Heating systems – Automatic control – Water
Patent
1998-01-14
1999-07-06
Bennett, Henry
Heating systems
Automatic control
Water
237 2R, 237 2A, F24D 300
Patent
active
059188057
ABSTRACT:
A self-powered, forced hot air space heating system including a boiler for generating steam, a mechanical power producing steam expander, and a heat exchanger for heating air. Steam from the boiler is supplied to the expander and the heat exchanger, which is disposed in close proximity to the boiler. A fan powered by the expander is mounted adjacent to the heat exchanger in order to force air to be heated past the heat exchanger and through the space being heated. By operation of the fan, cool air is forced past the heat exchanger and heated. The resulting warm air is then provided to the space being heated. The system provides central forced hot air heating without the need for any external supply of electrical power. In another embodiment, a hot water heater is used in place of the boiler to heat high pressure water. The high pressure hot water is expanded to obtain mechanical energy for driving a generator and, thereby, producing a supply of electrical power. Hot water and steam from the expander are passed through a heat exchanger and an air blower, powered by the generator, may move cool room air past the heat exchanger and into the corresponding space. Alternatively, the hot water and steam from the expander may be used to heat a second supply of water that may then be forced to a plurality of radiators within the space being heated by a pump powered by the generator.
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Bennett Henry
Boles Derek
Yankee Scientific, Inc.
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