Step-up transformer for magnetron driving

Details Step-up transformer for magnetron driving Step-up transformer for magnetron driving

2006-01-03

2006-01-03

Mai, Anh (Department: 2832)

Inductor devices

With closed core interrupted by an air gap

C336S212000

Reexamination Certificate

active

06982623

ABSTRACT:
In a step-up transformer for magnetron driving in which two ferrite cores are opposed to each other with a gap G interposed therebetween, thereby forming a magnetic circuit including a middle core section, an outer core section and a coupling core section for coupling the middle core section and the outer core section, and a primary winding and a secondary winding are arranged to surround the middle core respectively, a sectional area of the middle core is increased, a number of winds in a radial direction of each of the primary winding and the secondary winding is increased and a number of winds in an axial direction is decreased, and the primary winding and the secondary winding are provided close to each other and a ratio of the sectional area of the middle core to that of the outer core is decreased to be 2:1 or less.

REFERENCES:
patent: 6297593 (2001-10-01), Takashige et al.
patent: 6587023 (2003-07-01), Miyazaki et al.
patent: 1282081 (2001-01-01), None
patent: 35 29 011 (1987-02-01), None
patent: 1 058 279 (2000-12-01), None
patent: 2001-15259 (2001-01-01), None
patent: 2001-189221 (2001-07-01), None
patent: 2002-134266 (2002-05-01), None
patent: WO 00/78100 (2000-12-01), None

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