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Patent Searching and Data


Title:
EXHAUST GAS RE-CIRCULATION DEVICE FOR ENGINE
Document Type and Number:
Japanese Patent JPH07197862
Kind Code:
A
Abstract:

PURPOSE: To reduce the number of parts and the number of processing works by a method wherein a hole part is formed in the mounting surface for an EGR valve of a surge tank and when an EGR pipe is inserted in the hole part, a spool part is pressed in a large-sized part and after insertion of the EGR pipe, an EGR valve is mounted.

CONSTITUTION: A hole part 16 communicated with the interior of a surge tank 6 is formed in the mounting surface 14 of a surge tank 6 and a large-sized part is formed at the portion on the mounting surface 14 side of the hole part 16. A spool part 20 having a large diameter is formed by applying spool processing on the middle of an EGR pipe 10. When the EGR pipe 10 is inserted in the hole part 16, the end part of the EGR pipe 10 is positioned approximately flush with the mounting part 14 in a way that the spool part 20 is pressed in a large-sized part. After insertion of the EGR pipe 10, an EGR valve 12 is assembled on the mounting surface 14 through a seal gasket 24 by utilizing the EGR pipe 10 after insertion of the EGR pipe 10 and fixed through fastening by a plurality of fixing bolts.


Inventors:
WADA MANABU
Application Number:
JP35412493A
Publication Date:
August 01, 1995
Filing Date:
December 29, 1993
Export Citation:
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Assignee:
SUZUKI MOTOR CO
International Classes:
F02M35/10; F02M25/07; (IPC1-7): F02M25/07; F02M35/10
Attorney, Agent or Firm:
西郷 義美