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. 02, 2025
Filed:
May. 14, 2021
China University of Petroleum (East China), Shandong, CN;
Hui Han, Qingdao, CN;
Yuxing Li, Qingdao, CN;
Jianlu Zhu, Qingdao, CN;
Chongzheng Sun, Qingdao, CN;
Cuiwei Liu, Qingdao, CN;
Qihui Hu, Qingdao, CN;
Wuchang Wang, Qingdao, CN;
Xinran Yu, Qingdao, CN;
Liang Liu, Qingdao, CN;
Guocong Wang, Qingdao, CN;
Hui Zhou, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao, CN;
Abstract
A sinusoidal corrugated tube-type spiral wounded heat exchanger suitable for FLNG, wherein a top of an outer cylinder has a shell-side refrigerant inlet and a bottom thereof has a shell-side refrigerant outlet; a sinusoidal corrugated tube-type liquid distributor is below the shell-side refrigerant inlet, a first sinusoidal corrugated winding tube bundle and a second sinusoidal corrugated winding tube bundle, which are heat exchanger tubes with a sinusoidal wave shape, are inside the outer cylinder, and peaks and troughs of the first sinusoidal corrugated winding tube bundle and the second sinusoidal corrugated winding tube bundle are in staggered correspondence one by one from top to bottom; a sinusoidal corrugated tube-type liquid distributor includes a one-into-two-type tube, a two-into-four-type tube, two sinusoidal corrugated tube-type liquid distribution tubes from top to bottom.