Impact absorber for vehicle bumper etc. has differential cylinder connected to pressure system for applying variable force with controllable force-distance characteristic

Impact absorber for vehicle bumper etc. has differential cylinder connected to pressure system for applying variable force with controllable force-distance characteristic

The impact absorber includes a first force element (1) with an effective surface (11) which is displaced in accordance with a preset force-distance characteristic in response to an external force (Fwirk). A second force element (2) is fixed to the effective surface (11) and exerts a variable force (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SCHROETER, FRANK
Format: Patent
Sprache:eng ; ger
Schlagworte:
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
SHOCK-ABSORBERS
SPRINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:The impact absorber includes a first force element (1) with an effective surface (11) which is displaced in accordance with a preset force-distance characteristic in response to an external force (Fwirk). A second force element (2) is fixed to the effective surface (11) and exerts a variable force (Fvar) upon the effective surface in accordance with a controllable force-distance characteristic. The second force element includes a differential cylinder (21) connected to a pressure system (3) for exerting a working pressure in the cylinder sections (24,25) adjoining a piston (22). Ein Stoßabsorber umfaßt ein erstes Kraftelement (1), das eine Wirkfläche (11) aufweist, die bei Einwirkung einer äußeren Wirkkraft (F¶wirk¶) entsprechend einer voreingestellten Kraft-Weg-Kennlinie verschiebbar ist, und ein zweites Kraftelement (2), das mit der Wirkfläche (11) fest verbunden und zur Ausübung einer variablen Kraft entsprechend einer steuerbaren Kraft-Weg-Kennlinie auf die Wirkfläche (11) eingerichtet ist.