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:
Jun. 21, 2022
Filed:
Nov. 18, 2016
Weichai Power Co., Ltd., Shandong, CN;
Xuguang Tan, Shandong, CN;
Yibao Wang, Shandong, CN;
Xiaoli Zhang, Shandong, CN;
Fengshuang Wang, Shandong, CN;
Dongsheng Wang, Shandong, CN;
Hao Zhang, Shandong, CN;
Suying Zhang, Shandong, CN;
Wei Gao, Shandong, CN;
WEICHAI POWER CO., LTD., Shandong, CN;
Abstract
An engine and a double-swirl mixing device thereof are provided. The double-swirl mixing device includes a mixing tube configured to mix exhaust gas with urea, a tapered mixer including a tapered tube having an outlet end extending into the mixing tube, and a plurality of tapered swirl plates which are arranged along a circumferential direction on a side wall of the tapered tube, and a fan-type blade arranged at the outlet end of the tapered tube, and a diameter of an inlet end of the tapered tube is smaller than a diameter of the outlet end of the tapered tube.