Title:
VALVE TIMING ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/084763
Kind Code:
A1
Abstract:
An OCV (10) provided in a valve timing adjustment device is equipped with: a center bolt (11) which coaxially secures a rotor (52) to a camshaft (53), and has a supply port (22) which is connected to an oil supply source, an advanced ignition port (23) which is connected to an advanced ignition oil pressure chamber (71), and a delayed ignition port (24) which is connected to a delayed ignition oil pressure chamber (72); and a spool (12) which moves back and forth inside the center bolt (11) in the axial direction thereof, and according to stroke volume, supplies and discharges oil through the supply port (22), the advanced ignition port (23) and the delayed ignition port (24).
Inventors:
MATSUMOTO TAKUHIRO (JP)
Application Number:
PCT/JP2018/039868
Publication Date:
April 30, 2020
Filing Date:
October 26, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F01L1/356; F02D13/02
Domestic Patent References:
| WO2017159159A1 | 2017-09-21 | |||
| WO2001066915A2 | 2001-09-13 |
Foreign References:
| JP2012219639A | 2012-11-12 | |||
| JP2015124621A | 2015-07-06 |
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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