US 12,219,684 B2
Microwave heating apparatus
Hsuan-Hao Teng, Taichung (TW); and Han-Ying Chen, Hsinchu (TW)
Assigned to WAVE POWER TECHNOLOGY INC., Toufen (TW)
Filed by WAVE POWER TECHNOLOGY INC., Toufen (TW)
Filed on Nov. 17, 2021, as Appl. No. 17/528,855.
Prior Publication US 2023/0156877 A1, May 18, 2023
Int. Cl. H05B 6/70 (2006.01)
CPC H05B 6/707 (2013.01) [H05B 6/705 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A microwave heating apparatus comprising:
a magnetron;
a circulator having a front end connected to the magnetron;
a heating assembly having
a base waveguide tube having
an inlet port formed in a front end of the base waveguide tube, and the front end of the base waveguide tube connected with a rear end of the circulator; and
a connecting port formed in a rear end of the base waveguide tube, wherein the base waveguide tube has an imaginary axis defined through the front end of the base waveguide tube and the rear end of the base waveguide tube; and
a guiding tube mounted through and securely mounted on the base waveguide tube and having an imaginary central line defined along an elongation direction of the guiding tube, wherein an included angle between the imaginary central line and the imaginary axis is smaller than 90 degrees; and
an end assembly including
a reflecting component movably mounted in the base waveguide tube, disposed between the guiding tube and the connecting port and having a reflecting surface, and the reflecting surface facing toward the guiding tube; and
an adjusting module mounted on the rear end of the base waveguide tube, connected to the reflecting component, and selectively driving the reflecting component to adjust a distance defined between the reflecting component and the guiding tube.