Title:
EXHAUST PIPE
Document Type and Number:
Japanese Patent JP2023046594
Kind Code:
A
Abstract:
To provide an exhaust pipe for preventing liquid which is directly injected into the exhaust pipe from adhering to a wall face of exhaust pipe.SOLUTION: In an exhaust pipe 10, a cylindrical pipe part 11 and an attachment part 12 protruding into the pipe part 11 at its tip part in a middle position of the pipe part 11, and forming a columnar shape protruding to the outside at its end part are formed into an integrated bifurcated shape, the attachment part 12 has an attachment hole 13 inserted with an injection valve 2 toward a tip part from an end, and a recess 14 which is recessed toward the end part from a tip, and in which a tip of the injection valve 2 is arranged at a bottom, an injection axis of B of the injection valve 2 acutely intersects with a pipe axis A of the pipe part 11, and liquid from the injection valve 2 is injected in a conical shape which is expanded in a diameter. The recess 14 is formed into a conical truncated shape whose apex angle is larger than the conical shape of the liquid, and an outermost-side outer end 14a of the recess 14 and an outer end 11a of the pipe part 11 serial from the recess 14 are formed into linear shapes.SELECTED DRAWING: Figure 2
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Inventors:
NAGASE TOMOHIRO
FUNAYAMA KAZUFUMI
FUNAYAMA KAZUFUMI
Application Number:
JP2021155276A
Publication Date:
April 05, 2023
Filing Date:
September 24, 2021
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F01N3/025; F01N3/18; F01N3/36; F01P3/16; F02M53/04; F02M61/14
Domestic Patent References:
| JP2011256851A | 2011-12-22 | |||
| JP2008138594A | 2008-06-19 | |||
| JP4248199B2 | 2009-04-02 |
Attorney, Agent or Firm:
Clear stream international patent attorney corporation
Daytime Takayoshi
Sakazawa Masao
Daytime Takayoshi
Sakazawa Masao