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Title:
VALVE OPENING/CLOSING PERIOD CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/079963
Kind Code:
A1
Abstract:
Provided is a valve opening/closing period control device at which an oil pathway has been accurately formed at a low cost. The valve opening/closing period control device is provided with: an advance chamber and delay chamber formed by partitioning, by means of a partition section provided to the outer peripheral side of a driven-side rotating body, a fluid pressure chamber formed between a drive-side rotating body and the driven-side rotating body, which is disposed in a manner able to rotate relative to the inner peripheral surface of the drive-side rotating body; an advance duct that interconnects with the advance chamber; and a delay duct interconnected to the delay chamber. The driven-side rotating body is formed having: a tubular first member to which the partition section is provided; and a tubular second member provided on the same rotational axis center as the first member and having a portion overlapping the inside in at least the radial direction of the first member among the radial direction and axial direction of the first member. The advance duct and delay duct are formed penetrating the boundary section of the first member and second member after assembling the first member and second member.

Inventors:
KAJITA TOMOHIRO (JP)
NOGUCHI YUJI (JP)
ASAHI TAKEO (JP)
HAMASAKI HIROYUKI (JP)
IKEDA KENJI (JP)
IGUCHI YOSHIAKI (JP)
Application Number:
PCT/JP2014/080424
Publication Date:
June 04, 2015
Filing Date:
November 18, 2014
Export Citation:
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Assignee:
AISIN SEIKI (JP)
International Classes:
F01L1/356; F01L9/10
Domestic Patent References:
WO2014038267A12014-03-13
Foreign References:
JP2012057578A2012-03-22
JP2012172558A2012-09-10
JP2012172559A2012-09-10
JP2000161028A2000-06-13
Other References:
See also references of EP 3051081A4
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
Patent business corporation R&C (JP)
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