EV multi-mode thermal management system
US9758012B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2014 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Sep 19, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H2001/00928
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A multi-mode vehicle thermal management system is provided that allows efficient thermal communication between a refrigerant-based thermal control loop and two non-refrigerant-based thermal control loops, where one of the non-refrigerant-based loops is thermally coupled to the vehicle's battery system and the other of the non-refrigerant-based control circuits is thermally coupled to the vehicle's drive train. The refrigerant-based control loop may be operated either in a heating mode or a cooling mode and is coupled to the vehicle's HVAC system using a refrigerant-air heat exchanger, and to the battery thermal control loop using refrigerant-fluid heat exchangers. A valve assembly is used to couple and/or decouple the battery and drive train thermal control loops, thereby allowing these two thermal control loops to operate either in parallel or in series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.