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:
Sep. 08, 2026
Filed:
Mar. 11, 2022
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya, JP;
Abstract
A vehicle thermal management system includes a first refrigerant circuit including a first compressor that compresses first refrigerant, a first refrigerant/inside air heat exchanger, and a first expansion valve; a cooling water circuit that circulates cooling water in the cooling water circuit; a second refrigerant circuit including a second compressor that compresses second refrigerant, a second refrigerant/outside air heat exchanger, and a second expansion valve; a first refrigerant/cooling water heat exchanger; a second refrigerant/cooling water heat exchanger; and a control unit configured to control operations of the first refrigerant circuit, the cooling water circuit, and the second refrigerant circuit. The first refrigerant circuit, the cooling water circuit, and the second refrigerant circuit operate in a two-stage heat pump mode where the vehicle interior is heated, by a control of the control unit.