BR9714420A - Roda dentada para corrente de rolete de engatamento aleatório com engrazamento escalonado e livramento de flanco, a fim de proporcionar caracterìsticas de ruìdo aperfeiçoadas - Google Patents

Roda dentada para corrente de rolete de engatamento aleatório com engrazamento escalonado e livramento de flanco, a fim de proporcionar caracterìsticas de ruìdo aperfeiçoadas

Info

Publication number
BR9714420A
BR9714420A BR9714420-7A BR9714420A BR9714420A BR 9714420 A BR9714420 A BR 9714420A BR 9714420 A BR9714420 A BR 9714420A BR 9714420 A BR9714420 A BR 9714420A
Authority
BR
Brazil
Prior art keywords
gear
sprocket
flank
roller
improved noise
Prior art date
Application number
BR9714420-7A
Other languages
English (en)
Inventor
James D Young
Original Assignee
Cloyes Gear & Products Inc
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 Cloyes Gear & Products Inc filed Critical Cloyes Gear & Products Inc
Publication of BR9714420A publication Critical patent/BR9714420A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H2055/086—Silent gear profiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

Patente de Invenção: <B>"RODA DENTADA PARA CORRENTE DE ROLETE DE ENGATAMENTO ALEATóRIO COM ENGRANZAMENTO ESCALONADO E LIVRAMENTO DE FLANCO, A FIM DE PROPORCIONAR CARACTERìSTICAS DE RUìDO APERFEIçOADAS''<D>. Roda dentada de corrente de roletes de engrenamento aleatório para uso, principalmente, em aplicações de acionamento por corrente de motores de automóveis, a qual incorpora diferentes perfis de dentes assimétricos para redução aperfeiçoada de ruído. Em particular, a roda dentada inclui uma primeira pluralidade de dentes de roda dentada, cada um tendo um primeiro perfil de dente, incluindo um primeiro flanco de engrenamento, uma primeira raiz de engrenamento e uma primeira superfície plana, posicionada entre o primeiro flanco de engrenamento e a primeira raiz de engrenamento, em que um primeiro rolete, inicialmente, contata a primeira superfície plana no começo do engranzamento do primeiro rolete com a roda dentada. A roda dentada também inclui uma segunda pluralidade de dentes de roda dentada, cada um tendo um segundo perfil de dente, diferente do primeiro perfil de dente e incluindo um segundo flanco de engrenamento, uma segunda raiz de engrenamento e uma segunda superfície plana tangente à segunda raiz de engrenamento, afastado do segundo flanco de engrenamento e em que um segundo rolete, inicialmente, contata a segunda superfície plana no começo do engranzamento entre o segundo rolete e a roda dentada.
BR9714420-7A 1996-12-19 1997-12-18 Roda dentada para corrente de rolete de engatamento aleatório com engrazamento escalonado e livramento de flanco, a fim de proporcionar caracterìsticas de ruìdo aperfeiçoadas BR9714420A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3237996P 1996-12-19 1996-12-19
US08/992,306 US5921879A (en) 1996-07-25 1997-12-17 Random engagement roller chain sprocket with staged meshing and flank relief to provide improved noise characteristics
PCT/US1997/023429 WO1998029673A2 (en) 1996-12-19 1997-12-18 Random engagement roller chain sprocket

Publications (1)

Publication Number Publication Date
BR9714420A true BR9714420A (pt) 2000-08-08

Family

ID=26708342

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9714420-7A BR9714420A (pt) 1996-12-19 1997-12-18 Roda dentada para corrente de rolete de engatamento aleatório com engrazamento escalonado e livramento de flanco, a fim de proporcionar caracterìsticas de ruìdo aperfeiçoadas

Country Status (7)

Country Link
US (2) US5921879A (pt)
EP (1) EP0944787B1 (pt)
JP (1) JP4047933B2 (pt)
BR (1) BR9714420A (pt)
CA (1) CA2275656C (pt)
DE (1) DE69722439T2 (pt)
WO (1) WO1998029673A2 (pt)

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Also Published As

Publication number Publication date
DE69722439D1 (de) 2003-07-03
JP4047933B2 (ja) 2008-02-13
EP0944787A2 (en) 1999-09-29
WO1998029673A3 (en) 1998-09-11
DE69722439T2 (de) 2004-04-01
EP0944787A4 (en) 2001-11-14
WO1998029673A2 (en) 1998-07-09
CA2275656C (en) 2006-01-17
CA2275656A1 (en) 1998-07-09
US6325734B1 (en) 2001-12-04
US5921879A (en) 1999-07-13
EP0944787B1 (en) 2003-05-28
JP2002515108A (ja) 2002-05-21

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)