JP2009197732A - 動弁機構 - Google Patents
動弁機構 Download PDFInfo
- Publication number
- JP2009197732A JP2009197732A JP2008041986A JP2008041986A JP2009197732A JP 2009197732 A JP2009197732 A JP 2009197732A JP 2008041986 A JP2008041986 A JP 2008041986A JP 2008041986 A JP2008041986 A JP 2008041986A JP 2009197732 A JP2009197732 A JP 2009197732A
- Authority
- JP
- Japan
- Prior art keywords
- pair
- rocker
- valves
- rocker shaft
- rocker arm
- 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
Images
Classifications
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- 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
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
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- 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
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- 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
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
- F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
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- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
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- 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
- F01L2305/00—Valve arrangements comprising rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
【解決手段】動弁機構9は、一対のラッシュアジャスタ30a,30bが間隔をおいて設置され、各ラッシュアジャスタのプランジャ31に貫通穴状の支持穴32が設けられている。その一対のラッシュアジャスタ30a,30bの支持穴32,32に一本のロッカシャフト40が挿入されることによって、該一対のラッシュアジャスタ30a,30bに該一本のロッカシャフト40が支持されている。そして、該一本のロッカシャフト40に、同一シリンダに対する一対のバルブ8,8を駆動するロッカアーム20が揺動可能に軸支されている。
【選択図】図1
Description
(ア)前記一本のロッカシャフトに、複数のバルブを駆動する一のロッカアームが軸支されている場合
(イ)前記一本のロッカシャフトに、各バルブをそれぞれ駆動する複数のロッカアームが軸支されている場合
(ウ)前記一対のラッシュアジャスタの各プランジャの上端部が半球状に形成され、一対の該プランジャの上端部の上に前記一本のロッカシャフトが載置されている場合
(エ)前記一対のラッシュアジャスタの各プランジャには貫通穴が設けられ、一対の該貫通穴に前記一本のロッカシャフトが挿入されている場合
8 バルブ
9 動弁機構
10 回転カム
20 ロッカアーム
30a 一方のラッシュアジャスタ
30b 他方のラッシュアジャスタ
40 ロッカシャフト
70 ロッカアーム
80 ロッカアーム
Claims (1)
- 一対のラッシュアジャスタが間隔をおいて設置され、該一対のラッシュアジャスタに一本のロッカシャフトが支持され、該一本のロッカシャフトに、同一気筒に対する複数のバルブを駆動する一又は複数のロッカアームが揺動可能に軸支されてなる動弁機構。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008041986A JP5252946B2 (ja) | 2008-02-22 | 2008-02-22 | 動弁機構 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008041986A JP5252946B2 (ja) | 2008-02-22 | 2008-02-22 | 動弁機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009197732A true JP2009197732A (ja) | 2009-09-03 |
JP5252946B2 JP5252946B2 (ja) | 2013-07-31 |
Family
ID=41141507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008041986A Expired - Fee Related JP5252946B2 (ja) | 2008-02-22 | 2008-02-22 | 動弁機構 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5252946B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018105174A (ja) * | 2016-12-26 | 2018-07-05 | トヨタ自動車株式会社 | エンジンの可変動弁機構 |
CN111164279A (zh) * | 2017-08-25 | 2020-05-15 | 伊顿智能动力有限公司 | 与两步可变气门升程摇杆臂相结合时的低行程停用间隙调节器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6110905U (ja) * | 1984-06-25 | 1986-01-22 | スズキ株式会社 | 4サイクルエンジンのロツカ−ア−ム保持装置 |
JPS63117111A (ja) * | 1986-11-01 | 1988-05-21 | Honda Motor Co Ltd | 内燃機関の弁作動特性可変制御装置 |
JPS6480712A (en) * | 1987-09-19 | 1989-03-27 | Mazda Motor | Valve system for engine |
JPS6451710U (ja) * | 1987-09-29 | 1989-03-30 | ||
JPS6487812A (en) * | 1987-09-29 | 1989-03-31 | Mazda Motor | Valve driving device for engine |
-
2008
- 2008-02-22 JP JP2008041986A patent/JP5252946B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6110905U (ja) * | 1984-06-25 | 1986-01-22 | スズキ株式会社 | 4サイクルエンジンのロツカ−ア−ム保持装置 |
JPS63117111A (ja) * | 1986-11-01 | 1988-05-21 | Honda Motor Co Ltd | 内燃機関の弁作動特性可変制御装置 |
JPS6480712A (en) * | 1987-09-19 | 1989-03-27 | Mazda Motor | Valve system for engine |
JPS6451710U (ja) * | 1987-09-29 | 1989-03-30 | ||
JPS6487812A (en) * | 1987-09-29 | 1989-03-31 | Mazda Motor | Valve driving device for engine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018105174A (ja) * | 2016-12-26 | 2018-07-05 | トヨタ自動車株式会社 | エンジンの可変動弁機構 |
CN111164279A (zh) * | 2017-08-25 | 2020-05-15 | 伊顿智能动力有限公司 | 与两步可变气门升程摇杆臂相结合时的低行程停用间隙调节器 |
Also Published As
Publication number | Publication date |
---|---|
JP5252946B2 (ja) | 2013-07-31 |
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