Invention Grant
US09267444B2 Sealing arrangement for a control device of an internal combustion engine 有权
内燃机控制装置的密封装置

Sealing arrangement for a control device of an internal combustion engine
Abstract:
A sealing arrangement for a control device of an internal combustion engine includes a housing. A channel is formed in the housing. The channel has a gas flow therethrough. A control member controls a flow of the gas in the channel. The control member is arranged on a shaft. A bearing supports the shaft in a bearing bore of the housing. A vent bore extends in the housing from an inner wall of the channel on an inlet side of the control member to a rear side, facing outward from the channel, of the bearing arranged in the housing, and into the bearing bore. A first groove is formed in the shaft behind the bearing. The first groove is configured so as to be circumferential when seen from the channel. The first groove is surrounded radially by a sealing device which is configured to cooperate with the first groove.
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