Exhaust system of internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Mar 24, 2020
Grant Date -
Nov 22, 2018
app pub date -
May 16, 2018
filing date -
May 16, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An exhaust system includes a turbine housing and an air-fuel ratio sensor. The turbine housing includes a first collecting exhaust pipe including a first passage, a second collecting exhaust pipe including a second passage, and a junction exhaust pipe including a junction passage. The first passage and the second passage are arranged in parallel. When an inner wall forming the junction passage is defined into a first continuous inner wall and a second continuous inner wall, the air-fuel ratio sensor is provided in the first continuous inner wall so as to protrude toward the center of the junction passage. A guide portion that protrudes toward the center of the junction passage is provided in the first continuous inner wall on the upstream side of the air-fuel ratio sensor.
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