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| Number | Title | Issue Date |
| 6464027 | Method of thermal management for a hybrid vehicle A method of thermal management for a thermal management system in a vehicle includes the steps of selecting a thermal management function. The method also includes the steps of adjusting a temperature within the thermal management system using the thermal... | 10/15/2002 |
| 5291960 | Hybrid electric vehicle regenerative braking energy recovery system A series hybrid engine has an electric traction motor drive of the vehicle wheels and a regenerative braking system that converts the motor to a generator for the output of useful electrical energy, the latter being used either to charge the storage batte... | 03/08/1994 |
| 4840220 | Heat pump with electrically heated heat accumulator A temperature setting unit is operated to set a desired temperature. An indoor temperature detector detects an indoor temperature. A timer is operated to set an operation start time. An indoor unit includes at least an indoor heat exchanger, an air duct a... | 06/20/1989 |
| 4250866 | Thermal energy storage to increase furnace efficiency A forced air furnace includes a conventional fuel fired, primary heat exchanger and a secondary heat exchanger associated with the stack. The secondary exchanger includes a phase change material having a transition temperature within the range of the stac... | 02/17/1981 |
