Invention Grant
- Patent Title: Height-adjustable spring arrangement for a vehicle
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Application No.: US17261222Application Date: 2019-06-11
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Publication No.: US11325439B2Publication Date: 2022-05-10
- Inventor: Maximilian Dietrich , Martin Riediger , Uwe Schatzberger
- Applicant: Bayerische Motoren Werke Aktiengesellschaft
- Applicant Address: DE Munich
- Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee: Bayerische Motoren Werke Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Crowell & Moring LLP
- Priority: DE102018212109.5 20180720
- International Application: PCT/EP2019/065182 WO 20190611
- International Announcement: WO2020/015924 WO 20200123
- Main IPC: B60G17/027
- IPC: B60G17/027 ; B60G3/01

Abstract:
A height-adjustable spring arrangement for a vehicle includes a bearing spring, a first limiting cylinder with a first limiting cylinder pot and a first limiting piston, a second limiting cylinder with a second limiting cylinder pot and a second limiting piston, and a guide cylinder with a guide cylinder pot, a displaceable guide piston in the guide cylinder pot and a guide piston rod fixed on the guide piston and extending out of the guide cylinder pot along a longitudinal axis of a bearing spring and through the bearing spring. The guide piston rod is displaceable by the first and second limiting cylinders such that a spring preload acting on the bearing spring and a negative spring path of the bearing spring remain constant as a result of a height adjustment.
Public/Granted literature
- US20210268859A1 Height-Adjustable Spring Arrangement for a Vehicle Public/Granted day:2021-09-02
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