Title:
OIL RETURN PASSAGE FOR ENGINE
Document Type and Number:
Japanese Patent JP2010270682
Kind Code:
A
Abstract:
To control a passage for passing oil while suppressing an increase of cost and a loading space.
The oil return passage 65 passing oil lubricating sliding parts of the engine 1 through a cylinder 3 and a cylinder block 2 and sending it down to an oil pan includes a main passage 651 including a large diameter part 651a at an upstream side and a small diameter part 651b at a downstream side, and a branch passage 652 branched off from the large diameter part 651a and passing through a portion with a diameter larger than the small diameter 651b and raised higher in temperature than that of the small diameter part 651b.
Inventors:
IWAHASHI RIYAKO
MORI KOICHI
NAGAI HIROYUKI
ARAI TAKAHISA
TAMURA KENICHI
MORI KOICHI
NAGAI HIROYUKI
ARAI TAKAHISA
TAMURA KENICHI
Application Number:
JP2009123425A
Publication Date:
December 02, 2010
Filing Date:
May 21, 2009
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
F01M1/06
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Yasunari Mita
Masaaki Iida
Masahiro Fujii
Yasunari Mita
Masaaki Iida
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