Invention Grant
- Patent Title: Electro-magnetic damper with air spring
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Application No.: US16258909Application Date: 2019-01-28
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Publication No.: US11338637B2Publication Date: 2022-05-24
- Inventor: Miguel Dhaens , Monzer Al Sakka , Christophe Lauwerys
- Applicant: Tenneco Automotive Operating Company Inc.
- Applicant Address: US IL Lake Forest
- Assignee: Tenneco Automotive Operating Company Inc.
- Current Assignee: Tenneco Automotive Operating Company Inc.
- Current Assignee Address: US IL Lake Forest
- Main IPC: B60G15/14
- IPC: B60G15/14 ; B60G17/08 ; B60G17/015 ; B60G17/056 ; F16F15/03 ; F16F15/027 ; F16F9/32 ; F16F9/512

Abstract:
A damper system for a vehicle is provided that includes a pressurized gas damper, electromagnetic actuator, and pressurized gas spring. The pressurized gas damper includes first and second working chambers that are fluidly connected by a flow control orifice. The electromagnetic actuator includes a stator assembly with a stator cavity and a magnetic rotor that is slidingly received in the stator cavity. The magnetic rotor is fixed to a damper tube that houses the second working chamber. The stator cavity and an end of the damper tube cooperate to define the first working chamber. The pressurized gas spring includes a bellows chamber that extends annularly about the damper tube. The damper tube includes an opening between the second working chamber and the bellows chamber.
Public/Granted literature
- US20200238780A1 Electro-Magnetic Damper With Air Spring Public/Granted day:2020-07-30
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