JP6546855B2 - 内燃機関の可変動弁機構 - Google Patents
内燃機関の可変動弁機構 Download PDFInfo
- Publication number
- JP6546855B2 JP6546855B2 JP2016013954A JP2016013954A JP6546855B2 JP 6546855 B2 JP6546855 B2 JP 6546855B2 JP 2016013954 A JP2016013954 A JP 2016013954A JP 2016013954 A JP2016013954 A JP 2016013954A JP 6546855 B2 JP6546855 B2 JP 6546855B2
- Authority
- JP
- Japan
- Prior art keywords
- output arm
- arm
- cam
- state
- variable valve
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims description 22
- 238000002485 combustion reaction Methods 0.000 title claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000284 resting effect Effects 0.000 description 7
- 230000009191 jumping Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
Images
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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
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)
Description
[1]出力アームは、側方から見たシルエットで、外壁の長さ方向中間部が一般軸部側に持ち上がっていることで、前記背高に形成された態様。
[2]出力アームは、一般軸部側に突出する突起を備えていることで、前記背高に形成された態様。
7 バルブ
10 カムシャフト
11 一般軸部
15 カム部
20 入力アーム
30 出力アーム
40 切替装置
g 出力アームと一般軸部との隙間
Claims (1)
- 一般軸部(11)とカム部(15)とを軸長方向に並べて備えたカムシャフト(10)と、カム部(15)に押圧されて揺動する入力アーム(20)と、揺動可能に設けられて揺動時にはバルブ(7)を駆動する出力アーム(30)と、入力アーム(20)と出力アーム(30)とを共に揺動するように連結した連結状態とその連結を解除した非連結状態とに切り替える切替装置(40)とを含み構成された内燃機関の可変動弁機構において、
出力アーム(30)は、連結状態で且つバルブ(7)が閉じる時に一般軸部(11)との隙間(g)が3mm以下であるように、背高に形成され、
非連結状態において出力アーム(30)が跳ね上った時には、出力アーム(30)が前記隙間(g)を経て一般軸部(11)に当接するように構成されたことを特徴とする内燃機関の可変動弁機構。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016013954A JP6546855B2 (ja) | 2016-01-28 | 2016-01-28 | 内燃機関の可変動弁機構 |
EP16196504.1A EP3199771B1 (en) | 2016-01-28 | 2016-10-31 | Variable valve mechanism of internal combustion engine |
US15/363,866 US10240489B2 (en) | 2016-01-28 | 2016-11-29 | Variable valve mechanism of internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016013954A JP6546855B2 (ja) | 2016-01-28 | 2016-01-28 | 内燃機関の可変動弁機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017133422A JP2017133422A (ja) | 2017-08-03 |
JP6546855B2 true JP6546855B2 (ja) | 2019-07-17 |
Family
ID=57211411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016013954A Active JP6546855B2 (ja) | 2016-01-28 | 2016-01-28 | 内燃機関の可変動弁機構 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10240489B2 (ja) |
EP (1) | EP3199771B1 (ja) |
JP (1) | JP6546855B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2024524989A (ja) * | 2021-07-12 | 2024-07-09 | ジェイコブス ビークル システムズ、インコーポレイテッド | ローブ切り替え及び単一源のロストモーション用フィンガーフォロワを備えるバルブ作動システム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6136113U (ja) * | 1984-08-08 | 1986-03-06 | トヨタ自動車株式会社 | 内燃機関における吸排気弁の作動停止機構 |
US5529033A (en) * | 1995-05-26 | 1996-06-25 | Eaton Corporation | Multiple rocker arm valve control system |
JP3366196B2 (ja) | 1996-11-19 | 2003-01-14 | 本田技研工業株式会社 | 内燃機関の動弁装置 |
US6314928B1 (en) * | 2000-12-06 | 2001-11-13 | Ford Global Technologies, Inc. | Rocker arm assembly |
DE10155800A1 (de) * | 2001-11-14 | 2003-05-22 | Ina Schaeffler Kg | Schlepphebel eines Ventiltriebs einer Brennkraftmaschine |
DE102004039503A1 (de) * | 2004-08-14 | 2006-03-02 | Ina-Schaeffler Kg | Schlepphebel eines Ventiltriebs einer Brennkraftmaschine |
JP2009047111A (ja) * | 2007-08-22 | 2009-03-05 | Hitachi Ltd | 内燃機関の可変動弁装置 |
JP5049089B2 (ja) * | 2007-10-05 | 2012-10-17 | 株式会社オティックス | ロッカアーム支持部材及び可変動弁機構 |
JP4931757B2 (ja) | 2007-10-05 | 2012-05-16 | 株式会社オティックス | 可変動弁機構 |
US8215275B2 (en) * | 2010-08-13 | 2012-07-10 | Eaton Corporation | Single lobe deactivating rocker arm |
KR20140090654A (ko) * | 2011-11-06 | 2014-07-17 | 이턴 코포레이션 | 래치핀 어셈블리; 래치핀 어셈블리를 사용하는 로커아암장치; 및 조립방법 |
-
2016
- 2016-01-28 JP JP2016013954A patent/JP6546855B2/ja active Active
- 2016-10-31 EP EP16196504.1A patent/EP3199771B1/en not_active Not-in-force
- 2016-11-29 US US15/363,866 patent/US10240489B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017133422A (ja) | 2017-08-03 |
US20170218794A1 (en) | 2017-08-03 |
US10240489B2 (en) | 2019-03-26 |
EP3199771B1 (en) | 2018-10-17 |
EP3199771A1 (en) | 2017-08-02 |
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