公开(公告)号：US20160353529A1

公开(公告)日：2016-12-01

申请号：US15117688

申请日：2015-03-11

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： YOSHIHARU OMORI ,  KOJI YOSHINO ,  MASAHARU TSUJIMOTO ,  TAKAHIDE YAMAGUCHI ,  JUNJI HIRATA ,  TAKAYUKI AKASHI ,  MASAFUMI SADAHIRA ,  MASAYUKI KUBO

IPC: H05B6/70 ,  H05B6/64

CPC classification number: H05B6/708 ,  H05B6/6411 ,  H05B6/704

Abstract: Microwave oven (20) includes waveguide (3) having an E-bend structure, and multiple openings (4a, 4b). Waveguide (3) has first section (3a) for propagating a microwave from magnetron (2) toward heating chamber (1), and second section (3b) of which wide plane abuts on the outer wall of heating chamber (1). Multiple openings (4a, 4b) are disposed on a lateral face of heating chamber (1). Openings (4a, 4b) allow waveguide (3) to communicate with heating chamber (1), and include at least one circularly-polarized-wave opening (4a) for generating a circularly polarized wave. A cross section of first section (3a) orthogonally intersecting tube axis (7a) of first section (3a) is projected virtually along tube axis (7a) of first section (3a) onto a lateral face of heating chamber (1), and circularly-polarized-wave opening (4a) is formed such that its center is located outside the resultant projected region defined by this projection. The foregoing structure allows this compact size waveguide to generate a circularly polarized wave more positively.

Abstract translation: 微波炉（20）包括具有E形弯曲结构的波导（3）和多个开口（4a，4b）。 波导（3）具有用于将来自磁控管（2）的微波传播到加热室（1）的第一部分（3a），并且第二部分（3b）的宽平面邻接在加热室（1）的外壁上。 多个开口（4a，4b）设置在加热室（1）的侧面上。 开口（4a，4b）允许波导（3）与加热室（1）连通，并且包括用于产生圆偏振波的至少一个圆极化波开口（4a）。 与第一部分（3a）正交相交的管轴线（7a）的第一部分（3a）的横截面实质上沿着第一部分（3a）的管轴线（7a）投射到加热室（1）的侧面上，并且循环 形成极化波开口（4a），使得其中心位于由该突起限定的所产生的投影区域的外侧。 上述结构允许该紧凑尺寸的波导更积极地产生圆偏振波。