BRPI0409774A - atuador de válvula programável de alta velocidade - Google Patents

atuador de válvula programável de alta velocidade

Info

Publication number
BRPI0409774A
BRPI0409774A BRPI0409774-2A BRPI0409774A BRPI0409774A BR PI0409774 A BRPI0409774 A BR PI0409774A BR PI0409774 A BRPI0409774 A BR PI0409774A BR PI0409774 A BRPI0409774 A BR PI0409774A
Authority
BR
Brazil
Prior art keywords
rotor
actuator
movement
rest
rest position
Prior art date
Application number
BRPI0409774-2A
Other languages
English (en)
Inventor
Wladyslaw Wygnanski
Graham Paul Ford
Original Assignee
Camcon Ltd
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 GB0309512A external-priority patent/GB0309512D0/en
Priority claimed from GB0329201A external-priority patent/GB0329201D0/en
Application filed by Camcon Ltd filed Critical Camcon Ltd
Publication of BRPI0409774A publication Critical patent/BRPI0409774A/pt
Publication of BRPI0409774B1 publication Critical patent/BRPI0409774B1/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/18Rocking arms or levers
    • F01L1/185Overhead end-pivot rocking arms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/30Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20Valve-gear or valve arrangements actuated non-mechanically by electric means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00Using particular materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F01L9/22Valve-gear or valve arrangements actuated non-mechanically by electric means actuated by rotary motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

"ATUADOR DE VáLVULA PROGRAMáVEL DE ALTA VELOCIDADE". A presente invenção refere-se a um atuador eletromagnético no qual um rotor é girável em um estator que é magnetizável fazendo com que uma corrente elétrica flua através de pelo menos um enrolamento associado com o estator. O rotor apresenta pelo menos duas posições de descanso estáveis, cada qual definida por uma combinação de forças de mola e magnéticas que atuam no rotor. Um meio de mola armazena energia durante parte do movimento do rotor e confere energia cinética para acelerar o rotor durante o subseqüente movimento do mesmo. Um torque magnético será exercido sobre o rotor, quando uma corrente fluir em pelo menos um enrolamento que é suficiente para superar a força magnética que detém o rotor em uma posição de descanso, para fazer com que o rotor gire pelo menos sob a influência da força de mola armazenada em uma direção a partir dessa posição de descanso na direção da outra posição de descanso. O rotor é conectado a um membro de empuxo por uma articulação mecanica através da qual o movimento rotacional do rotor é convertido em movimento substancialmente linear. A articulação apresenta uma vantagem mecânica que varia em uma maneira predeterminada durante a rotação do rotor. Em uma concretização, o rotor pode girar através de 360<198> e girar continuamente. Em outra concretização, o rotor apresenta apenas duas posições de descanso estáveis e uma primeira mola armazena energia durante o movimento do rotor na direção de uma posição de descanso, e uma segunda mola armazena energia, à medida que o rotor gira na direção de sua outra posição de descanso. A primeira mola supre energia cinética para acelerar o rotor longe dessa posição de descanso na direção da outra posição de descanso. A segunda mola supre energia cinética para prover uma força de aceleração, à medida que ela se move longe de outra dita posição de descanso de volta para sua primeira posição de descanso. O perfil de vantagem mecânica é tal que, perto de uma posição de descanso, o movimento angular do rotor não resulte em substancialmente nenhum movimento linear do membro de empuxo. Isto é alcançado por uma conexão de movimento perdido entre o rotor e o membro de empuxo no qual o movimento perdido é assumido durante parte da rotação do rotor. O atuador poderá ser usado para abrir e fechar uma válvula de um motor de combustão interna, quando suprido com correntes de um sistema central que opera em conjunção com parte ou que faz parte de um sistema de controle do motor.
BRPI0409774-2A 2003-04-26 2004-04-26 Electromagnetic actuator, combination of valve and actuator and internal combustion engine BRPI0409774B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0309512A GB0309512D0 (en) 2003-04-26 2003-04-26 Improved magnetic actuator
GB0309512.2 2003-04-26
GB0329201A GB0329201D0 (en) 2003-12-17 2003-12-17 Programmable high speed valve actuator
GB0329201.8 2003-12-17
PCT/GB2004/001762 WO2004097184A1 (en) 2003-04-26 2004-04-26 Electromagnetic valve actuator

Publications (2)

Publication Number Publication Date
BRPI0409774A true BRPI0409774A (pt) 2006-05-30
BRPI0409774B1 BRPI0409774B1 (pt) 2017-07-18

Family

ID=32395898

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409774-2A BRPI0409774B1 (pt) 2003-04-26 2004-04-26 Electromagnetic actuator, combination of valve and actuator and internal combustion engine

Country Status (14)

Country Link
US (1) US7588002B2 (pt)
EP (1) EP1618292B1 (pt)
JP (1) JP4575916B2 (pt)
KR (1) KR100944292B1 (pt)
CN (1) CN100507222C (pt)
AT (1) ATE458129T1 (pt)
AU (1) AU2004234596B2 (pt)
BR (1) BRPI0409774B1 (pt)
CA (1) CA2523103C (pt)
DE (1) DE602004025560D1 (pt)
GB (1) GB2401649B (pt)
MX (1) MXPA05011345A (pt)
RU (1) RU2005136876A (pt)
WO (1) WO2004097184A1 (pt)

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Also Published As

Publication number Publication date
AU2004234596B2 (en) 2010-10-28
CN100507222C (zh) 2009-07-01
JP4575916B2 (ja) 2010-11-04
US7588002B2 (en) 2009-09-15
MXPA05011345A (es) 2006-03-08
AU2004234596A1 (en) 2004-11-11
JP2006524775A (ja) 2006-11-02
GB0409184D0 (en) 2004-05-26
KR100944292B1 (ko) 2010-02-24
CA2523103C (en) 2010-10-26
DE602004025560D1 (de) 2010-04-01
EP1618292A1 (en) 2006-01-25
CN1780973A (zh) 2006-05-31
BRPI0409774B1 (pt) 2017-07-18
EP1618292B1 (en) 2010-02-17
WO2004097184A1 (en) 2004-11-11
GB2401649A (en) 2004-11-17
KR20060008922A (ko) 2006-01-27
CA2523103A1 (en) 2004-11-11
RU2005136876A (ru) 2006-06-10
ATE458129T1 (de) 2010-03-15
US20080035870A1 (en) 2008-02-14
GB2401649B (en) 2005-11-09

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Legal Events

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B25D Requested change of name of applicant approved

Owner name: CAMCON OIL LIMITED (GB)

Free format text: NOME ALTERADO DE: CAMCON LTD.

B25A Requested transfer of rights approved

Owner name: CAMCON AUTO LIMITED (GB)

Free format text: TRANSFERIDO DE: CAMCON OIL LIMITED

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
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

Free format text: REFERENTE A 18A ANUIDADE.

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

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2668 DE 22-02-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.