Patent · US Active

Frequency converter

US11558985B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., LTD · CN

Inventors

Kaikai Li · Beijing, CN
Huidong Lu · Qingdao, CN
Chuan Yan · Tyler, US
Enfang Xu · Qingdao, CN
Weizhong Wei · Qingdao, CN
Jiasheng Zhang · Qingdao, CN
Shouyuan Zhao · Qingdao, CN
Liuzhu Zhang · Qingdao, CN
Xinran Li · Qingdao, CN
Maofeng Yang · Qingdao, CN

Key dates

Filing date	Dec 18, 2020
Grant date	Jan 17, 2023
Priority date	—
Expiry date	Jan 13, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH05K5/0217
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present disclosure provides a frequency converter. The frequency converter includes a box body and a bottom box. A bottom portion of the box body is fixedly connected with a top portion of the bottom box. A top portion of a left side of the box body and a bottom portion of the left side of the box body are fixedly connected to a respective fan. A top portion of a left side of an inner wall of the box body and a top portion of the left side of the inner wall of the box body are fixedly connected to a respective annular plate. One end of an output shaft of each fan is fixedly connected to a rotating rod. One end of each rotating rod away from the fan passes through the box body and extends to an interior of the box body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.