JPS63174510U - - Google Patents
Info
- Publication number
- JPS63174510U JPS63174510U JP572887U JP572887U JPS63174510U JP S63174510 U JPS63174510 U JP S63174510U JP 572887 U JP572887 U JP 572887U JP 572887 U JP572887 U JP 572887U JP S63174510 U JPS63174510 U JP S63174510U
- Authority
- JP
- Japan
- Prior art keywords
- oil supply
- passage
- passages
- supply passage
- cylinder
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims 6
- 239000000446 fuel Substances 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
図面は本考案の一実施例を示すものであり、第
１図は機関本体の全体側面図、第２図は第１図の
−線矢視拡大図、第３図は第２図の−線
拡大断面図、第４図は第２図の−線に沿うシ
リンダヘツドの拡大断面図、第５図は第２図の
−線拡大断面図である。
８……吸気弁、１０……排気弁、２０，２１…
…動弁機構、２５，２９……カムシヤフト、３１
ａ，３１ｃ，３１ｄ，３２ａ……軸受部、５５，
５６……油圧タペツト用給油路、５７……連絡通
路、７０，７１……油路、７４，７５……連通路
、７６……給油通路、７７……主給油通路、７８
……連絡給油通路、７９……第１連絡給油通路、
８０……第２連絡給油通路、８１……第３連絡給
油通路、Ｃ１〜Ｃ４……シリンダ、Ｅ……機関本
体、Ｔ１，Ｔ２……油圧タペツト。
The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view of the engine body, FIG. 2 is an enlarged view taken along the line - in FIG. FIG. 4 is an enlarged sectional view of the cylinder head taken along the line -- in FIG. 2, and FIG. 5 is an enlarged sectional view taken along the line -- in FIG. 8...Intake valve, 10...Exhaust valve, 20, 21...
... Valve mechanism, 25, 29 ... Camshaft, 31
a, 31c, 31d, 32a... bearing portion, 55,
56... Hydraulic tappet oil supply passage, 57... Communication passage, 70, 71... Oil passage, 74, 75... Communication passage, 76... Oil supply passage, 77... Main oil supply passage, 78
...Connecting refueling passage, 79...First connecting refueling passage,
80...Second communication oil supply passage, 81...Third communication oil supply passage, C1 to C4...Cylinder, E...Engine body, T1, T2...Hydraulic tappet.
Claims (1)
れ、各シリンダの吸、排気弁のための動弁機構に
は、吸、排気弁をそれぞれ駆動する一対のカムシ
ヤフトと、吸、排気弁の弁頭間隙を排除する複数
の油圧タペツトが備えられたＤＯＨＣ型多気筒内
燃機関の給油装置において、各カムシヤフト内に
は油路がそれぞれ設けられ、機関本体には、油圧
タペツトに通じるとともに相互に連通した一対の
油圧タペツト用給油路がカムシヤフトと平行にし
てそれぞれ穿設され、一方の油圧タペツト用給油
路と一方の前記油路とは相互に連通され、両油路
には、機関本体に設けた給油通路が連通されるこ
とを特徴とするＤＯＨＣ型多気筒内燃機関の給油
装置。 (2) 前記給油通路は、シリンダ配列方向に沿う
一端のシリンダと、そのシリンダに内方側で隣接
するシリンダとの間で機関本体に設けられた主給
油通路と、主給油通路および前記両油路間を結ぶ
連絡給油通路とを備えることを特徴とする実用新
案登録請求の範囲第(1)項記載のＤＯＨＣ型多気
筒内燃機関の給油装置。 (3) 前記連絡給油通路は、主給油通路からシリ
ンダ配列方向に沿う一端側にカムシヤフトと平行
に延びる第１連絡給油通路と、各カムシヤフトの
端部を回転自在に支承すべく機関本体に設けられ
た軸受部に対応する位置で第１連絡給油通路に直
角に連なる第２連絡給油通路と、各軸受部に対応
する部分で第２連絡給油通路および前記各油路間
を結ぶ一対の第３連絡給油通路とから成ることを
特徴とする実用新案登録請求の範囲第(2)項記載
のＤＯＨＣ型多気筒内燃機関の給油装置。 (4) 前記一方の油路と前記一方の油圧タペツト
用給油路とは、シリンダ配列方向に沿う中央寄り
でカムシヤフトを支承すべく機関本体に設けらた
軸受部の少なくとも１つに設けた連通路を介して
連通されることを特徴とする実用新案登録請求の
範囲第(1)項記載のＤＯＨＣ型多気筒内燃機関の
給油装置。 (5) 前記両油圧タペツト用給油路は、シリンダ
配列方向に沿う中央部で両油圧タペツト用給油路
に直角な連絡通路を介して連通されることを特徴
とする実用新案登録請求の範囲第(1)項記載のＤ
ＯＨＣ型多気筒内燃機関の給油装置。[Claims for Utility Model Registration] (1) The engine body has multiple cylinders arranged in series, and the valve mechanism for the intake and exhaust valves of each cylinder includes a pair of valves that drive the intake and exhaust valves, respectively. In a refueling system for a DOHC multi-cylinder internal combustion engine that is equipped with a camshaft and a plurality of hydraulic tappets that eliminate gaps between the valve heads of intake and exhaust valves, each camshaft is provided with an oil passage, and the engine body is provided with an oil passage. A pair of oil supply passages for hydraulic tappets which communicate with each other as well as the oil supply passages for hydraulic tappets are drilled parallel to the camshaft, and one oil supply passage for hydraulic tappets and one of the oil passages communicate with each other, and both oil passages A refueling system for a DOHC multi-cylinder internal combustion engine, characterized in that a refueling passage provided in an engine body is communicated with the refueling passage. (2) The oil supply passage includes a main oil supply passage provided in the engine body between a cylinder at one end along the cylinder arrangement direction and a cylinder adjacent to that cylinder on the inner side, and a main oil supply passage and both oil supply passages. A refueling system for a DOHC multi-cylinder internal combustion engine as set forth in claim (1) of the utility model registration, characterized in that the refueling system is provided with a connecting refueling passage connecting the fuel passages. (3) The communication oil supply passage includes a first communication oil supply passage extending parallel to the camshaft from the main oil supply passage to one end along the cylinder arrangement direction, and a first communication oil supply passage that is provided in the engine body to rotatably support the end of each camshaft. a second communication oil supply passage that is perpendicular to the first communication oil supply passage at a position corresponding to the bearing portion, and a pair of third communication passages that connect the second communication oil supply passage and each of the oil passages at a portion corresponding to each bearing portion; A refueling system for a DOHC multi-cylinder internal combustion engine as set forth in claim (2) of the registered utility model, characterized in that the refueling system comprises a refueling passage. (4) The one oil passage and the one hydraulic tappet oil supply passage are communication passages provided in at least one of the bearings provided in the engine body to support the camshaft near the center along the cylinder arrangement direction. A refueling system for a DOHC multi-cylinder internal combustion engine as set forth in claim (1) of the registered utility model, characterized in that the system is communicated via a. (5) The utility model registration claim No. 1 is characterized in that the oil supply passages for both hydraulic tappets are communicated via a communication passage perpendicular to the oil supply passages for both hydraulic tappets at a central portion along the cylinder arrangement direction. D mentioned in section 1)
Oil supply system for OHC type multi-cylinder internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP572887U JPS63174510U (en) | 1987-01-19 | 1987-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP572887U JPS63174510U (en) | 1987-01-19 | 1987-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63174510U true JPS63174510U (en) | 1988-11-11 |
Family
ID=30787585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP572887U Pending JPS63174510U (en) | 1987-01-19 | 1987-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63174510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026416A (en) * | 2010-07-28 | 2012-02-09 | Otics Corp | Valve gear |
-
1987
- 1987-01-19 JP JP572887U patent/JPS63174510U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012026416A (en) * | 2010-07-28 | 2012-02-09 | Otics Corp | Valve gear |
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