A muffler comprises an outer shell, an outlet pipe, and a restraining mechanism. A restraining mechanism restrains a height of spout of a liquid that flows inside the outlet pipe through a designated vent hole, the designated vent hole is at least one vent hole facing against a bottom surface of the outer shell among the at least one vent hole that the outlet pipe comprises.

Claims

6 · 1 independent · depth 3

6 granted claims

›1.independentA muffler comprising:nan outer shell configured to receive exhaust gases from an internal combustion engine;an outlet pipe formed into a tubular shape…+5

Classifications

6 codes

IPC · International Patent Classification

Section F — Mechanical engineering; lighting; heating; weapons

F01N3/00
F01N1/16
F01N3/05
F01N13/08
F01N13/04
F01N1/08

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Pendency

3.0 y

1,084 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Forrest M Phillips

art unit 2837 · TC 2800

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Citations: 22 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20150192055 A1	9 Jul 2015

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