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LINEAR ACTUATOR COMPRISING A SHAPE MEMORY ALLOY COIL SPRING OPERATING AT LOW ELECTRICAL POWER
LINEAR ACTUATOR COMPRISING A SHAPE MEMORY ALLOY COIL SPRING OPERATING AT LOW ELECTRICAL POWER
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机译:包含形状记忆合金线圈弹簧的线性执行器,在低功率下工作
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摘要
The present invention relates to linear actuators comprising an electrically-controlled shape memory alloy coil spring (23) suitable to provide linear displacements in valves, switches, lock systems and provided with a crimped terminal at each extremity, each of said crimped terminals comprising a crimping component (21) and an engaging member (22) suitable to mount the spring (23) into the linear actuator. The invention further discloses the use of said spring (23) with particular geometrical characteristics and crimping system assuring the maximization of the available stroke and fatigue life, structural simplicity, low electrical power requirements and thermal inertia, small size.
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