Title:
Variable suction system
Document Type and Number:
Japanese Patent JP6179189
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a variable intake device in which hermetic sealability when bringing an intake passage into a closed state can be improved.SOLUTION: An intake manifold (the variable intake device) 100 includes an intake control valve 6 including a valve element 62 formed to extend from a shaft part 61 arranged in the intake passage of an intake pipe part 2, a stopper part 7 formed to be recessed from a root portion 7c of an inner wall face 21a of a first port 21 of the intake pipe part 2 toward an outer wall, a seal lip 8 provided in the stopper part 7 in such a way that the intake passage is brought into the closed state when the valve element 62 abut on the seal lip, and a protruded part 71 provided on the root portion 7c at the gravity-vertical-direction upper side (the side in the direction of an arrowhead X1) of the inner wall face 21a of the intake pipe part 2 while being protruded toward the gravity-vertical-direction lower side (the side in the direction of an arrowhead X2).
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Inventors:
Kazunobu Yamamoto
Application Number:
JP2013109121A
Publication Date:
August 16, 2017
Filing Date:
May 23, 2013
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02B27/02; F02M35/10; F02M35/104; F16J15/10
Domestic Patent References:
| JP2011064138A | ||||
| JP7113472A | ||||
| JP2010261359A | ||||
| JP2011064139A | ||||
| JP2008298055A |
Foreign References:
| EP1498589A2 | ||||
| DE19614474A1 |
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office
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