JP4428145B2 - 船外機の吸気構造 - Google Patents
船外機の吸気構造 Download PDFInfo
- Publication number
- JP4428145B2 JP4428145B2 JP2004162376A JP2004162376A JP4428145B2 JP 4428145 B2 JP4428145 B2 JP 4428145B2 JP 2004162376 A JP2004162376 A JP 2004162376A JP 2004162376 A JP2004162376 A JP 2004162376A JP 4428145 B2 JP4428145 B2 JP 4428145B2
- Authority
- JP
- Japan
- Prior art keywords
- engine
- intake
- outboard motor
- camshaft
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 claims description 18
- 230000003584 silencer Effects 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000000498 cooling water Substances 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 12
- 230000006837 decompression Effects 0.000 description 10
- 239000007858 starting material Substances 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/165—Marine vessels; Ships; Boats
- F02M35/167—Marine vessels; Ships; Boats having outboard engines; Jet-skis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
2 V型エンジン
3 クランクシャフト
4 オイルパン
28 クランクケース
29 シリンダブロック
34 フライホイールカバー
37L,37R シリンダ
38L,38R シリンダヘッド
44 吸気ポート
45 排気ポート
46 吸気ポートの入口
47 排気ポートの出口
49 Vバンク
55 燃料ポンプ(燃料系補器)
56 OHV形式の動弁機構
70 吸気マニフォールド
72 キャブレタ
74 吸気サイレンサ
126 燃料フィルタ(燃料系補器)
Claims (2)
- 左右一対のシリンダを船外機の幅方向且つ後方に向かって平面視V字状に拡開して配置し、内部にクランクシャフトを略垂直に配置すると共に、OHV形式の動弁機構を備えたV型エンジンを搭載した船外機において、上記左右一対のシリンダに挟まれたVバンク間の上記エンジン上方、且つエンジン中心線上に一基のキャブレタをその吸気通路を前後方向に向けた状態で配置し、上記シリンダに水平方向に接続されたシリンダヘッドの上面にシリンダヘッド内の燃焼室から上方に向かって延びる吸気ポートの入口を開口する一方、上記シリンダヘッドの下面にシリンダヘッド内の燃焼室から下方に向かって延びる排気ポートの出口を開口し、上記キャブレタの下流側にキャブレタとの接続部から後方に延びた後、途中で左右に分岐して下方に向かって湾曲した吸気マニフォールドを接続するとともに、この吸気マニフォールドの下流を上記シリンダヘッドの上面に開口した吸気ポートの入口に接続し、且つ、上記エンジンの下面に設けた略板状のクランクケースに上下方向に貫通する左右一対の排気通路を形成するとともに、これらの排気通路の上側開口に上記シリンダヘッドの下面に開口した排気ポートの出口に接続し、上記OHV形式の動弁機構を構成するカムシャフトを、後方にV字状に拡開した左右のシリンダの分岐部のシリンダブロック側内部に配置するとともに、上記カムシャフト後方のシリンダに挟まれたVバンク間の上記吸気マニフォールド下方の囲まれた空間に前記カムシャフトで駆動される燃料ポンプを配置したことを特徴とする船外機の吸気構造。
- 上記キャブレタ上流側の上記エンジン上面にフライホイールカバーを配置し、このフライホイールカバー上面に吸気サイレンサを配置した請求項1記載の船外機の吸気構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004162376A JP4428145B2 (ja) | 2004-05-31 | 2004-05-31 | 船外機の吸気構造 |
US11/138,384 US7069895B2 (en) | 2004-05-31 | 2005-05-27 | Air intake system of outboard motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004162376A JP4428145B2 (ja) | 2004-05-31 | 2004-05-31 | 船外機の吸気構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005344525A JP2005344525A (ja) | 2005-12-15 |
JP4428145B2 true JP4428145B2 (ja) | 2010-03-10 |
Family
ID=35423846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004162376A Expired - Fee Related JP4428145B2 (ja) | 2004-05-31 | 2004-05-31 | 船外機の吸気構造 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7069895B2 (ja) |
JP (1) | JP4428145B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006315641A (ja) | 2005-05-16 | 2006-11-24 | Yamaha Marine Co Ltd | 船外機 |
CA2584386C (en) * | 2006-05-01 | 2013-11-19 | Honda Motor Co., Ltd. | Outboard engine unit |
US9903251B1 (en) | 2011-11-29 | 2018-02-27 | Brunswick Corporation | Outboard motors and exhaust systems for outboard motors having an exhaust conduit supported inside the V-shape |
US9174818B1 (en) | 2011-11-29 | 2015-11-03 | Brunswick Corporation | Marine engines and exhaust systems for marine engines having a catalyst for treating exhaust |
US9758228B1 (en) | 2016-07-01 | 2017-09-12 | Brunswick Corporation | Exhaust manifolds for outboard marine engines |
US10329978B1 (en) | 2018-02-13 | 2019-06-25 | Brunswick Corporation | High temperature exhaust systems for marine propulsion devices |
JP6541825B2 (ja) * | 2018-04-01 | 2019-07-10 | ▲福衛▼ 澤田 | カムシャフト及び内燃機関 |
US11493006B1 (en) * | 2021-10-22 | 2022-11-08 | Jeffrey Andrew McKaughan | Internal combustion engine air intake system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3164415B2 (ja) * | 1992-04-03 | 2001-05-08 | 本田技研工業株式会社 | 船外機のケース手段 |
JPH0893422A (ja) * | 1994-09-24 | 1996-04-09 | Honda Motor Co Ltd | 頭上弁式内燃機関の動弁装置 |
JPH09324651A (ja) * | 1996-06-04 | 1997-12-16 | Yamaha Motor Co Ltd | クランク室過給式v型エンジン |
JPH09324652A (ja) * | 1996-06-07 | 1997-12-16 | Yamaha Motor Co Ltd | クランク室過給式v型エンジン |
JPH1018852A (ja) * | 1996-06-28 | 1998-01-20 | Sanshin Ind Co Ltd | 船外機用v型エンジンの燃料配管構造 |
JP2000120422A (ja) * | 1998-10-12 | 2000-04-25 | Yamaha Motor Co Ltd | エンジンのカム軸潤滑構造 |
JP4450402B2 (ja) * | 2001-02-07 | 2010-04-14 | 本田技研工業株式会社 | 船外機のエンジンの吸気消音装置 |
JP4530577B2 (ja) * | 2001-05-15 | 2010-08-25 | 株式会社ケーヒン | 船外機用v型エンジンの吸気装置 |
US6725822B2 (en) * | 2001-05-15 | 2004-04-27 | Honda Giken Kogyo Kabushiki Kaisha | Intake system for multi-cylinder engine |
JP2003095192A (ja) * | 2001-09-20 | 2003-04-03 | Suzuki Motor Corp | 船外機のタンク構造 |
-
2004
- 2004-05-31 JP JP2004162376A patent/JP4428145B2/ja not_active Expired - Fee Related
-
2005
- 2005-05-27 US US11/138,384 patent/US7069895B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005344525A (ja) | 2005-12-15 |
US20050263123A1 (en) | 2005-12-01 |
US7069895B2 (en) | 2006-07-04 |
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