Cooling device of linear motor

Details Cooling device of linear motor Cooling device of linear motor

2011-06-14

2011-06-14

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S012010, C310S012110, C310S012250, C310S012260, C310S013000, C310S014000

Reexamination Certificate

active

07960874

ABSTRACT:
A cooling device of a linear motor to cool a primary side of the linear motor including an iron core and a coil accommodated in slots of the iron core, including an elongate cover covering coil end portions exposed from both side faces of the iron core in a longitudinal direction, an air channel serving as blower for forcing a current of cooling air inside the cover, and a partition plate dividing the inside of the cover into upper and lower spaces. It is configured in such a manner that the upper space divided by the partition plate is used as a ventilation portion through which a current of cooling air is forced and the lower space is used as a cooling portion in which the coil end portions are accommodated and cooled. A slit is formed almost along a full length of the partition plate on a side closer to the iron core for bringing the ventilation portion and the cooling portion into communication with each other, and a vent is provided in a lower portion of the cooling portion.

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Definition of “slit” from Meriam Webster's Collegiate Dictionary, 10th edition (2001).
Form PCT/ISA/210 (International Search Report) dated Feb. 6, 2007.

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