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US4972815A Intake air quantity regulating device for an automobile engine 失效
汽车发动机进气量调节装置

Intake air quantity regulating device for an automobile engine
摘要:
Grooves 6 having a length larger than the diameter of shaft 2 are formed in both surfaces of throttle valve 3 between mounting screws 4 and the inner circumferential wall of throttle body 1, perpendicular to the shaft axis, to capture any excess adhesive applied to the screws and migrating outwardly therefrom.
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