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. 14, 2022
Filed:
Sep. 01, 2020
Saudi Arabian Oil Company, Dhahran, SA;
Thibault Tarik Villette, Al-Khobar, SA;
Guillaume Robert Jean-Francois Raynel, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
An apparatus includes a method for providing a Shape Memory Polymer Based Passive Thermal Diode (SMP-PTD) that includes layers and is configured to provide passive heating and cooling of a pipeline. The SMP-PTD includes a polyurethane (PU) layer configured to contact at least an upper portion along a length of a pipe. The SMP-PTD further includes a polyethylene terephthalate (PET) layer configured to surround the PU layer and the length of the pipe. The SMP-PTD further includes a graphene layer configured to surround an upper side of the SMP-PTD and cross layers of the SMP-PTD toward a bottom side of the SMP-PTD to establish contact with the pipe. The SMP-PTD further includes an epoxy shell configured to surround the graphene layer. The SMP-PTD further includes a shape memory polymer (SMP) ring configured to provide vertical displacement and push upward upon lateral displacement from pushing by left and right PET blocks. The SMP-PTD is installed on the pipeline.