Piston assemblies and methods of using same
US11859644B2 · kind B2 · utility
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50References
3Claims
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Assignee
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Key dates
| Filing date | Mar 24, 2021 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Mar 24, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F9/3292
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A piston assembly for use in a gas spring or damper can include a piston rod partially positioned within a pressure tube, and a linear position sensing apparatus capable of tracking and determining the velocity of the piston rod. The linear position sensing apparatus can include a sensor, such as a waveguide sensor, connected to the piston rod such that the sensor moves with the piston rod. A beacon, such as a magnet, can be contained within the pressure tube and the sensor can detect the position of the beacon relative to the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.