Control valve of exhaust gas recirculation apparatus
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United States of America Patent
Stats
-
Feb 5, 1985
Issued Date -
N/A
app pub date -
Jan 28, 1982
filing date -
Dec 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control valve for an exhaust gas recirculation apparatus for leading part of the exhaust gas from an exhaust line to a suction line. This control valve comprises a throttling member provided in the passage for recirculating exhaust gas, and a valve body the opens and closes the passage of the throttling member. The hole provided in the base of the throttling member has an inside diameter smaller than the hole of the throttling portion. The end portion of the valve body has an outside diameter a little smaller than the inside diameter of the hole of the throttling member, and the length of this end portion in the axial direction is selected so as to allow at least its end to pass the base of the throttling member when the large diameter portion of the valve body is in contact with the base. The thickness of the base of the throttling member in the axial direction is sufficiently smaller than the inside diameter of the hole of the base.
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