Back to results
US 11,387,749 B2Granted
Vibration energy harvester
AssigneeKabushiki Kaisha Saginomiya Seisakusho
InventorDaisuke Anai
Life of this patent
Estimating the term…
Abstract
A vibration energy harvester includes: a fixed electrode unit having a plurality of comb-tooth electrodes; a movable electrode unit having a plurality of comb-tooth electrodes; a weight fixed to the movable electrode unit; and an adjusting weight mounting structure capable of mounting an adjusting weight for additionally adjusting a mass of the weight.
Claims12
A vibration energy harvester comprising:
- a fixed electrode unit having a plurality of comb-tooth electrodes;
- a movable electrode unit having a plurality of comb-tooth electrodes;
- a weight fixed to the movable electrode unit;
- and
- an adjusting weight mounting structure capable of mounting an adjusting weight provided on the weight for additionally adjusting a mass of the weight,
- wherein
- the adjusting weight mounting structure is formed as a recess in a direction orthogonal to a direction in which the plurality of comb tooth electrodes of the movable electrode unit vibrate, and
- the adjustment weight is accommodated in the adjusting weight mounting structure.
5 more elements
A vibration energy harvester comprising:
- a fixed electrode unit having a plurality of comb-tooth electrodes;
- a movable electrode unit having a plurality of comb-tooth electrodes;
- a weight fixed to the movable electrode unit;
- and
- an adjusting weight mounting structure capable of mounting an adjusting weight for additionally adjusting a mass of the weight,
- wherein
- the movable electrode unit has a central strip portion extending in a direction orthogonal to an arrangement direction of the comb-tooth electrodes of the movable electrode unit, in a center part in the arrangement direction of the comb-tooth electrodes of the movable electrode unit;
- and
- the weight has a strip-like portion extending along the central strip portion and a plate-like portion, the plate-like portion being provided integrally with the strip-like portion and covering at least a part of the comb-tooth electrodes of the fixed electrode unit and the comb-tooth electrodes of the movable electrode unit.
6 more elements
Dependencies are inferred from the claim text.