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Patent Searching and Data


Title:
VALVE TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2019/097970
Kind Code:
A1
Abstract:
A holder plate 8 fixed to a timing sprocket 1 is provided with a stopper protrusion 8b. An adapter 11 fixed to a driven member 9: is obtained by forming a metal plate material into an isosceles triangle shape; has, at the center, a bottomed cylindrical fixing part 11a; has a first projection 45 and second projection 46, both projecting radially outward from the rotational axial center P of said fixing part so as to constitute circumferentially bilateral parts of a stopper groove 11b into which the stopper protrusion is to be slotted; has a third projection 47 that is disposed at a position radially opposite to the stopper groove across the fixing part 11a so as to project radially outward from the rotational axial center of the fixing part; and further has a first recessed part 48 and a second recessed part 49 on respective lateral sides. This configuration enables reduction in weight while achieving a favorable weight balance for the adapter.

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Inventors:
WATANABE TAKESHI (JP)
Application Number:
PCT/JP2018/039581
Publication Date:
May 23, 2019
Filing Date:
October 25, 2018
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F01L1/344
Foreign References:
JP2017166430A2017-09-21
DE102011089046A12013-06-20
JP2012237203A2012-12-06
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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