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ATE449247T1 - System für einen zweitakt-verbrennungsmotor mit gesteuerter zusatzluft - Google Patents

System für einen zweitakt-verbrennungsmotor mit gesteuerter zusatzluft

Info

Publication number
ATE449247T1
ATE449247T1 AT04748993T AT04748993T ATE449247T1 AT E449247 T1 ATE449247 T1 AT E449247T1 AT 04748993 T AT04748993 T AT 04748993T AT 04748993 T AT04748993 T AT 04748993T AT E449247 T1 ATE449247 T1 AT E449247T1
Authority
AT
Austria
Prior art keywords
air
additional air
valve
combustion engine
opening state
Prior art date
Application number
AT04748993T
Other languages
English (en)
Inventor
Mikael Holmdahl
Original Assignee
Husqvarna Ab
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 Husqvarna Ab filed Critical Husqvarna Ab
Application granted granted Critical
Publication of ATE449247T1 publication Critical patent/ATE449247T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • 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
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • F02B25/22—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18 by forming air cushion between charge and combustion residues
    • 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
    • F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
    • F02B33/446—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs having valves for admission of atmospheric air to engine, e.g. at starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/12—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having slidably-mounted valve members; having valve members movable longitudinally of conduit
    • F02D9/16—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having slidably-mounted valve members; having valve members movable longitudinally of conduit the members being rotatable
    • 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)
  • Means For Warming Up And Starting Carburetors (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
AT04748993T 2004-06-15 2004-06-15 System für einen zweitakt-verbrennungsmotor mit gesteuerter zusatzluft ATE449247T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2004/000935 WO2005124138A1 (en) 2004-06-15 2004-06-15 System for a two-stroke combustion engine with controlled additional air

Publications (1)

Publication Number Publication Date
ATE449247T1 true ATE449247T1 (de) 2009-12-15

Family

ID=35509737

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04748993T ATE449247T1 (de) 2004-06-15 2004-06-15 System für einen zweitakt-verbrennungsmotor mit gesteuerter zusatzluft

Country Status (7)

Country Link
US (1) US7503292B2 (de)
EP (1) EP1766221B1 (de)
CN (1) CN1993544B (de)
AT (1) ATE449247T1 (de)
DE (1) DE602004024251D1 (de)
ES (1) ES2334234T3 (de)
WO (2) WO2005124138A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7389754B2 (en) * 2004-06-15 2008-06-24 Husqvarna Ab System for a two-stroke crankcase scavenged combustion engine
JP2006170207A (ja) 2004-12-14 2006-06-29 Andreas Stihl Ag & Co Kg ２サイクルエンジン
EP1892406B1 (de) * 2006-08-17 2011-11-23 Walbro Engine Management, L.L.C. Vergaser mit geschichteter Spülung
US7854216B2 (en) * 2008-04-25 2010-12-21 Honda Motor Co., Ltd. General purpose internal combustion engine
DE102010009915B4 (de) * 2009-03-21 2017-09-14 Andreas Stihl Ag & Co. Kg Vergaseranordnung
DE102009014347B4 (de) * 2009-03-21 2018-01-04 Andreas Stihl Ag & Co. Kg Vergaseranordnung
DE102012203156B4 (de) * 2012-02-29 2014-01-09 Continental Automotive Gmbh Mischventil einer Brennkraftmaschine
CN105358815B (zh) * 2013-07-04 2017-09-08 胡斯华纳有限公司 汽化器组件和具有该汽化器组件的手持式动力工具
JP6763921B2 (ja) * 2018-09-07 2020-09-30 本田技研工業株式会社 エンジン

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075985A (en) * 1975-06-20 1978-02-28 Yamaha Hatsudoki Kabushiki Kaisha Two cycle internal combustion engines
CN1038143A (zh) * 1988-06-01 1989-12-20 陈光星 汽油发动机二次混和化油器
US6000683A (en) * 1997-11-26 1999-12-14 Walbro Corporation Carburetor throttle and choke control mechanism
JP3153520B2 (ja) * 1998-10-30 2001-04-09 小松ゼノア株式会社 層状掃気２サイクルエンジン
JP2000282874A (ja) * 1999-03-29 2000-10-10 Nippon Walbro:Kk 絞り弁と空気弁を備えた２行程内燃機関用気化器
DE19918719B4 (de) * 1999-04-24 2010-04-08 Andreas Stihl Ag & Co. Membranvergaser für einen mit Schichtspülung arbeitenden Zweitaktmotor
SE0000095L (sv) * 2000-01-14 2001-07-15 Electrolux Ab Spjäll för reglering av tillsatsluft till tvåtakts förbränningsmotorer
US6769396B2 (en) * 2002-05-15 2004-08-03 Andreas Stihl Ag & Co. Kg Diaphragm carburetor
EP1540165B1 (de) * 2002-07-02 2010-03-03 Husqvarna AB VENTIL ZUR STEUERUNG VON ZUSATZLUFT FüR EINEN ZWEITAKTMOTOR
US6928996B2 (en) * 2002-07-03 2005-08-16 Walbro Japan, Inc. Stratified scavenging mechanism of a two-stroke engine
US6708958B1 (en) * 2002-10-04 2004-03-23 Electrolux Home Products, Inc. Air valve mechanism for two-cycle engine
JP2004176634A (ja) * 2002-11-27 2004-06-24 Walbro Japan Inc 層状掃気用気化器
US7104526B2 (en) * 2003-06-10 2006-09-12 Homelite Technologies, Ltd. Carburetor with intermediate throttle valve blocking position
JP4061252B2 (ja) * 2003-08-11 2008-03-12 ザマ・ジャパン株式会社 ２サイクルエンジン用気化器
US7389754B2 (en) * 2004-06-15 2008-06-24 Husqvarna Ab System for a two-stroke crankcase scavenged combustion engine
US7104253B1 (en) * 2005-03-30 2006-09-12 Walbro Engine Management, L.L.C. Stratified scavenging carburetor

Also Published As

Publication number Publication date
DE602004024251D1 (de) 2009-12-31
EP1766221A1 (de) 2007-03-28
WO2005124120A1 (en) 2005-12-29
WO2005124138A1 (en) 2005-12-29
CN1993544B (zh) 2010-04-28
CN1993544A (zh) 2007-07-04
US20070181084A1 (en) 2007-08-09
EP1766221B1 (de) 2009-11-18
ES2334234T3 (es) 2010-03-08
US7503292B2 (en) 2009-03-17

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties