The oil from the variable cam mechanism 48 returns to the oil drain hole 55 and is dropped from the oil drain hole 55. The oil drain hole 55 is formed by a sand removing hole in which a water jacket 56 is formed.
【００２０】メインギャラリ４０にはオイルポンプ３１
の駆動でオイルがオイルクーラ３７及びオイルフィルタ
３８を介して供給され、オイルポンプ３１を第１のテン
ショナ２８及び第２のテンショナ２９側に配置され、オ
イルクーラ３７及びオイルフィルタ３８はメインギャラ
リ４０側に配置されている。オイルポンプ３１と、オイ
ルクーラ３７及びオイルフィルタ３８とが、両側に分け
てコンパクトに配置することができる。また、オイルク
ーラ３７及びオイルフィルタ３８がメインギャラリ４０
側に配置されており、オイルポンプ３１からメインギャ
ラリ４０側までのオイル供給長が短縮され、オイル供給
の応答性が向上する。The main gallery 40 has an oil pump 31.
Is supplied with oil via the oil cooler 37 and the oil filter 38, the oil pump 31 is arranged on the side of the first tensioner 28 and the second tensioner 29, and the oil cooler 37 and the oil filter 38 are arranged on the side of the main gallery 40. It is located in. The oil pump 31, the oil cooler 37, and the oil filter 38 can be arranged compactly on both sides. Further, the oil cooler 37 and the oil filter 38 are connected to the main gallery 40.
The oil supply length from the oil pump 31 to the main gallery 40 side is shortened, and the responsiveness of oil supply is improved.
【００２１】メインギャラリ４０からクランク軸６の軸
受部へのオイル通路４１に、第１のテンショナ２８に連
通する分岐オイル通路６０を設け、この分岐オイル通路
６０を、さらに第２のテンショナ２９に連通させてい
る。メインギャラリ４０からクランク軸６の軸受部への
オイル通路４１を利用し、かつオイル通路４１から分岐
する分岐オイル通路６０によりオイルが、第１のテンシ
ョナ２８と第２のテンショナ２９に供給され、オイル供
給経路が簡素化される。A branch oil passage 60 communicating with the first tensioner 28 is provided in the oil passage 41 from the main gallery 40 to the bearing portion of the crankshaft 6, and the branch oil passage 60 is further communicated with the second tensioner 29. I am letting you. Oil is supplied to the first tensioner 28 and the second tensioner 29 through a branched oil passage 60 that utilizes the oil passage 41 from the main gallery 40 to the bearing portion of the crankshaft 6 and branches from the oil passage 41. The supply path is simplified.
【００２２】第１のテンショナ２８と第２のテンショナ
２９側とを連通する分岐オイル通路６０は、シリンダブ
ロック３とシリンダヘッド４に形成され、このシリンダ
ブロック３とシリンダヘッド４との合い面３ｂ，４ａで
連通させている。第１のテンショナ２８からオイルを第
２のテンショナ２９側へ供給する分岐オイル通路６０
が、シリンダブロック３とシリンダヘッド４との合い面
３ｂ，４ａで連通され、特別な連通部材を用いない簡素
化された構造になっている。A branched oil passage 60 that connects the first tensioner 28 and the second tensioner 29 side is formed in the cylinder block 3 and the cylinder head 4, and the mating surface 3b between the cylinder block 3 and the cylinder head 4 is 4a is connected. Branch oil passage 60 for supplying oil from the first tensioner 28 to the second tensioner 29 side
However, the cylinder block 3 and the cylinder head 4 are communicated with each other through the mating surfaces 3b and 4a, and the structure is simplified without using a special communication member.
【００２３】また、メインギャラリ４０と、第１のテン
ショナ２８及び第２のテンショナ２９とをシリンダ軸Ｌ
を挟んで反対側に配置し、メインギャラリ４０から分岐
して第１のテンショナ２８及び第２のテンショナ２９側
にオイルを供給するように構成し、動弁機構１３へのオ
イル供給系とは別にしたから、第２のテンショナ２９の
軸受部までのオイル供給長が短縮され、特に始動時、第
２のテンショナ２９の各軸受部へのオイル供給の応答性
が向上するとともに、オイル供給経路が簡素化される。Further, the main gallery 40, the first tensioner 28 and the second tensioner 29 are connected to the cylinder axis L.
Is arranged on the opposite side with the main gallery 40 interposed therebetween to supply the oil to the first tensioner 28 and the second tensioner 29 side, separately from the oil supply system for the valve mechanism 13. Therefore, the oil supply length to the bearing portion of the second tensioner 29 is shortened, the responsiveness of the oil supply to each bearing portion of the second tensioner 29 is improved, and the oil supply path is simple, especially at the time of starting. Be converted.
【００２４】[0024]
【発明の効果】前記したように、請求項１記載の発明
は、メインギャラリから分岐して第１のテンショナ及び
第２のテンショナ側にオイルを供給し、動弁機構へのオ
イル供給系とは別にしたから、第２のテンショナの軸受
部までのオイル供給長が短縮され、特に始動時、第２の
テンショナの各軸受部へのオイル供給の応答性が向上す
るとともに、オイル供給経路を簡素化することができ
る。As described above, according to the first aspect of the invention, the main gallery is branched to supply oil to the first tensioner and the second tensioner side, and the oil supply system to the valve operating mechanism is Since it is different, the oil supply length to the bearing portion of the second tensioner is shortened, the responsiveness of oil supply to each bearing portion of the second tensioner is improved, and the oil supply path is simplified especially at the time of starting. can do.
【００２５】請求項２記載の発明は、オイルポンプを第
１のテンショナ及び第２のテンショナ側に配置し、オイ
ルフィルタをメインギャラリ側に分けたからコンパクト
に配置することができる。また、オイルフィルタをメイ
ンギャラリ側に配置したから、オイルポンプからメイン
ギャラリ側までのオイル供給長が短縮され、オイル供給
の応答性が向上する。According to the second aspect of the present invention, the oil pump is arranged on the first tensioner and second tensioner sides, and the oil filter is divided on the main gallery side, so that it can be compactly arranged. Further, since the oil filter is arranged on the main gallery side, the oil supply length from the oil pump to the main gallery side is shortened, and the responsiveness of oil supply is improved.
【００２６】請求項３記載の発明は、メインギャラリか
らクランク軸の軸受部へのオイル通路を利用し、かつオ
イル通路から分岐する分岐オイル通路を設けたから、第
１のテンショナ及び第２のテンショナ側へのオイル供給
経路を簡素化することができる。According to the third aspect of the invention, the oil passage from the main gallery to the bearing portion of the crankshaft is used, and the branch oil passage branched from the oil passage is provided. Therefore, the first tensioner side and the second tensioner side are provided. It is possible to simplify the oil supply path to the oil.
【００２７】請求項４記載の発明は、第１のテンショナ
からオイルを第２のテンショナ側へ供給する分岐オイル
通路が、シリンダブロックとシリンダヘッドとの合い面
で連通され、特別な連通部材を用いない簡素化された構
造である。According to a fourth aspect of the invention, a branch oil passage for supplying oil from the first tensioner to the second tensioner side is communicated with the mating surface of the cylinder block and the cylinder head, and a special communicating member is used. Not a simplified structure.
【図１】潤滑装置を備えるエンジンの側面図である。FIG. 1 is a side view of an engine including a lubricating device.
【図２】シリンダヘッドの側面図である。FIG. 2 is a side view of a cylinder head.
【図３】シリンダヘッドの平面図である。FIG. 3 is a plan view of a cylinder head.
【図４】図３のIV-IV線に沿う断面図である。FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3;
【図５】カム可変機構を外した状態のシリンダヘッドの
側面図である。FIG. 5 is a side view of the cylinder head with the cam variable mechanism removed.
【図６】図５のVI-VI線に沿う断面図である。6 is a sectional view taken along the line VI-VI in FIG.
【図７】シリンダヘッドの底面図である。FIG. 7 is a bottom view of the cylinder head.
１ エンジン ６ クランク軸 １６，１７ カム軸 ２１ 中間軸 ２３ 第１の無端巻掛手段 ２７ 第２の無端巻掛手段 ２８ 第１のテンショナ ２９ 第２のテンショナ ３９ オイル通路 ４０ メインギャラリ DESCRIPTION OF SYMBOLS 1 engine 6 crankshaft 16,17 camshaft 21 intermediate shaft 23 first endless winding means 27 second endless winding means 28 first tensioner 29 second tensioner 39 oil passage 40 main gallery
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ０２Ｆ 1/24 Ｆ０２Ｆ 1/24 Ｇ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display area F02F 1/24 F02F 1/24 G
Claims (4)
の無端巻掛手段と、前記中間軸の動力をシリンダ上部に
配置されるカム軸に伝達する第２の無端巻掛手段と、前
記第１の無端巻掛手段に所定のテンションを与える第１
のテンショナと、前記第２の無端巻掛手段に所定のテン
ションを与える第２のテンショナと、これらの各軸受部
にオイルを供給して潤滑する潤滑装置を備えるエンジン
において、前記オイル通路を前記クランク軸側と前記カ
ム軸側とに分岐するメインギャラリと、前記第１のテン
ショナ及び第２のテンショナとをシリンダ軸を挟んで反
対側に配置し、前記メインギャラリから分岐して前記第
１のテンショナ及び第２のテンショナ側にオイルを供給
するように構成したことを特徴とする潤滑装置を備える
エンジン。1. A first for transmitting power of a crankshaft to an intermediate shaft
Endless wrapping means, a second endless wrapping means for transmitting the power of the intermediate shaft to a camshaft arranged in the upper part of the cylinder, and a first endless wrapping means for applying a predetermined tension to the first endless wrapping means.
In the engine, a second tensioner that applies a predetermined tension to the second endless winding means, and a lubrication device that supplies oil to each of the bearings to lubricate the oil passage. A main gallery branched to a shaft side and the cam shaft side, the first tensioner and the second tensioner are arranged on opposite sides with a cylinder shaft interposed therebetween, and the main gallery is branched from the main gallery. And an engine provided with a lubricating device configured to supply oil to the second tensioner side.
動でオイルがオイルフィルタを介して供給され、前記オ
イルポンプを前記第１のテンショナ及び第２のテンショ
ナ側に配置し、前記オイルフィルタを前記メインギャラ
リ側に配置したことを特徴とする請求項１記載の潤滑装
置を備えるエンジン。2. Oil is supplied to the main gallery through an oil filter by driving an oil pump, the oil pump is arranged on the side of the first tensioner and the second tensioner, and the oil filter is arranged on the main gallery. An engine equipped with the lubricating device according to claim 1, wherein the engine is arranged on the gallery side.
軸受部へのオイル通路に、前記第１のテンショナに連通
する分岐オイル通路を設け、この分岐オイル通路を、さ
らに前記第２のテンショナに連通させたことを特徴とす
る請求項１または請求項２記載の潤滑装置を備えるエン
ジン。3. A branch oil passage communicating with the first tensioner is provided in an oil passage from the main gallery to a bearing portion of the crankshaft, and the branch oil passage is further communicated with the second tensioner. An engine provided with the lubricating device according to claim 1 or 2.
ョナ側とを連通する前記分岐オイル通路は、シリンダブ
ロックとシリンダヘッドに形成され、このシリンダブロ
ックとシリンダヘッドとの合い面で連通させたことを特
徴とする請求項３記載の潤滑装置を備えるエンジン。4. The branched oil passage, which connects the first tensioner and the second tensioner side, is formed in a cylinder block and a cylinder head, and is made to communicate at a mating surface between the cylinder block and the cylinder head. An engine comprising the lubrication device according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2814796A JP3368299B2 (en) | 1996-02-15 | 1996-02-15 | Engine with lubrication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2814796A JP3368299B2 (en) | 1996-02-15 | 1996-02-15 | Engine with lubrication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09222008A true JPH09222008A (en) | 1997-08-26 |
| JP3368299B2 JP3368299B2 (en) | 2003-01-20 |
Family
ID=12240659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2814796A Expired - Fee Related JP3368299B2 (en) | 1996-02-15 | 1996-02-15 | Engine with lubrication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3368299B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6182624B1 (en) | 1998-12-29 | 2001-02-06 | Suzuki Motor Corporation | Hydraulic control valve mounting structure in an engine |
| US6182625B1 (en) | 1998-12-29 | 2001-02-06 | Suzuki Motor Corporation | Oil-passage structure of internal combustion engine |
| US6263844B1 (en) | 1998-12-29 | 2001-07-24 | Suzuki Motor Corporation | Oil passage for internal combustion engine |
| JP2004068744A (en) * | 2002-08-08 | 2004-03-04 | Honda Motor Co Ltd | Dohc type water cooled internal combustion engine |
| JP2011038462A (en) * | 2009-08-10 | 2011-02-24 | Honda Motor Co Ltd | Oil supply structure in engine |
| CN105793540A (en) * | 2013-11-18 | 2016-07-20 | 川崎重工业株式会社 | Supercharger for engine |
-
1996
- 1996-02-15 JP JP2814796A patent/JP3368299B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6182624B1 (en) | 1998-12-29 | 2001-02-06 | Suzuki Motor Corporation | Hydraulic control valve mounting structure in an engine |
| US6182625B1 (en) | 1998-12-29 | 2001-02-06 | Suzuki Motor Corporation | Oil-passage structure of internal combustion engine |
| US6263844B1 (en) | 1998-12-29 | 2001-07-24 | Suzuki Motor Corporation | Oil passage for internal combustion engine |
| DE19962164B4 (en) * | 1998-12-29 | 2008-05-21 | Suzuki Motor Corp., Hamamatsu | Oil passage for an internal combustion engine |
| JP2004068744A (en) * | 2002-08-08 | 2004-03-04 | Honda Motor Co Ltd | Dohc type water cooled internal combustion engine |
| JP2011038462A (en) * | 2009-08-10 | 2011-02-24 | Honda Motor Co Ltd | Oil supply structure in engine |
| CN105793540A (en) * | 2013-11-18 | 2016-07-20 | 川崎重工业株式会社 | Supercharger for engine |
| EP3073094A4 (en) * | 2013-11-18 | 2017-07-05 | Kawasaki Jukogyo Kabushiki Kaisha | Supercharger for engine |
| US10247090B2 (en) | 2013-11-18 | 2019-04-02 | Kawasaki Jukogyo Kabushiki Kaisha | Supercharger for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3368299B2 (en) | 2003-01-20 |
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