JP4739277B2 - V型エンジン - Google Patents
V型エンジン Download PDFInfo
- Publication number
- JP4739277B2 JP4739277B2 JP2007120058A JP2007120058A JP4739277B2 JP 4739277 B2 JP4739277 B2 JP 4739277B2 JP 2007120058 A JP2007120058 A JP 2007120058A JP 2007120058 A JP2007120058 A JP 2007120058A JP 4739277 B2 JP4739277 B2 JP 4739277B2
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- Prior art keywords
- exhaust
- suction
- cam
- banks
- intake
- 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.)
- Expired - Fee Related
Links
- 230000006837 decompression Effects 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 9
- 239000006200 vaporizer Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000002513 implantation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
-
- 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
- F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
- F01L13/085—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio the valve-gear having an auxiliary cam protruding from the main cam profile
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
-
- 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
- F02F1/002—Integrally formed cylinders and cylinder heads
-
- 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
- F02F7/0002—Cylinder arrangements
- F02F7/0012—Crankcases of V-engines
-
- 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
- F01L1/181—Centre pivot rocking arms
- F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
-
- 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
- F01L2001/054—Camshafts in cylinder block
-
- 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
- F01L2303/00—Manufacturing of components used in valve arrangements
-
- 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
- F01L2800/00—Methods of operation using a variable valve timing mechanism
- F01L2800/03—Stopping; Stalling
-
- 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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/04—Cylinders; Cylinder heads having cooling means for air cooling
- F02F1/06—Shape or arrangement of cooling fins; Finned cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
B2・・・・第2バンク
E・・・・・V型エンジン
F・・・・・クランクピンの端面の延長面
D・・・・・クランクピンの両端面の延長面間
1・・・・・クランクケース
3・・・・・シリンダブロック
3a・・・・シリンダボア
7・・・・・クランク軸
11・・・・谷部
35a,35b・・・吸気弁
36a,36b・・・排気弁
37・・・・動弁装置
38・・・・カム軸
38i,38e・・・吸,排気カム
42a,42b・・・第1,第2吸気カムフォロワ
43a,43b・・・第1,第2排気カムフォロワ
44a,44b・・・第1,第2吸気プッシュロッド
45a,45b・・・第1,第2排気プッシュロッド
46・・・・カムフォロワ軸
47・・・・ボス部
48・・・・スリッパ部
64・・・・平坦部
66・・・・デコンプ部材
66a・・・デコンプアーム
66b・・・遠心ウエイト
69・・・・戻しばね
71a,71b・・・吸気ロッカアーム
72a,72b・・・排気ロッカアーム
Claims (3)
- それぞれシリンダボア(3a)を有して,相互間に谷部(11)を画成するようにV字状に並ぶ第1及び第2バンク(B1,B2)を,クランク軸(7)を支持するクランクケース(1)に連設すると共に,各バンク(B1,B2)の外壁に冷却フィン(6)を突設し,各バンク(B1,B2)の頭部に吸,排気弁(35a,36a;35b,36b)をV字状に配置し,これら吸,排気弁(35a,36a;35b,36b)を開閉駆動する動弁装置(37)を,クランク軸(7)の上方に配設されてクランク軸(7)から駆動されるカム軸(38)と,このカム軸(38)の吸,排気カム(38i,38e)によりそれぞれ昇降される第1吸,排気カムフォロワ(42a,43a)及び第2吸,排気カムフォロワ(42b,43b)と,これら第1吸,排気カムフォロワ(42a,43a)及び第2吸,排気カムフォロワ(42b,43b)に下端をそれぞれ連接して第1及び第2バンク(B1,B2)の前記谷部(11)側にそれぞれ配設される第1吸,排気プッシュロッド(44a,45a)及び第2吸,排気プッシュロッド(44b,45b)と,これら第1吸,排気プッシュロッド(44a,45a)及び第2吸,排気プッシュロッド(44b,45b)の上端を対応するバンク(B1,B2)の吸,排気弁(35a,36a;35b,36b)にそれぞれ連接する第1吸,排気ロッカアーム(71a,72a)及び第2吸,排気ロッカアーム(71b,72b)とで構成したV型エンジンにおいて,
各バンク(B1,B2)の各吸,排気ロッカアーム(71a,72a;71b,72b)を,これらの吸,排気プッシュロッド(44a,45a;44b,45b)側端部が相互に近接するように平面視でハ字状に配置して,各吸,排気プッシュロッド(44a,45a;44b,45b)を相互に近接させ,各カムフォロワ(42a,43a;42b,43b)を,カム軸(38)の直上でそれと平行にクランクケース(1)に支持される1本のカムフォロワ軸(46)に揺動自在に支承されるボス部(47)と,対応するカム(38i,38e)に摺接するスリッパ部(48)とで構成し,第1及び第2吸気カムフォロワ(42a,42b)では,それらのボス部(47,47)をカムフォロワ軸(46)上で互いに当接して隣接させると共に,スリッパ部(48,48)を吸気カム(38i)を挟んで正対させるべく,これらスリッパ部(48,48)の,カム軸(38)の軸方向に沿う一端部を互い違いに延出させ,また第1及び第2排気カムフォロワ(43a,43b)でも,それらのボス部(47,47)をカムフォロワ軸(46)上で互いに当接して隣接させると共に,スリッパ部(48,48)を排気カム(38e)を挟んで正対させるべく,これらスリッパ部(48,48)の,カム軸(38)の軸方向に沿う一端部を互い違いに延出させ,第1,第2吸気カムフォロワ(42a,42b)と第1,第2排気カムフォロワ(43a,43b)とを,クランクケース(1)に両端部を支持される前記カムフォロワ軸(46)の中間部に相互に隣接配置し,それに対応して吸気及び排気カム(38i,38e)を隣接配置したことを特徴とするV型エンジン。 - 請求項1記載のV型エンジンにおいて,
両バンク(B1,B2)の第1及び第2吸,排気カムフォロワ(42a,43a;42b,43b),並びに吸,排気カム(38i,38e)の大部分をクランク軸(7)のクランクピン(7p)の両端面の延長面(F,F)間(D)に収めたことを特徴とするV型エンジン。 - 請求項1又は2記載のV型エンジンにおいて,
カム軸(38)に,その一般面から排気カム(38e)のベース面にかけて平坦部(64)を形成し,この平坦部(64)にデコンプ部材(66)を揺動自在に軸支し,このデコンプ部材(66)を,V型エンジン(E)の停止ないし始動時,排気カム(38e)のベース面側の作動位置にあって,V型エンジン(E)の圧縮行程で第1及び第2排気カムフォロワ(43a,43b)をリフトさせるべく該ベース面より先端部を突出させるデコンプアーム(66a)と,V型エンジン(E)のアイドリング以上の回転時,前記デコンプアーム(66a)を前記ベース面より退去させるべく遠心力を発生する遠心ウエイト(66b)とより構成し,このデコンプ部材(66)に,デコンプアーム(66a)を前記作動位置に向かって付勢する戻しばね(69)を接続したことを特徴とするV型エンジン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007120058A JP4739277B2 (ja) | 2007-04-27 | 2007-04-27 | V型エンジン |
US12/109,044 US7918199B2 (en) | 2007-04-27 | 2008-04-24 | V-type engine |
EP08251514A EP1985812B1 (en) | 2007-04-27 | 2008-04-24 | V-type engine |
DE602008000851T DE602008000851D1 (de) | 2007-04-27 | 2008-04-24 | V-Motor |
ES08251514T ES2341396T3 (es) | 2007-04-27 | 2008-04-24 | Motor de tipo en v. |
CN2008100923552A CN101294503B (zh) | 2007-04-27 | 2008-04-24 | V型发动机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007120058A JP4739277B2 (ja) | 2007-04-27 | 2007-04-27 | V型エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008274864A JP2008274864A (ja) | 2008-11-13 |
JP4739277B2 true JP4739277B2 (ja) | 2011-08-03 |
Family
ID=39645376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007120058A Expired - Fee Related JP4739277B2 (ja) | 2007-04-27 | 2007-04-27 | V型エンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US7918199B2 (ja) |
EP (1) | EP1985812B1 (ja) |
JP (1) | JP4739277B2 (ja) |
CN (1) | CN101294503B (ja) |
DE (1) | DE602008000851D1 (ja) |
ES (1) | ES2341396T3 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5909322B2 (ja) * | 2011-04-20 | 2016-04-26 | 本田技研工業株式会社 | 可変動弁機構を備える内燃機関の油路構造 |
JP6089575B2 (ja) * | 2012-10-18 | 2017-03-08 | スズキ株式会社 | デコンプ装置のデコンプ部品 |
US9752463B2 (en) * | 2012-11-06 | 2017-09-05 | Gangxue Niu | Decompression device for internal combustion engine |
US8931444B2 (en) | 2012-11-20 | 2015-01-13 | Ford Global Technologies, Llc | Head packaging for cylinder deactivation |
CN103557038A (zh) * | 2013-11-12 | 2014-02-05 | 隆鑫通用动力股份有限公司 | 气门摇臂安装构造及其汽油机 |
USD733762S1 (en) | 2014-01-17 | 2015-07-07 | Kohler Co. | Engine |
CN109973168B (zh) * | 2019-03-27 | 2020-11-10 | 大连理工大学 | 一种多模式全可变机构 |
WO2022262905A1 (de) * | 2021-06-16 | 2022-12-22 | Neander Motors Aktiengesellschaft | Hubkolbenmotor |
US11719182B1 (en) * | 2022-08-17 | 2023-08-08 | Deltahawk Engines, Inc. | Engine cylinder with liner |
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JPS60192207A (ja) * | 1984-03-13 | 1985-09-30 | Nittan Co Ltd | 防災用検出装置 |
JPS6117147A (ja) * | 1984-07-04 | 1986-01-25 | Nec Corp | フオトマスクのパタ−ン検査方法 |
JPS63246404A (ja) * | 1987-04-01 | 1988-10-13 | Yamaha Motor Co Ltd | 内燃機関の減圧装置 |
JPH03107515A (ja) * | 1989-09-20 | 1991-05-07 | Honda Motor Co Ltd | V型エンジン |
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JP4430658B2 (ja) * | 2006-12-22 | 2010-03-10 | 本田技研工業株式会社 | V型エンジン |
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-
2007
- 2007-04-27 JP JP2007120058A patent/JP4739277B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-24 ES ES08251514T patent/ES2341396T3/es active Active
- 2008-04-24 CN CN2008100923552A patent/CN101294503B/zh not_active Expired - Fee Related
- 2008-04-24 EP EP08251514A patent/EP1985812B1/en active Active
- 2008-04-24 US US12/109,044 patent/US7918199B2/en active Active
- 2008-04-24 DE DE602008000851T patent/DE602008000851D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP1985812A1 (en) | 2008-10-29 |
EP1985812B1 (en) | 2010-03-24 |
ES2341396T3 (es) | 2010-06-18 |
DE602008000851D1 (de) | 2010-05-06 |
US20080264361A1 (en) | 2008-10-30 |
US7918199B2 (en) | 2011-04-05 |
JP2008274864A (ja) | 2008-11-13 |
CN101294503A (zh) | 2008-10-29 |
CN101294503B (zh) | 2011-05-18 |
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