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    • 7. 发明授权
    • Motor cooling systems for ice shavers
    • US11359850B2
    • 2022-06-14
    • US16568200
    • 2019-09-11
    • Snowie LLC
    • Carl A. Rupp
    • F25C5/12A23G9/04F01P5/06
    • Apparatuses, methods, and systems for cooling the motor of a frozen confection machine during operation are described. A frozen confection machine has a blade assembly for shaving ice and a housing comprising an air inlet and an air outlet. The machine has a motor disposed in the housing and is attached to a drive shaft for bringing ice into contact with the blade assembly. The machine also includes a drip tray and a heat sink that is in mechanical contact with the drip tray. The machine uses a fan assembly to causes airflow to move into the housing across the heat sink and past the motor for cooling the motor. During use, the airflow cools the motor to prolong motor life and enhance performance. The heat sink may be integrated with the tray or may be a standalone heat sink. The heat sink may have fins or other structures to increase thermal transfer. The airflow may be passively created by convection or enhanced by a fan or otherwise.