Magnetron drive apparatus

Details Magnetron drive apparatus Magnetron drive apparatus

1988-10-19

1989-08-15

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 75, 323331, 323334, 219 1055B, H02M 3335, H05B 906

Patent

active

048580953

ABSTRACT:
In a magnetron drive apparatus a high frequency voltage converted and outputted by a frequency converter is inputted to a primary winding of a transformer and a high voltage power outputted from a secondary winding of the transformer is rectified and supplied to an anode of the magnetron and a power outputted from a heater winding of the transformer is supplied to a heater of the magnetron. The magnetron drive apparatus comprises a magnetic flux leakage device disposed in a magnetic path formed by the primary and secondary windings of the transformer and increasing a leakage magnetic flux in the magnetic path; and a device for winding the secondary winding and the heater winding therearound in a position opposite the primary winding with the magnetic flux leakage device arranged therebetween.

REFERENCES:
patent: 3780252 (1973-12-01), Crapuchettes
patent: 3818314 (1974-06-01), Bishop et al.
patent: 4007413 (1977-02-01), Fisher et al.
patent: 4041267 (1977-08-01), Wechsler
patent: 4236055 (1980-11-01), Kaminaka
patent: 4556773 (1985-12-01), Yoshiyuki et al.
patent: 4593167 (1986-06-01), Nilssen
Nikkei Electronics 1987, (no. 426) pp. 106-107.
Conference of Kansai area branches of the society of electric and related technology 1987 "Development of a microwave oven using an inverter power source" S13.

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