SHAPE MEMORY ALLOY ACTUATED FIRE AND OVERHEAT DETECTOR

SHAPE MEMORY ALLOY ACTUATED FIRE AND OVERHEAT DETECTOR

A linear detector element includes an outer sheath having a first end and a second end, one or more shape memory responsive elements within the outer sheath and between the first end and the second end and first and second conductive wires passing through at least a portion of the outer sheath and t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SEEBALUCK, Dharmendr Len, NEWLIN, Scott Kenneth, AVUDAIAPPAN, Thambiraj
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
BASIC ELECTRIC ELEMENTS
CURRENT COLLECTORS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
LINE CONNECTORS
ORDER TELEGRAPHS
PHYSICS
RELAYS
SELECTORS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A linear detector element includes an outer sheath having a first end and a second end, one or more shape memory responsive elements within the outer sheath and between the first end and the second end and first and second conductive wires passing through at least a portion of the outer sheath and through the one or more shape memory responsive elements. The one more shape memory responsive elements include a shape memory actuator surrounding the first and second conductive wires and that has an expanded size and a contracted size and that is sized and arranged such that when the shape memory actuator is in the contracted state the first and second conductive wires contact one another and when the shape memory actuator is in the expanded state the first and second conductive wires do not contact one another.