EP0977285A1
Expired / Lapsed
EP
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Pressure loading for piezoelectric actuator
Assignee: Siemens AG
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Filing: 1999-07-23
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Granted: —
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Expires: 2019-07-23
Abstract
Abstract Translated from German Eine Aktoreinheit weist einen piezoelektrischen Aktor (1) auf, der in einer Vorspanneinrichtung eingekapselt ist, wobei die Vorspanneinrichtung ein Druckfedermittel (4) aufweist, das den piezoelektrischen Aktor gegen seine Dehnungsrichtung druckbelastet vorspannt. An actuator unit has a piezoelectric actuator (1) which is encapsulated in a pretensioning device, the pretensioning device having a compression spring means (4) which prestresses the piezoelectric actuator against its direction of expansion under pressure.
Inventors
- 👤 Andreas Dr.-Ing. Voigt
- 👤 Wilhelm Dipl.-Ing. Frank
- 👤 Günter Dipl.-Ing. Lewentz
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 21:37
CPC Classifications
H; H10; H10N; H10N30/00; H10N30/80; H10N30/88; H10N30/886; H10N30/50; F; F02; F02M; F02M2200/00; F02M2200/21
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References Cited (Backward Citations)
US5004945A
Cited
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