专利名称：Valve train of an internal combustion engine
comprising a tappet and a hollow tappetpushrod
发明人：Cathleen Rutsey申请号：US11294254申请日：20051205公开号：US07174870B2公开日：20070213
专利附图：
摘要：A valve train of an internal combustion engine comprising a tappet and a hollowtappet pushrod that is actuated by said tappet, said tappet pushrod comprising on one
end, a first support for an at least indirectly contacting pressure piston of a hydraulic lashadjuster of said tappet that follows a periodic driving element, typically a cam, a secondsupport for a follower member, typically a rocker arm, being arranged on a further endof the tappet pushrod, said first support comprising a passage for hydraulic medium thatcan be routed out of the pressure piston during operation of the internal combustionengine into an interior of the tappet pushrod, and the second support comprising apassage for the hydraulic medium to the follower member, wherein a one-way valve bodyis arranged in the interior of the tappet pushrod and extends for free axial displacementbetween a complementary valve seat facing the first support and a stop for the one-wayvalve body, typically a disc, facing the second support, which stop comprises at least onethrough-opening such that, when the one-way valve body comes to bear against the stop,a choked flow of hydraulic medium takes place toward the second support.
申请人：Cathleen Rutsey
地址：Ferndale MI US
国籍：US
代理人：Charles A. Muserlian
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