Title:
HYDRAULIC CONTROL VALVE, AND VALVE TIMING CONTROLLER OF INTERNAL COMBUSTION ENGINE USING THE SAME
Document Type and Number:
Japanese Patent JP2018105308
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hydraulic control valve capable of simplifying control and downsizing a device, and a valve timing controller using the hydraulic control valve.SOLUTION: A hydraulic control valve includes: a hollow valve body 61 on which a plurality of ports are formed in a penetrated manner, the ports configured to circulate hydraulic oil in a radial direction of a peripheral wall; a first spool valve 65 provided inside the valve body 61 so as to be movable in an axis direction, and configured to switch the communication state of hydraulic oil to the plurality of ports according to a movement position; and a second spool valve 63 arranged coaxially with the first spool valve 65, and configured to move in the axis direction inside the valve body 61 in association with the first spool valve 65, according to the movement position in the axis direction of the first spool valve 65, and then switch the communication state of hydraulic oil to the plurality of ports.SELECTED DRAWING: Figure 1
Inventors:
TAKADA YASUHIDE
Application Number:
JP2015089910A
Publication Date:
July 05, 2018
Filing Date:
April 27, 2015
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F16K11/07; F01L1/356
Attorney, Agent or Firm:
Hiromichi Kobayashi
Tomioka Kiyoshi
Tomioka Kiyoshi