The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2022
Filed:
May. 08, 2019
York Guangzhou Air Conditioning and Refrigeration Co., Ltd., Qingyuan, CN;
Johnson Controls Technology Company, Auburn Hills, MI (US);
Bin Yuan, Qingyuan, CN;
Shifeng Feng, Qingyuan, CN;
Hongdan Wang, Qingyuan, CN;
Chenggang Wu, Qingyuan, CN;
York Guangzhou Air Conditioning and Refrigeration Co., Ltd., Qingyuan, CN;
Johnson Controls Tyco IP Holdings LLP, Milwaukee, WI (US);
Abstract
A blade () includes an upper surface and a lower surface, the upper surface being a pressure face (), and the lower surface being a suction face (), a blade tip () and a blade base (), a leading edge () and a trailing edge (), where the pressure face () and the suction face () each extend from the blade tip () to the blade base (), and each extend from the leading edge () to the trailing edge (). The blade () further includes a bent part (), the bent part () being arched from the pressure face () toward the suction face (), where the bent part () has a lowest point in a radial cross section of the blade (), and a connecting line () of the lowest points extends in a direction from the leading edge () to the trailing edge ().