GB2404950B - Induction device - Google Patents

Induction device

Info

Publication number
GB2404950B
GB2404950B GB0420779A GB0420779A GB2404950B GB 2404950 B GB2404950 B GB 2404950B GB 0420779 A GB0420779 A GB 0420779A GB 0420779 A GB0420779 A GB 0420779A GB 2404950 B GB2404950 B GB 2404950B
Authority
GB
United Kingdom
Prior art keywords
induction device
induction
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 - Lifetime
Application number
GB0420779A
Other versions
GB2404950A (en
GB0420779D0 (en
Inventor
Reinhard Gerhardy
Klaus Geyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andreas Stihl AG and Co KG
Original Assignee
Andreas Stihl AG and Co KG
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
Priority claimed from DE10326488A external-priority patent/DE10326488A1/en
Application filed by Andreas Stihl AG and Co KG filed Critical Andreas Stihl AG and Co KG
Priority claimed from GB0320982A external-priority patent/GB2394255B/en
Publication of GB0420779D0 publication Critical patent/GB0420779D0/en
Publication of GB2404950A publication Critical patent/GB2404950A/en
Application granted granted Critical
Publication of GB2404950B publication Critical patent/GB2404950B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035Details of the valve housing
    • F02D9/104Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing
    • F02D9/1045Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing for sealing of the flow in closed flap position, e.g. the housing forming a valve seat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20Means 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
    • F02B25/22Means 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201Arrangements; Control features; Details thereof
    • F02D2009/0272Two or more throttles disposed in series

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
GB0420779A 2002-09-18 2003-09-08 Induction device Expired - Lifetime GB2404950B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10243166 2002-09-18
DE10326488A DE10326488A1 (en) 2002-09-18 2003-06-10 suction
GB0320982A GB2394255B (en) 2002-09-18 2003-09-08 Induction device

Publications (3)

Publication Number Publication Date
GB0420779D0 GB0420779D0 (en) 2004-10-20
GB2404950A GB2404950A (en) 2005-02-16
GB2404950B true GB2404950B (en) 2005-04-13

Family

ID=34084084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0420779A Expired - Lifetime GB2404950B (en) 2002-09-18 2003-09-08 Induction device

Country Status (1)

Country Link
GB (1) GB2404950B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0517236D0 (en) * 2005-08-23 2005-09-28 Ricardo Uk Ltd A split carburettor with offset throttle plate
GB0614559D0 (en) * 2006-07-21 2006-08-30 Ricardo Uk Ltd Carburettors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221545A2 (en) * 1998-05-11 2002-07-10 Ricardo Consulting Engineers Limited Carburettors for two-stroke engines
WO2002092978A1 (en) * 2001-05-11 2002-11-21 Aktiebolaget Electrolux Crankcase scavenged internal combustion engine
GB2384822A (en) * 2001-12-10 2003-08-06 Stihl Maschf Andreas Two-stroke engine with forward scavenging air positioning and single-flow carburettor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221545A2 (en) * 1998-05-11 2002-07-10 Ricardo Consulting Engineers Limited Carburettors for two-stroke engines
WO2002092978A1 (en) * 2001-05-11 2002-11-21 Aktiebolaget Electrolux Crankcase scavenged internal combustion engine
GB2384822A (en) * 2001-12-10 2003-08-06 Stihl Maschf Andreas Two-stroke engine with forward scavenging air positioning and single-flow carburettor

Also Published As

Publication number Publication date
GB2404950A (en) 2005-02-16
GB0420779D0 (en) 2004-10-20

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20230907