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Expired Canadian patentCanada

V-type multiple cylinder engine

CA 1307710 C · Owner: Suzuki Jidosha Kogyo Kabushiki Kaisha · Inventors: Ishida, Tokuji

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An intake apparatus for a V-type multiple cylinder engine in which cylinder rows are arranged as a pair and intake ports are disposed to face each other on an inside thereof. The intake apparatus comprises an intake manifold having a collecting section in substantially the central portion of a V-shape arrangement and branches each extending radially from the collecting section. An annular whirling chamber is mounted on the collecting section of the intake manifold and the whirling chamber is provided at the inner peripheral portion with an annular slit in communication with the collecting section. The degree of opening of the slit can be controlled by locating a regulating member such as …

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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

  • Granted September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1988
GrantedSeptember 22, 1992
Term endedSeptember 22, 2009
Patent numberCA 1307710 C
Classification (IPC)F02M35/10 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMay 27, 1988Patent grantedSep 22, 1992Term endedSep 22, 2009

Sources & verification

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