EGR system using perpendicularly arranged control valve
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United States of America Patent
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-
May 5, 1998
Grant Date -
N/A
app pub date -
Dec 11, 1996
filing date -
Dec 21, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Most of the components of an EGR control valve except for a negative pressure actuator, such as a valve seat member, a valve member, a rod, a sliding member, and part of a throttle body, are accommodated in a throttle body and disposed adjacent to an air intake passage. Thus, the number of components of the EGR control valve projecting from the throttle body is reduced, thereby reducing the space around the air intake passage. The rod is disposed in parallel with a throttle shaft, so that a throttle valve and the components of the EGR control valve can be disposed concentratively on the opposite ends of the throttle shaft. Accordingly, the overall size of the recirculation system is reduced.
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