TUBE FABRICATION DESIGN, INC.
TUBE FABRICATION DESIGN, INC. Patent applications | ||
Patent application number | Title | Published |
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20090114732 | MULTIPLE CELL LIQUID HEAT PUMP SYSTEM AND METHOD - A system and method having a plurality of cells and a plurality of heating elements and a controller for independently controlling the plurality of heating elements. The heat pump is capable of maintaining a fluid temperature within a predetermined range. A second pump pumps fluid through a heat exchanger in operative relationship with the blower upon a call for heat. | 05-07-2009 |