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:
Jul. 06, 2021
Filed:
Apr. 16, 2018
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
David B. Spicer, Houston, TX (US);
Bharath Krishnamoorthi, Zachary, LA (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The present disclosure relates to a heat transfer tube including an inner surface and an outer surface. The heat transfer tube further includes a first mixing element and a second mixing element disposed on the inner surface of the tube and projecting inwardly toward a central longitudinal axis of the tube. Adjacent mixing elements are separated by a gap arc distance of about 0.5 inches (1.27 cm) or greater. The first helical row has an angle (Θ) from about 15 degrees to about 85 degrees relative to the central longitudinal axis of the tube. The tube has an inner diameter of about 1.85 inches (4.7 cm) or less.