JP2004162705A - クランクケース内部にある改良された空気・燃料供給装置 - Google Patents
クランクケース内部にある改良された空気・燃料供給装置 Download PDFInfo
- Publication number
- JP2004162705A JP2004162705A JP2003360998A JP2003360998A JP2004162705A JP 2004162705 A JP2004162705 A JP 2004162705A JP 2003360998 A JP2003360998 A JP 2003360998A JP 2003360998 A JP2003360998 A JP 2003360998A JP 2004162705 A JP2004162705 A JP 2004162705A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- air
- nozzle
- diffuser
- engine
- 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.)
- Ceased
Links
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Classifications
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/28—Component parts, details or accessories of crankcase pumps, not provided for in, or of interest apart from, subgroups F02B33/02 - F02B33/26
-
- 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
- F02B75/00—Other engines
- F02B75/34—Ultra-small engines, e.g. for driving models
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Fuel-Injection Apparatus (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
【効果】空気・燃料供給の速度、圧力、温度が変化し、燃料と空気との混合は更に均一な供給になり、その結果、エンジンの出力向上、燃費改善、排気ガスエミッションの減少効果をもたらす。
【選択図】図5
Description
速度のマッハ数が1. 0以下であれば図の通りになる。
この場合、速度が増えるのは断面積の変化に基因し、空気流れが大きな面積から小さな断面積へと流れるのに伴い、空気流れの空力パラメータが変化して吸気供給速度は上昇する。
空気速度は連続の式から計算される:
米国特許No.4,362,122、No.4,860,699 、No.5,261,359 、No.5,967,103 、No.6,216,649 、No.6,267,088 と特許出願公開No.2002/26,912A 。
Claims (5)
- 次の構成部品を有するピストンエンジンであって、
クランクケースと、燃焼室と、そのクランクケースに空気・燃料を供給するノズル−ディフューザとを具備し、
そのノズルディフーザの構成部品は、入口端と出口端とを有し、これらの入口端と出口端の間に入口ポートの内側表面がテーパ状になっている喉部を有し、その喉部の断面積が入口端または、出口端の面積より小さい断面積を持ち、
前記クランクケースは、燃焼室とバルブで連結されていることを特徴とする。 - 請求項1において、
更に、クランク軸にノズル−ディフューザが内蔵されたピストンエンジン。 - 請求項2において、
更に、クランク軸にピストン・カウンターウェイトが連結され、
前記ノズル−ディフューザの出力端からカウンターウェイトを通ずる空気・燃料管路が少なくとも一つ延長されたピストンエンジン。 - 請求項3において、
更に、コネクティングロッドに、ノズル−ディフューザの出口端から流出する空気・燃料が通過出来るような開口部を有するピストンエンジン。 - 請求項2において、
更に、コネクティングロッドに、ノズル−ディフューザの出口端から流出する空気・燃料が通過出来るような開口部を有するピストンエンジン。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/282,103 US6843213B2 (en) | 2002-10-29 | 2002-10-29 | Air-fuel charge in crankcase |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004162705A true JP2004162705A (ja) | 2004-06-10 |
Family
ID=32107303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003360998A Ceased JP2004162705A (ja) | 2002-10-29 | 2003-10-21 | クランクケース内部にある改良された空気・燃料供給装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6843213B2 (ja) |
JP (1) | JP2004162705A (ja) |
CN (1) | CN1499059A (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4929171B2 (ja) * | 2004-08-06 | 2012-05-09 | チーム オリオン ヨーロッパ エス.エー. | 特に模型製作に使用するための高出力2ストロークエンジン |
US8955489B1 (en) * | 2013-08-26 | 2015-02-17 | Nai Wen Liu | Crankshaft structure for model engine |
US10012145B1 (en) | 2017-12-01 | 2018-07-03 | Alberto Francisco Araujo | Internal combustion engine with coaxially aligned pistons |
US10378578B1 (en) | 2018-07-13 | 2019-08-13 | Alberto Francisco Araujo | Internal combustion engine using yoke assemblies in unopposed cylinder units |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362132A (en) | 1981-01-12 | 1982-12-07 | Neuman Clayton L | Two-cycle engine |
US4682571A (en) * | 1985-12-17 | 1987-07-28 | Tecumseh Products Company | Exhaust gas recirculation system for crankcase scavenged two cycle engine |
US4852542A (en) | 1987-10-23 | 1989-08-01 | Adiabatics, Inc. | Thin thermal barrier coating for engines |
JPH0180671U (ja) * | 1987-11-18 | 1989-05-30 | ||
US4860699A (en) | 1988-07-05 | 1989-08-29 | John Rocklein | Two-cycle engine |
US5820976A (en) | 1988-12-05 | 1998-10-13 | Adiabatics, Inc. | Thin insulative ceramic coating and process |
US5261359A (en) | 1990-09-13 | 1993-11-16 | Hull Francis R | Reciprocating 2-stroke cycle internal combustion engine |
SE468487B (sv) * | 1991-05-24 | 1993-01-25 | Electrolux Ab | Tvaataktsmotor med braensleinsprutning |
AT2433U1 (de) * | 1997-05-28 | 1998-10-27 | Avl List Gmbh | Brennkraftmaschine mit einem abgasturbolader |
US5967103A (en) | 1998-04-08 | 1999-10-19 | Kuperman; Aryeh | Three-cycle stroke two internal combustion engine |
US6216649B1 (en) | 1999-05-19 | 2001-04-17 | Adventech Corporation | Low emission two-cycle internal combustion engine for powering a portable tool |
JP2001082154A (ja) | 1999-08-25 | 2001-03-27 | Andreas Stihl:Fa | 空気掃気される掃気通路を備えた2サイクル機関 |
DE10044023A1 (de) | 2000-09-06 | 2002-03-14 | Stihl Maschf Andreas | Zweitaktmotor mit Luftspülung |
DE10109207B4 (de) * | 2001-02-26 | 2011-10-06 | Andreas Stihl Ag & Co | Verbindungsstutzen zwischen einem Vergaser und einem Zylinder eines Verbrennungsmotors |
AT5579U1 (de) * | 2001-07-23 | 2002-08-26 | Avl List Gmbh | Abgasrückführkühler |
-
2002
- 2002-10-29 US US10/282,103 patent/US6843213B2/en not_active Expired - Fee Related
-
2003
- 2003-10-21 JP JP2003360998A patent/JP2004162705A/ja not_active Ceased
- 2003-10-27 CN CNA2003101036765A patent/CN1499059A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20040079303A1 (en) | 2004-04-29 |
CN1499059A (zh) | 2004-05-26 |
US6843213B2 (en) | 2005-01-18 |
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