THERMAL EXPANSION ACTUATOR

A thermal expansion actuator includes a first actuation interface (18), configured to couple to a first body, a second actuation interface (20), configured to be moved toward or away from the first actuation interface (18) in an actuation direction (D), and a plurality of actuating members (21, 22),...

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Bibliographische Detailangaben
1. Verfasser:	DOEBBELING, Klaus
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A thermal expansion actuator includes a first actuation interface (18), configured to couple to a first body, a second actuation interface (20), configured to be moved toward or away from the first actuation interface (18) in an actuation direction (D), and a plurality of actuating members (21, 22), configured to expand and retract in the actuation direction (D) in response to temperature variations. The actuating members (21, 22) include first actuating members (21) and second actuating members (22) connected alternated in series between the first actuation interface (18) and the second actuation interface (20) and arranged so that expansion of the first actuating members (21) tends to move the second actuation interface (20) away from the first actuation interface (18) in the actuation direction (D) and expansion of the second actuating members (22) tends to retract the second actuation interface (20) toward the first actuation interface (18) in the actuation direction (D). The first actuating members (21) and the second actuating members (22) have respective different thermal expansion coefficients (K1, K2).