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Patent Searching and Data


Title:
VARIABLE VALVE DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2019/188557
Kind Code:
A1
Abstract:
This variable valve device for an internal combustion engine is provided with: a variable mechanism that can be switched between a first state and a second state; and a fluid pressure control device for controlling the fluid pressure supplied to the variable mechanism. The fluid pressure control device is provided with a supply valve 12, a switching valve 13, and a control unit 100. When the variable mechanism is switched from the first state to the second state J2-2, the control unit switches from a state in which the supply valve is on and the switching valve is off to a state in which the supply valve is off and the switching valve is on.

Inventors:
TOKUMARU Takeshi (8, Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
Application Number:
JP2019/011363
Publication Date:
October 03, 2019
Filing Date:
March 19, 2019
Export Citation:
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Assignee:
ISUZU MOTORS LIMITED (6-26-1, Minami-oi Shinagawa-k, Tokyo 22, 〒1408722, JP)
International Classes:
F01L13/00; F01L1/18; F16K11/24
Foreign References:
JP2012047113A2012-03-08
JP2016145536A2016-08-12
JPH07150919A1995-06-13
JPS6419103A1989-01-23
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (The Stagio East 717, 19-31 Nishiaraisakaecho 1-chome, Adachi-k, Tokyo 43, 〒1230843, JP)
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