Ultrasonic vibration unit with damping
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United States of America Patent
Stats
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Jul 5, 2022
Grant Date -
Sep 3, 2020
app pub date -
Nov 19, 2018
filing date -
Nov 24, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention concerns an ultrasonic vibration unit having a converter (1) for converting an electric ac voltage into a mechanical ultrasonic vibration and a sonotrode which is vibrationally coupled to the converter (1), wherein the sonotrode and the converter (1) are matched to each other in such a way that the ultrasonic vibration unit can vibrate with a natural frequency f, in which a standing longitudinal wave having at least one vibration node and at least two vibration antinodes is formed within the ultrasonic vibration unit. To provide an ultrasonic vibration unit in which the parasitic vibrations which usually occur in operation with a working frequency are slight or do not occur, wherein at the same time the actual working frequency is not attenuated, it is proposed according to the invention that there is provided a damp vibration absorber unit (2) connected to the ultrasonic vibration unit by way of a coupling element (3), wherein the coupling element (3) is connected to the ultrasonic vibration unit at a vibration node, wherein the vibration absorber unit (2) is connected to a damping element (4) which is so adapted that it damps a vibration of the vibration absorber unit (2).

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HERRMANN ULTRASCHALLTECHNIK GMBH & CO KG | 76307 KARLSBAD |
International Classification(s)

- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ertz, Gabriel | Hannover, DE | 4 | 0 |
Twiefel, Jens | Hannover, DE | 9 | 16 |
Vogler, Ulrich | Uhldingen-Muhlhofen, DE | 27 | 152 |
Wallaschek, Jorg | Hannover, DE | 8 | 512 |
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