JPH0237202U - - Google Patents
Info
- Publication number
- JPH0237202U JPH0237202U JP1988114019U JP11401988U JPH0237202U JP H0237202 U JPH0237202 U JP H0237202U JP 1988114019 U JP1988114019 U JP 1988114019U JP 11401988 U JP11401988 U JP 11401988U JP H0237202 U JPH0237202 U JP H0237202U
- Authority
- JP
- Japan
- Prior art keywords
- idler
- cylinder head
- opening
- drive device
- peripheral wall
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
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
-
- 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
- F01L1/022—Chain drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
-
- 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
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
- F01L2001/0537—Double overhead camshafts [DOHC]
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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
- F02B2275/08—Endless member is a chain
-
- 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
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
Description
第1図〜第4図は本考案の一実施例を示し、第
1図はシリンダブロツク及びシリンダヘツドの正
面図、第2図はシリンダヘツドの横断面図、第3
図は分解斜視図、第4図はシリンダヘツドの底面
図である。第5図は他の実施例を示すシリンダヘ
ツドの正面図である。 1……シリンダブロツク、2……シリンダヘツ
ド、5a,5b……カム軸、6a,6b……スプ
ロケツト、7……クランク軸、8……クランクス
プロケツト、10……アイドラ、10a……大径
アイドラ、10b……小径アイドラ、10c……
アイドラ軸受部、11……アイドラ取付ボルト、
13,14……チエーン、27……周壁、28…
…開口、29……カバー、31……ロツカカバー
。
1図はシリンダブロツク及びシリンダヘツドの正
面図、第2図はシリンダヘツドの横断面図、第3
図は分解斜視図、第4図はシリンダヘツドの底面
図である。第5図は他の実施例を示すシリンダヘ
ツドの正面図である。 1……シリンダブロツク、2……シリンダヘツ
ド、5a,5b……カム軸、6a,6b……スプ
ロケツト、7……クランク軸、8……クランクス
プロケツト、10……アイドラ、10a……大径
アイドラ、10b……小径アイドラ、10c……
アイドラ軸受部、11……アイドラ取付ボルト、
13,14……チエーン、27……周壁、28…
…開口、29……カバー、31……ロツカカバー
。
Claims (1)
- シリンダヘツドに回転自在に支承した2つのカ
ム軸を、クランク軸により、中間に減速用のアイ
ドラを介して、チエーン駆動するようにしたDO
HC機関のカム軸駆動装置において、前記アイド
ラをシリンダヘツドの端部に位置させ、このシリ
ンダヘツドの端部からアイドラを囲む周壁をアイ
ドラ軸受部を越えて延出し、この周壁の前壁部に
アイドラと対向して開口を形成し、この開口を介
してアイドラ軸受部を貫通するアイドラ取付ボル
トをシリンダヘツドの端部に片持状に固着し、前
記開口をカバーにより閉塞するようにしたことを
特徴とするDOHC機関のカム軸駆動装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988114019U JP2509763Y2 (ja) | 1988-09-01 | 1988-09-01 | Dohc機関のカム軸駆動装置 |
US07/397,854 US4951623A (en) | 1988-09-01 | 1989-08-24 | Double overhead camshaft engine |
DE68911433T DE68911433T2 (de) | 1988-09-01 | 1989-08-31 | Brennkraftmaschine mit zwei obenliegenden Nockenwellen. |
EP89402378A EP0357511B1 (en) | 1988-09-01 | 1989-08-31 | Double overhead camshaft engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988114019U JP2509763Y2 (ja) | 1988-09-01 | 1988-09-01 | Dohc機関のカム軸駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0237202U true JPH0237202U (ja) | 1990-03-12 |
JP2509763Y2 JP2509763Y2 (ja) | 1996-09-04 |
Family
ID=14627013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988114019U Expired - Fee Related JP2509763Y2 (ja) | 1988-09-01 | 1988-09-01 | Dohc機関のカム軸駆動装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4951623A (ja) |
EP (1) | EP0357511B1 (ja) |
JP (1) | JP2509763Y2 (ja) |
DE (1) | DE68911433T2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19511864C1 (de) * | 1995-03-31 | 1996-07-25 | Daimler Benz Ag | Brennkraftmaschine |
JPH1089147A (ja) * | 1996-09-11 | 1998-04-07 | Yamaha Motor Co Ltd | 内燃エンジンのシリンダヘッド構造 |
JPH11210841A (ja) * | 1998-01-23 | 1999-08-03 | Tsubakimoto Chain Co | タイミングマーク付きタイミングチェーン 及びその製造方法 |
JP3824832B2 (ja) * | 2000-02-10 | 2006-09-20 | 本田技研工業株式会社 | 内燃機関のシリンダヘッド |
DE10121947A1 (de) * | 2001-05-05 | 2002-11-14 | Porsche Ag | Brennkraftmaschine, insbesondere für Motorräder |
JP2003035156A (ja) * | 2001-07-25 | 2003-02-07 | Sanshin Ind Co Ltd | 船外機用4サイクルエンジン |
US20090320632A1 (en) * | 2008-06-27 | 2009-12-31 | Cummins Intellectual Properties, Inc. | Marking scheme for a gear meshing arrangement to ensure proper assembly thereof |
CN106870714B (zh) * | 2017-02-27 | 2023-07-28 | 东风商用车有限公司 | 双顶置凸轮轴柴油机齿隙调节工具及方法 |
WO2019117891A1 (en) * | 2017-12-13 | 2019-06-20 | Cummins Inc. | Remotely mounted idler gear |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050208A (ja) * | 1983-08-31 | 1985-03-19 | Mazda Motor Corp | カムシヤフトの駆動装置 |
JPS62154206U (ja) * | 1986-03-20 | 1987-09-30 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB421359A (en) * | 1933-09-15 | 1934-12-19 | Irvin Ashcroft | Improvements in or relating to means for driving overhead cam shafts of internal combustion engines |
US2479617A (en) * | 1943-05-19 | 1949-08-23 | Morse Chain Co | Chain drive assembly |
JPS5974312A (ja) * | 1982-10-20 | 1984-04-26 | Honda Motor Co Ltd | V型エンジンの動弁装置 |
US4516546A (en) * | 1983-04-18 | 1985-05-14 | Mazda Motor Corporation | V-Type overhead-camshaft engine |
US4607601A (en) * | 1984-02-23 | 1986-08-26 | Compagnie Des Transmissions Mechaniques Sedis | Detachable timing gear cassette unit for an explosion or internal combustion engine |
KR890001689Y1 (ko) * | 1985-08-06 | 1989-04-07 | 마쓰다 가부시기가이샤 | 엔진의 캠축 구동장치 |
JP2566398B2 (ja) * | 1986-11-19 | 1996-12-25 | 本田技研工業株式会社 | エンジンの調時伝動装置 |
-
1988
- 1988-09-01 JP JP1988114019U patent/JP2509763Y2/ja not_active Expired - Fee Related
-
1989
- 1989-08-24 US US07/397,854 patent/US4951623A/en not_active Expired - Lifetime
- 1989-08-31 DE DE68911433T patent/DE68911433T2/de not_active Expired - Lifetime
- 1989-08-31 EP EP89402378A patent/EP0357511B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6050208A (ja) * | 1983-08-31 | 1985-03-19 | Mazda Motor Corp | カムシヤフトの駆動装置 |
JPS62154206U (ja) * | 1986-03-20 | 1987-09-30 |
Also Published As
Publication number | Publication date |
---|---|
DE68911433T2 (de) | 1994-06-16 |
EP0357511B1 (en) | 1993-12-15 |
US4951623A (en) | 1990-08-28 |
DE68911433D1 (de) | 1994-01-27 |
JP2509763Y2 (ja) | 1996-09-04 |
EP0357511A1 (en) | 1990-03-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |