Drive device for a vehicle flap
US11339599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2018 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Jan 30, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2075
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A drive device for a pivoting vehicle flap, includes a first housing part (3), a second housing part (4), wherein the first housing part (3) and the second housing part (4) are designed to be movable toward each other in the direction of the axial extension (x) of the drive device (1), a spindle rod (12) rotatably arranged on one of the first housing part (3) and the second housing part (4) and a spindle nut (13) arranged in a rotatably fixed manner on the other of the first housing part (3) and the second housing part (4), a braking device (19), comprising a first brake element, which is connected to the spindle rod (12) in a rotatably fixed manner, a second brake element, which is connected to one of the first housing part (3) and the second housing part (4) in a rotatably fixed manner, wherein the first brake element can interact with the second brake element in order to generate a brake force, and a magnet arrangement for generating a magnetic field. The drive device (1) is for a pivoting vehicle flap, to provide automatic pivoting and a flexible holding force for the vehicle flap, such that at least one of the first brake element and the second brake element can be displaced i…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.