Proportional solenoid for purging fuel vapors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
May 25, 2000
filing date -
May 25, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved regulator valve 10 for controlling the purging of fuel vapors collected in a canister 12 and an evaporative emission control system into an intake system 18 of an internal combustion engine employs a solenoid valve assembly 40 with an armature 86 disposed outside of the coil 58 to operate with low friction. A spring 90 separating the armature 86 from the valve member 98 allows the spring 98 to absorb most of the magnetic and gravitational side loading.
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