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:
Mar. 24, 2026
Filed:
Jun. 29, 2023
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Timothy Unton, Indianapolis, IN (US);
Eric Donovan, Indianapolis, IN (US);
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Abstract
A heat exchanger may include a first coolant path for circulating a first coolant and a second coolant path for circulating a second coolant, where the first coolant path including a plurality of first cooling tubes, where the second coolant path including a plurality of second cooling tubes, where the first coolant path is fluidly isolated from the second coolant path in the heat exchanger, and where the first cooling tubes and the second cooling tubes are arranged in series and such that the first cooling tubes alternate with the second cooling tubes in an airflow direction.