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| | Throttle Linkage Valve Situation: A manufacturer of large diesel engines needed a motor to actuate a throttle linkage valve. The high acceleration torque requirement of the application made this existing brush motor customer consider ElectroCraft's brushless DC motor technology. The motor had to meet very strict life requirements, demanding performance requirements, and be able to withstand the high temperatures involved in an under-the-hood environment. Solution: ElectroCraft designed a custom output shaft with a hardened helical gear geometry to mate with customer's gear box. The stator had to be potted with a high temperature plastic, and high temperature grease and seals were required to protect the motor and reduce premature fatigue. Additionally, the hall device PC board had to be custom designed to fit through a special front mounting bracket which mated with the customer's control board. | |
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