BR0303494A - Sistema de controle de emissões para motores de combustão interna pequenos - Google Patents

Sistema de controle de emissões para motores de combustão interna pequenos

Info

Publication number
BR0303494A
BR0303494A BR0303494-1A BR0303494A BR0303494A BR 0303494 A BR0303494 A BR 0303494A BR 0303494 A BR0303494 A BR 0303494A BR 0303494 A BR0303494 A BR 0303494A
Authority
BR
Brazil
Prior art keywords
fuel
carburetor
fuel tank
line
control system
Prior art date
Application number
BR0303494-1A
Other languages
English (en)
Inventor
Gordon E Rado
David R Brower
Dennis N Stenz
Original Assignee
Tecumseh Products Co
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 Tecumseh Products Co filed Critical Tecumseh Products Co
Publication of BR0303494A publication Critical patent/BR0303494A/pt

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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0023—Valves in the fuel supply and return system
    • 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
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/34—Other carburettors combined or associated with other apparatus, e.g. air filters
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/44—Carburettors characterised by draught direction and not otherwise provided for, e.g. for model aeroplanes
    • F02M17/48—Carburettors characterised by draught direction and not otherwise provided for, e.g. for model aeroplanes with up- draught and float draught, e.g. for lawnmower and chain saw motors
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1808—Number of cylinders two
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

"SISTEMA DE CONTROLE DE EMISSõES PARA MOTORES DE COMBUSTãO INTERNA PEQUENOS". A presente invenção refere-se a um sistema de controle de emissões evaporativas para motores de combustão interna pequenos que inclui uma válvula de controle associada com uma linha de combustível e com uma linha de ventilação que conectam, cada uma, o tanque de combustível ao carburador. Quando o motor não está funcionando, a válvula de controle automaticamente fecha a linha de ventilação e a linha de combustível, assim, prendendo os vapores de combustível dentro do tanque de combustível e da linha de ventilação, impedindo o abastecimento de combustível líquido para o carburador. Com a partida do motor, a atuação de um conjunto de esgotamento ou vácuo produzido dentro do carburador faz com que a válvula de controle abra a linha de ventilação e a linha de combustível, ventilando vapores de combustível do tanque de combustível através da linha de combustível para o carburador para consumo pelo motor, e abrindo o abastecimento de combustível líquido do tanque de combustível para o carburador. Também, o presente sistema de controle de emissões evaporativas pode ser usado em conjunto com um ou mais conjuntos de vedação e ventilação de tanque de combustível, que impedem o escapamento de vapores de combustível do tanque de combustível para a atmosfera, que ainda permitem a troca de fluido de maneira fechada entre o tanque de combustível e o carburador.
BR0303494-1A 2002-09-10 2003-09-10 Sistema de controle de emissões para motores de combustão interna pequenos BR0303494A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40948502P 2002-09-10 2002-09-10

Publications (1)

Publication Number Publication Date
BR0303494A true BR0303494A (pt) 2004-09-08

Family

ID=31946972

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0303494-1A BR0303494A (pt) 2002-09-10 2003-09-10 Sistema de controle de emissões para motores de combustão interna pequenos

Country Status (5)

Country Link
US (2) US7131430B2 (pt)
EP (1) EP1400686A1 (pt)
AU (1) AU2003244610A1 (pt)
BR (1) BR0303494A (pt)
CA (1) CA2440565C (pt)

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* Cited by examiner, † Cited by third party
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US7131430B2 (en) * 2002-09-10 2006-11-07 Tecumseh Products Company Emissions control system for small internal combustion engines
US7165536B2 (en) * 2004-06-14 2007-01-23 Tecumseh Products Company Evaporative emissions control system for small internal combustion engines
US20070017918A1 (en) 2005-07-20 2007-01-25 Kirk J D Fuel tank venting arrangement
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US20080053413A1 (en) * 2006-08-31 2008-03-06 Tecumseh Products Company Sealed fuel tank evaporative emissions control system for small internal combustion engines
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US7556025B2 (en) * 2007-02-20 2009-07-07 Kohler Co. Evaporative emission control apparatus and method
US7909024B2 (en) * 2007-11-29 2011-03-22 Martinrea International Inc. Hydrocarbon fuel vapour filter system
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US8408183B2 (en) * 2008-04-22 2013-04-02 Briggs & Stratton Corporation Ignition and fuel shutoff for engine
US8931459B2 (en) * 2009-12-23 2015-01-13 Kohler Co. System and method for controlling evaporative emissions
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US12085216B2 (en) 2022-02-17 2024-09-10 Arctic Cat Inc. Multi-use fuel filler tube

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Also Published As

Publication number Publication date
EP1400686A1 (en) 2004-03-24
AU2003244610A1 (en) 2004-03-25
US7131430B2 (en) 2006-11-07
US20040123846A1 (en) 2004-07-01
CA2440565C (en) 2007-01-09
CA2440565A1 (en) 2004-03-10
US20070079814A1 (en) 2007-04-12

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A E 6A ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2042 DE 23/02/2010.