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| Number | Title | Issue Date |
| 7336009 | Hobby servo enhancements An independent and modular apparatus is disclosed for extending the operational capacity of a servo motor. The apparatus includes a frame member having a servo motor and a rotatable shaft mounted therein. The output shaft of the servo motor and the rotatable shaft a... | 02/26/2008 |
| 7285884 | Hobby servo attachment mechanisms An apparatus for extending the operational capacity of a servo motor is disclosed. The apparatus includes a frame member. A first aperture is defined within the frame member and is configured to support a servo motor. A servo motor is positioned within the first ape... | 10/23/2007 |
| 7063140 | Multiple climate air system The present invention 10 discloses a climate control system for a dwelling 12 comprised of main air conditioning unit 36 and a plurality of thermostats 14 and vents 16. Each of the thermostats 14 is positioned within a zone ... | 06/20/2006 |
| 7059536 | Air circulation system An air circulation system for use with or without ductwork having an outside air stream and a return air stream includes a controller and a return damper apparatus operatively connecting the return air stream to the controlled environment. The air circulation system... | 06/13/2006 |
| 7014124 | Automated air flow system and method The disclosed embodiments provide and automated air flow system and method. An automated register is coupled to at least one sensor for providing data associated with a structure. The automated register is configured to automatically provide air flow into the struct... | 03/21/2006 |
| 5697551 | Heating system of the type for apartments or offices in buildings A water heating system for a number of apartments or offices 10 each having a water store 15 for receiving hot water from a common boiler 12. The system includes a temperature sensor S2 for sensing the temperature of incoming water from the boiler, with a... | 12/16/1997 |
| 5622221 | Integrated zoning circulator with priority controller An integrated zoning circulator includes a priority controller, integral with the zoning circulator, for determining the priority given to the circulator in an individual zone of a multi-zone hydronic system. The zoning circulator also includes a priority... | 04/22/1997 |
| 5507153 | Electric motor vehicle The electric motor vehicle of this invention is an electric motor vehicle which is provided with a drive motor (13) driven by electric power from a storage battery (11), an air conditioner (1), and a regenerative brake means which temporarily uses the mot... | 04/16/1996 |
| 5209398 | Model-based thermobalance with feedback A temperature control system and method for maintaining the temperature of air within an air pressure controlled enclosure at a desired temperature. The system uses an energy flow model to determine the temperature to which the air supplied to the enclosu... | 05/11/1993 |
| 4690324 | Oil burner control for hydronic system An integrated oil burner control and hydronic limit control arrangement is disclosed. A single transformer energizes the oil burner control and all of the equipment necessary to both operate an oil burner and a circulator pump. This type of device can be ... | 09/01/1987 |
| 4629116 | Power saving thermal carrier circulating pump particularly for heat pump heating systems An electric-motor-driven circulating pump for heating systems reduces power consumption of the motor, whereby the reduction ensues by means of periodic interruption of a line feed by means of electronic switch means so that switch-on and pause intervals f... | 12/16/1986 |
| 4576332 | Heating installation with heat pump The invention relates to a heating installation of the type having a heat pump, radiators having valves, and a control device having a desired value generator for controlling the upstream temperature that delivers as an effective desired value, a guided d... | 03/18/1986 |
| 4553695 | Automatic damper means for air ducts In dwellings having a multiplicity of rooms that are warmed or cooled by a central heating/cooling device, automatic damper means are incorporated in each duct that transports the heating/cooling medium to said rooms; said damper means control and regulat... | 11/19/1985 |
| 4518116 | Automatic damper operator A motorized, automatic mechanism for installation in an air register damper housing attachable to damper blades for the purpose of converting said blades from a manual mode of operation to an electrically controlled operation through motor interlock with ... | 05/21/1985 |
| 4515306 | Four-terminal zone thermostat A manually and automatically operable four-terminal zone thermostat for use with automatic damper means when thermostatic means are required to operate fuel control means of a heating/cooling device and motor means rotating said damper means. The thermost... | 05/07/1985 |
| 4506825 | Solenoid operated damper blades Solenoid motor means for operating a multiple blade damper device; said blades being pivotally mounted in a common housing; said housing being constructed to reside in an open ended duct boot that is part of the duct network for the distribution of the he... | 03/26/1985 |
| 4483479 | Rationed heat control system A rationed heat control system with aquastat and circulator remote pushbutton activation for maintaining heat losses at minimum levels during periods of non-use while providing full heat capacity upon request for a predetermined time period.... | 11/20/1984 |
| 4474325 | Control circuit for heating system A control circuit for a heating system having a gas burner assembly, a heat absorbing coil, a heat releasing coil, a circulating pump for pumping a hydronic fluid between the two coils, and an air blower for the heat releasing coil is disclosed. The contr... | 10/02/1984 |
| 4446912 | Selected segment heating or cooling system A selected segment heating system including: means for heating a fluid; conduit means for conducting the fluid from the outlet to the return inlet of the means for heating through a plurality of areas; means, interconnected with the conduit, for moving th... | 05/08/1984 |
| 4433810 | Hot water heating system In contrast to reducing the temperature of the heat exchange medium or water so as to conserve on fuel consumption in response to an externally located thermostat or the like upon the occurence of favorable ambient weather conditions, said reduction in ac... | 02/28/1984 |
| 4417687 | Multi-blade automatic air register damper An automatically controlled multi-blade damper device for use in air registers installed over furnace duct boots terminating in recesses of floors, ceilings, or walls of dwellings; said boots being part of a central heating and/or air conditioning system.... | 11/29/1983 |
| 4413774 | Direct drive air register damper The present invention is concerned with an improved automatic, direction drive damper device constructed for installation over the terminal openings of furnace duct boots residing within room registers, said device being used as a part of a forced air hea... | 11/08/1983 |
| 4401260 | Self-operated air register damper A self-operating damper device constructed to be installed in open ended furnace duct boots which terminate in room registers, said device operating in parallel with multiple units as part of a forced air heating and cooling system for the purpose of cont... | 08/30/1983 |
| 4394958 | Air flow and condition responsive damper Apparatus for controlling the air flow from a register of a forced air heating system. The apparatus includes walls forming a housing or cover that is adapted to be fastened to and enclose an air outlet register. The walls also form an outlet opening, and... | 07/26/1983 |
| 4365742 | Heating system A heating system includes a water heating solid fuel stove operated in conjunction with a gas or oil fired hot water furnace. The two are connected in parallel and furnish heat to at least one heating zone and domestic hot water. In a first embodiment, a ... | 12/28/1982 |
| 4364512 | Zone heat control Each heating zone in a structure includes a thermostat controlling a valve feeding one or more heat delivering devices in a heat controlled zone in a structure. A controller periodically attempts to flow a fluid through the control valves and a flow senso... | 12/21/1982 |
| 4360003 | Wood burning hot water heater A heating device for supplying hot water to home heating systems and hot water faucet outlets in the home includes a combustion chamber which is adapted to burn wood fuel for supplying the necessary heat. The heating device comprises a base member contain... | 11/23/1982 |
| 4337891 | Electric control device for a central heating boiler An electric control device for a central heating boiler which is provided with a water pump or an air ventilator (6), a burner with an electrically operated shut-off valve (5) and an electric control circuit comprising a supply transformer (1) and a serie... | 07/06/1982 |
| 4298165 | Controls for heating system Apparatus for use in a heating system wherein an enclosed region is heated by hot water flowing through a heat exchanger disposed in the region, the hot water being supplied from a boiler heated by a furnace which is electrically actuated and deactuated, ... | 11/03/1981 |
| 4279381 | Method for uniformly heating a multi-level building A method is disclosed for uniformly regulating and controlling the temperature in a multi-level building utilizing a common heat source. Only a single thermostat is required. The thermostat is placed in the room as near the end of the longest conduit and ... | 07/21/1981 |
| 4230267 | Heating system for building structures An improved heating system for a building structure is described. The improved system utilizes heat generated by an enclosed natural fuel burning device such as an auxiliary furnace as a supplemental source for a standard (primary) furnace heating system.... | 10/28/1980 |
| 4153199 | Fireplace heating system A closed heating system for a building particularly adapted to be installed in a conventional fireplace for supplementing the heat generated by a conventional forced air heating unit. The heating system includes a grate having a log supporting water condu... | 05/08/1979 |
| 4019677 | Heating system for building structures An improved heating system for a building structure is described. The improved system utilizes heat generated by a fireplace as a supplemental source for a standard furnace heating system. The fireplace heat is used to heat water or another heat exchange ... | 04/26/1977 |
| 3948438 | Thermostat system The disclosure describes an improved thermostat for a heating or cooling system which is capable of accurately controlling the duration of the cycle periods of the system. The improved thermostat includes an anticipator capable of dissipating heat at a su... | 04/06/1976 |
