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Canadian application, no grantCanada

Intake air flow increasing device for combustion engine

CA 2066513 A1 · Owner: Michimasa, Sandou · Inventors: Michimasa, Sandou; Sandou, Michimasa

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In an intake air flow increasing device for a combustion engine according to this invention, an air exhausting body is provided forward of an air intake opening and the air, exhausting body is connected to a main compressed air conducting path and an auxiliary compressed air conducting path , while each of the compressed air conducting paths is connected to an air compressing mechanism via a main switching control valve and an auxiliary switching control valve respectively. The main switching control valve is opend and closed according to switching operations of a speed change mechanism when a vehicle is accelerated. The auxiliary switching control valve can work independently from …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed April 21, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 21, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 21, 1992
GrantedNo grant recorded
Term endedApril 21, 2012
Patent numberCA 2066513 A1
Classification (IPC)F02M35/10

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedApril 21, 1992Term endedApril 21, 2012

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.