Title:
VEHICLE EXHAUST SYSTEM
Document Type and Number:
Japanese Patent JP2023133868
Kind Code:
A
Abstract:
To inhibit peeling of a fastening part between an outer pipe and an inner pipe in a vehicle exhaust system having an exhaust pipe part in which the outer pipe is provided at an outer periphery of a part of the inner pipe.SOLUTION: An exhaust system mounted on a vehicle includes: an inner pipe 30 in which exhaust gas from an internal combustion engine flows; and an outer pipe 40a provided at an outer periphery of a part of the inner pipe 30. One end 52 of the outer pipe 40a is formed to have a diameter smaller than that of other portions of the outer pipe 40a and fastened to an outer peripheral surface of the inner pipe 30. A region, ranging from an other end 54 to an area before the one end 52, of the outer pipe 40a is a free region 50 unattached to the outer peripheral surface of the inner pipe 30.SELECTED DRAWING: Figure 3
Inventors:
UTSUNOMIYA KEIJI
Application Number:
JP2022039105A
Publication Date:
September 27, 2023
Filing Date:
March 14, 2022
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F01N13/08; B60K1/04
Attorney, Agent or Firm:
Patent Attorney Corporation YKI International Patent Office
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