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公开(公告)号：US20200256419A1
公开(公告)日：2020-08-13
申请号：US16272425
申请日：2019-02-11
Applicant: Tenneco Automotive Operating Company Inc.
Inventor： Matthew L. ROESSLE , Darrell G. BREESE , Thomas P. MALLIN , Michael S. WEAVER
Abstract: A shock absorber with a pressure tube, a reserve tube, and a piston slidably disposed within the pressure tube to define first and second working chambers. A reservoir chamber is positioned between the pressure tube and the reserve tube. A damper baffle tube, positioned in the reservoir chamber, defines a baffle tube chamber between the pressure tube and the damper baffle tube. One or more electromechanical valves are positioned in fluid communication with the first working chamber and the baffle tube chamber. The damper baffle tube includes a compliant portion that has a sealing surface configured to move into and out of contact with the pressure tube in response to fluctuations in fluid pressure in the baffle tube chamber so as to form a check valve that holds a constrained volume of hydraulic fluid in the baffle tube chamber.
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公开(公告)号：US20180345749A1
公开(公告)日：2018-12-06
申请号：US15615053
申请日：2017-06-06
Applicant: Tenneco Automotive Operating Company Inc.
Inventor： Scott S. DUNAWAY , Matthew L. ROESSLE , Robert C. HARRIS , Michael J. LEPKOWSKI , Corey L. STEWART , Michael S. WEAVER , Gary BUTZKE
IPC: B60G17/015 , B60G13/08 , B60G13/00 , B60G17/08 , B60G17/019 , F16F9/46 , F16F9/32 , H05K7/02
Abstract: An electrically adjustable hydraulic shock absorber includes a piston positioned within a tube that divides a fluid chamber into a first working chamber and a second working chamber. A piston rod is attached to the piston and projects. An electronically-controlled valve is positioned within a rod guide. A circuit board is in communication with the electronically-controlled valve. A carrier includes an inner wall and an outer wall interconnected by a bottom wall thereby defining a pocket. A circuit board is positioned within the pocket.
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