Title:
INTERNAL COMBUSTION ENGINE SOUND ISOLATION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2007/077956
Kind Code:
A1
Abstract:
Provided is a sound isolation structure of an internal combustion engine capable
of preventing propagation of a sound generated by an injector. The internal combustion
engine sound isolation structure includes: a V-shaped cylinder block (101)
having a right bank (1011) and a left bank (1012); a right bank air intake pipe (21)
for supplying gas to the right bank (1011); a left bank air intake pipe (24) for
supplying gas to the left bank (1012) and intersecting the right bank air intake
pipe (21); in-cylinder injection injectors (11, 12) arranged in a surrounded
space (29) surrounded by the right and the left bank and the intake pipe; and a sound
isolation member (200) arranged in the surrounded space (29) between the in-cylinder
injection injectors (11, 12) and the intersecting region (28).
Inventors:
FUKAMI KASHIROU (JP)
KAWAGUCHI KOUJI (JP)
KAWAGUCHI KOUJI (JP)
Application Number:
PCT/JP2006/326356
Publication Date:
July 12, 2007
Filing Date:
December 26, 2006
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
FUKAMI KASHIROU (JP)
KAWAGUCHI KOUJI (JP)
FUKAMI KASHIROU (JP)
KAWAGUCHI KOUJI (JP)
International Classes:
F02B77/13; F02B75/22; F02B77/11; F02M61/16
Foreign References:
| JPH0417164U | 1992-02-13 | |||
| JPH0430233U | 1992-03-11 | |||
| JP2001317436A | 2001-11-16 | |||
| JPH10141087A | 1998-05-26 | |||
| JPH0583338U | 1993-11-12 | |||
| JPS5229545A | 1977-03-05 |
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Nakanoshima Central Tower 22nd Floor, 2-7, Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka 05, JP)
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