TWI330684B - Two-stroke internal combustion engine - Google Patents

Two-stroke internal combustion engine Download PDF

Info

Publication number
TWI330684B
TWI330684B TW094124061A TW94124061A TWI330684B TW I330684 B TWI330684 B TW I330684B TW 094124061 A TW094124061 A TW 094124061A TW 94124061 A TW94124061 A TW 94124061A TW I330684 B TWI330684 B TW I330684B
Authority
TW
Taiwan
Prior art keywords
crankcase
nozzle
internal combustion
combustion engine
fuel
Prior art date
Application number
TW094124061A
Other languages
English (en)
Other versions
TW200607916A (en
Inventor
Techn Roland Kirchberger Dipl-Ing
Original Assignee
Techn Roland Kirchberger Dipl-Ing
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Techn Roland Kirchberger Dipl-Ing filed Critical Techn Roland Kirchberger Dipl-Ing
Publication of TW200607916A publication Critical patent/TW200607916A/zh
Application granted granted Critical
Publication of TWI330684B publication Critical patent/TWI330684B/zh

Links

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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/045—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the combustion chamber
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/10—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber
    • 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
    • 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
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Description

1330684 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種二行程内燃機，其至少包含一汽缸、一曲 柄箱，其經由至少一傳送埠氣流式地與汽缸相連接並具一進氣 • 埠’及一選擇引導燃油進入汽缸或曲柄箱之噴射裝置。 - 【先前技術】 為減少一行程内燃機因燃油喷入吸進曲柄箱之氣體造成碳化 不芫全之排氣損失，燃油可於傳送埠區域内喷入汽缸，或於空氣 摩 傳送入曲柄箱時直接喷入汽紅内。此兩種情形下，皆可提供延時 之燃油喷射，以減少排氣造成之損失。然而燃油之延時喷射造成 碳化不完全，亦造成速度連續性降低及燃燒不完全。為避免此些 缺點’已於美國專利案(US PatNo. 4,779,581 A)中提出根據引擎負 - 載或引擎速度，不是將燃油噴入吸進曲柄箱之氣體中，就是將燃 • 油噴入傳送埠區域，再由氣體帶入汽缸内。為此，於曲柄箱之進 乳埠及傳送埠之穿孔區域各安裝一喷嘴，其藉由一控制裝置選擇 性地根據引擎之速度來觸動，如此一來，引擎高轉速時燃油藉由 φ 在進氣埠中之喷嘴噴入抽拉入曲柄箱中之空氣以完成混合。引擎 低轉速時燃油經由汽缸上之喷嘴噴入從曲柄箱傳送入汽缸之燃燒 氣體中。此類已知之喷射裝置其缺點為結構複雜，一方面由於曲 柄箱，另一方面則由於與汽缸相關之喷嘴。 【發明内容】 本發明之目的為提出一種上述之二行程内燃機，其視引擎負 載而定<碳化作用，可於曲柄箱中或汽缸中完成，而不須因個別 之噴嘴增加結構之複雜性。 根據本發明’達成其目的係藉由喷射裝置中至少包含一喷 嘴，其朝向起始自進氣埠之傳送埠進氣區域，並可根據活塞移動 5 又万向及傳送埠之控制加以觸動。 油傳==自進氣埠之傳送崞進氣區域，喷射出之燃 :氣送璋果氣體於活塞壓縮行程期間經由 載抽拉入曲柄箱内目之氣體區域所噴出之燃油藉由搭 終點喷射燃油，則燃油於傳由呈 心内，而與排氣時間有所遲延 =生在傳达車及 送_決定_油之間隔，碳_=== :負載：於=箱内或曲_，以使得排=== 低’另一万面研可確保速度之連續性。 狀降 獲得===:進=域;面時，能 :氣體 間皆能產生有利之流動條件。 雜之万向時，為另—結構:旱 =氣:=:二氣流傳r關閉時’燃油到達傳 用。 釦<氧也一起傳入以完成碳化作 另-種根據引擎速度或引擎負 合之進-步可能性，其特徵為噴4置外:=混 在面對喷嘴之周邊包含-為喷射燃開:活： 油·^傳:¾路財取決於獅之噴射縣。如果燃油
例中喷射it}輸之傳送路 於活塞之上行程區域喷 邊開口刭括名也儿， 可直接動作發生在活塞下行錄置噴偷_，燃油 之碳化作人細内’以便與來自曲柄箱之氣體混合，以完成延遲 動嘴嘴、用°由此可知噴嘴之安裝可藉由根據活塞行程位置而觸 【圖式擇在曲柄㈣或曲柄箱外進行碳化作用° 本發明主旨藉圖式之例子顯示，其中， 根據本發明之二行程内燃機於轉動位置之轴向截面示圖，顯 圖一示燃油在曲柄箱外進行碳化之噴射情形； —，示根據圖-之二行程内燃機㈣動位置時燃油在曲柄箱 内進行碳化之噴射情形； 圖-和圖㈤顯示對應㈣—及圖二之二行程内燃機，其嗜嘴之 士裝異於圖一及圖二； 圖五=轉據本發明對應於圖—之二行程内賴之—種結構變 組’其在轉動位置時燃油在曲柄箱外進行碳化之噴射情形， ’、顯不對應於圖三之二行程内賴在轉動位置時燃油在曲柄 箱内進行碳化之噴射情形。 【實施方式】 根據圖-及圖二之二行程内燃機至少包含一汽缸i，其與曲祸 目2形成一引擎區塊。在曲柄箱2及汽缸丄之間至少設置具一傳 :阜其起始自進氧埠4，通過該進氣瑋經由一上游之復歸閥門 被吸入曲柄箱2，即藉助活塞5形成之曲柄箱㈣進人曲柄箱内。 1330684 【主要元件符號說明】 1 汽缸 2 曲柄箱 3 傳送埠 4 進氣埠 5 活塞 6 廢棄排放埠 7 連接桿 8 曲柄軸 9 曲柄栓 10 曲柄軸之支桿 11 喷嘴 12 進氣區域 13 開口 10

Claims (1)

  1. f、申請專利範圍： .:、t: -------'· - .一種二行程内燃機，其至少包含_汽缸、 導燃油進入汽虹或曲柄箱之喷 柄相，及—可選擇？I 氣流式地與汽紅相連接，並目經由至少—傳送蟑 至少包含-噴嘴其特徵為，該噴射裝置 進氣區域(==5 =缚⑷之物⑶ 制加以觸動。 塞（5)〈移動万向及傳送埠⑴之控 龄1爾述之二練㈣機，其特徵為，喷嘴 =裝於物⑴進氣區域⑻對面之進氣痒⑷= 圍第1項所述之二行程内燃機，其特徵為，喷嘴 逆於氣流傳送之方向。 ^距段距離，且 一種二行程内燃機，其至一一 或曲柄箱之喷雜置，該：=二= 少包二噴相連接，並具有一進氣谭，其做為，噴射裝置至 内^可佑'壬I10’其於活塞（5)賴死點間開口朝向汽缸⑴ 噴嘴(5)之行程位置加_動，且絲⑸在其面對 )又周邊側面上，包含一位於襯邊之開口（13彳， 燃油經由活塞⑺引導進入曲柄箱(2)内。 （13)，用以將
TW094124061A 2004-07-21 2005-07-15 Two-stroke internal combustion engine TWI330684B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0124104A AT501986B1 (de) 2004-07-21 2004-07-21 Zweitakt-verbrennungsmotor

Publications (2)

Publication Number Publication Date
TW200607916A TW200607916A (en) 2006-03-01
TWI330684B true TWI330684B (en) 2010-09-21

Family

ID=34981439

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094124061A TWI330684B (en) 2004-07-21 2005-07-15 Two-stroke internal combustion engine

Country Status (10)

Country Link
US (1) US7574985B2 (zh)
EP (1) EP1769146B1 (zh)
CN (1) CN101023251A (zh)
AT (2) AT501986B1 (zh)
AU (1) AU2005263216A1 (zh)
CA (1) CA2575403A1 (zh)
DE (1) DE502005009682D1 (zh)
ES (1) ES2345665T3 (zh)
TW (1) TWI330684B (zh)
WO (1) WO2006007614A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0701970D0 (en) * 2007-02-01 2007-03-14 Wilson Stuart Treatment of protein aggregation diseases
AT507635B1 (de) * 2008-12-02 2013-08-15 Kirchberger Roland Dipl Ing Dr Techn Zweitakt-verbrennungsmotor
KR101251528B1 (ko) * 2011-09-29 2013-04-05 현대자동차주식회사 2기통 엔진의 서지 방지 구조
NL1040344C2 (nl) * 2013-08-21 2015-02-24 Vhm Van Haandel Motorparts B V Tweetaktmotorblok met vernieuwend carter, waarbij technische oplossingen zijn gevonden. het carter is geconstrueerd zodat de carburateur horizontaal gepositioneerd kan worden. de rotatie richting van de krukas is omgekeerd t.o.v. een bestaand motorblok. de krukas roteert dezelfde richting op als de stromingsrichting van het lucht-brandstofmengsel. het lucht-brandstofmengsel stroomt vanuit de carburateur via een apart flow kanaal in het carter om de krukas heen. een tussentandwiel is overbodig bij het vernieuwend carter.
JP5997790B2 (ja) * 2015-02-09 2016-09-28 本田技研工業株式会社 内燃機関の潤滑装置
WO2016128861A1 (en) * 2015-02-11 2016-08-18 Betamotor S.P.A. Injection system for two-stroke engines
DE102017102792A1 (de) 2017-02-13 2018-08-16 Ktm Ag Zweitaktbrennkraftmaschine
WO2020256624A1 (en) 2019-06-19 2020-12-24 Husqvarna Ab Two-stroke engine, and handheld power tool
US10707750B1 (en) * 2019-07-05 2020-07-07 Delta Electronics Int'l (Singapore) Pte Ltd Charge-based charge pump with wide output voltage range
DE102020000989A1 (de) 2020-02-15 2021-08-19 Andreas Stihl Ag & Co. Kg Zweitaktmotor und Verfahren zum Betrieb eines Zweitaktmotors
WO2023162144A1 (ja) * 2022-02-25 2023-08-31 株式会社やまびこ 空気吸気式２ストロークエンジン

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231482B (de) * 1963-02-12 1966-12-29 Wilhelm Schindele Vorrichtung zum Einbringen des Brennstoffes bei schnellaufenden Einspritzbrennkraftmaschinen, insbesondere mit Gemischverdichtung und Fremdzuendung
US3190271A (en) * 1964-01-27 1965-06-22 Mcculloch Corp Fuel-air injection system for internal combustion engines
US3698368A (en) * 1970-03-13 1972-10-17 Yamaha Motor Co Ltd Fuel feed device for an internal combustion engine
US3730149A (en) * 1971-01-21 1973-05-01 Outboard Marine Corp Drain return for engine
AT391351B (de) * 1985-11-06 1990-09-25 Steyr Daimler Puch Ag Zweitakt-brennkraftmaschine mit kurbelgehaeusespuelung und einer duese zur kraftstoffeinspritzung
DE3735710A1 (de) * 1987-10-22 1989-05-03 Stihl Maschf Andreas Zweitaktmotor fuer schnell laufende arbeitsgeraete
US4779581A (en) * 1987-10-26 1988-10-25 Outboard Marine Corporation Dual fuel injection system for two stroke internal combustion engine
JPH03179152A (ja) * 1989-12-06 1991-08-05 Sanshin Ind Co Ltd ２サイクル複数気筒エンジンの吸気装置
DE59101370D1 (de) * 1990-09-07 1994-05-19 Laimboeck Franz Fremdgezündete Zweitakt-Hubkolbenbrennkraftmaschine mit Kurbelgehäusespülung.
JPH07259707A (ja) 1994-03-22 1995-10-09 Yamaha Motor Co Ltd 燃料噴射式２サイクルエンジンにおける燃料噴射方法
GB9412181D0 (en) * 1994-06-17 1994-08-10 Ricardo Consulting Eng Crankcase scavenged two-stroke engines
JPH09250429A (ja) * 1996-03-16 1997-09-22 Yamaha Motor Co Ltd 燃料噴射供給式エンジン
JPH10122087A (ja) * 1996-10-16 1998-05-12 Kioritz Corp ２サイクル内燃エンジン
JPH10122102A (ja) * 1996-10-16 1998-05-12 Kioritz Corp ２サイクル内燃エンジン
US5762040A (en) * 1997-02-04 1998-06-09 Brunswick Corporation Cylinder wall fuel injection system for loop-scavenged, two-cycle internal combustion engine
JP2000064933A (ja) * 1998-08-19 2000-03-03 Yamaha Motor Co Ltd ２サイクル筒内噴射エンジンの始動方法
JP2000283008A (ja) * 1999-03-31 2000-10-10 Suzuki Motor Corp 二サイクルエンジンの燃料噴射装置

Also Published As

Publication number Publication date
CA2575403A1 (en) 2006-01-26
EP1769146B1 (de) 2010-06-02
EP1769146A1 (de) 2007-04-04
ATE470057T1 (de) 2010-06-15
CN101023251A (zh) 2007-08-22
AT501986B1 (de) 2007-03-15
AT501986A1 (de) 2006-12-15
AU2005263216A1 (en) 2006-01-26
US7574985B2 (en) 2009-08-18
TW200607916A (en) 2006-03-01
ES2345665T3 (es) 2010-09-29
US20080083381A1 (en) 2008-04-10
WO2006007614A1 (de) 2006-01-26
DE502005009682D1 (de) 2010-07-15

Similar Documents

Publication Publication Date Title
TWI330684B (en) Two-stroke internal combustion engine
JP4381572B2 (ja) 容積形機関の窒素酸化物（ｎｏｘ）排出量を削減する方法
JP5362028B2 (ja) 内燃機関
JPH0232466B2 (zh)
EP1878892A3 (en) Spark ignition type multi-cylinder engine
EP1134384A3 (en) Fuel injection system for internal combustion engine
EP1365140A3 (en) Fuel-heating type fuel injection apparatus for internal combustion engine
US2269084A (en) Internal combustion engine
JPH06193451A (ja) ２サイクルエンジン
JPS5840647B2 (ja) 内燃機関の吸気装置
US20090084337A1 (en) Inlet port design to improve scavenging in overhead valve two-stroke engine
JP3094215B2 (ja) エンジンの吸気装置
JP2513612Y2 (ja) 成層燃焼内燃エンジン
US2900968A (en) Internal combustion engine
GB190603061A (en) Improvements in Silencing and Cooling the Exhaust of Internal Combustion Engines and in Apparatus therefor
JP2702666B2 (ja) ２サイクルエンジン
JPH09250429A (ja) 燃料噴射供給式エンジン
JPS6014892Y2 (ja) 内燃機関における吸気装置
JPS5840263Y2 (ja) 内燃機関
JPS59702B2 (ja) 燃料噴射式内燃機関の吸気装置
JPS603942Y2 (ja) デイ−ゼル機関の空気供給装置
JPS6035534B2 (ja) 内燃機関の吸気装置
JPS5941295Y2 (ja) 多気筒内燃機関の吸気装置
JPH0648093Y2 (ja) エンジンのブローバイガス還流装置
JP2000274278A (ja) 筒内噴射式火花点火内燃機関

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees