Temperature regulation apparatus for a motor vehicle, and methods of implementing the apparatus
US6901765B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 14, 2001 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | Dec 3, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2060/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The apparatus comprises a heat pump (12) having a main refrigerant circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), and a cooling circuit (48) for cooling an exothermal part, such as an engine, the cooling circuit being connected to a cooling heat exchanger (50). The cold source (16) has a first refrigerant/coolant heat exchanger (24) thermally coupling the main circuit to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30), to a “cold” heat exchanger (32), and to the cooling heat exchanger (50). The hot source (18) has a second refrigerant/coolant heat exchanger (34) thermally coupling the main circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to the outside heat exchanger (30), to a “hot” heat exchanger (39), and to the cooling heat exchanger (50). The invention is applicable to air conditioning a vehicle cabin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.