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:
Apr. 21, 2023
Motiv Power Systems, Inc., Foster City, CA (US);
James Michael Castelaz, Alameda, CA (US);
Brandon Tsuge, Foster City, CA (US);
Motiv Power Systems, Inc., Foster City, CA (US);
Abstract
A heat pump vehicle thermal system comprises a battery pack thermal system, a two-phase refrigeration system, and a power electronics thermal system. When the outer environment is cold relative to the interior of the vehicle (cold ambient), the heat pump thermal system is controlled in a first mode where the two-phase refrigeration system transfers heat generated by the power electronics thermal system to either the battery pack thermal system or to the cabin or to both. When the outer environment is hot relative to the interior of the electric vehicle (hot ambient), the heat pump thermal system is controlled in a second mode where the two-phase refrigeration system absorbs heat from the battery pack thermal system and the cabin and transfers the absorbed heat to the ambient environment. In the second mode, no heat generated by the power electronics is transferred to either the cabin or the battery packs.