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| Number | Title | Issue Date |
| 8146833 | Method to control sleep operation of air conditioner A method to control the sleep operation of an air conditioner is provided. The method includes determining whether or not a sleep operation is activated and sequentially performing a plurality of sub-modes of the sleep operation when the sleep operation is activated... | 04/03/2012 |
| 8141791 | Energy management improvement for a heating system with reduced setpoint temperature during no occupancy based upon historical sampling of room thermal response with highest power heat applied A thermostat apparatus for controlling a heat pump with supplemental resistive heating as typically contained in a Packaged Terminal Air Conditioning (PTAC) unit is disclosed which provides improvements in energy management by reducing energy usage as much as possib... | 03/27/2012 |
| 8118237 | System and method for vehicle temperature control A vehicle includes a power connector configured to mate with an electrical power grid receptacle and receive a grid power therefrom and a heating and cooling system electrically connected to the power connector to receive grid power therefrom and configured to modif... | 02/21/2012 |
| 8109446 | Method of controlling a cell that is used for the rapid cooling of a cooked product in order to preserve same The invention relates to a method of controlling a cell that is used for the rapid cooling of a cooked product. The method includes the steps of taking a period measurement of an internal temperature of the product to be cooled and of the temperature of the ambient ... | 02/07/2012 |
| 7886985 | Domestic heat and power system This invention relates to domestic heat and power systems that allow efficient methods of operating a domestic combined heat and power (dchp) unit and to energy-efficient methods of scheduling domestic appliance operation within a household having a dchp unit. Dchp ... | 02/15/2011 |
| 7434742 | Thermostat capable of displaying received information A thermostat for controlling a climate control system is provided that comprises a network interface for establishing an Internet connection with a website of a remote service provider, and a microprocessor for controlling the operation of a climate control system. ... | 10/14/2008 |
| 7434415 | System and method for using hot gas reheat for humidity control A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a compressor, a condenser and an evaporator. A hot gas reheat circuit ... | 10/14/2008 |
| 7240851 | Thermostat fan and boiler timer A programmable timer circuit that can be connected directly to the fan switch of any thermostat with a forced air heating and/or cooling system that includes a blower fan for circulating air throughout the home. A programmable timer circuit that can be connected dir... | 07/10/2007 |
| 7185825 | Programmable thermostat employing a fail safe real time clock A programmable thermostat for controlling space conditioning equipment receives power from the equipment. The thermostat has an interactive interface for user programming, a temperature sensor and a processor including: a central processing unit; a memory for storin... | 03/06/2007 |
| 7114554 | Controller interface with multiple day programming A controller equipped with a user interface having multiple-day programming capabilities, including methods of programming such devices, are disclosed. The user interface may include one or more menus or screens that can be used to program a schedule for one or more... | 10/03/2006 |
| 7076961 | Control system with communication function and facility control system A control system with a communication function wherein: a central unit communicates 30 with a plurality of devices 11, 12, . . . , monitors and manages the operations of the devices; and each of the devices includes an input section for entering positi... | 07/18/2006 |
| 6991029 | Architectural dynamic control: intelligent environmental control and feedback system for architectural settings including offices A smart, adaptive control system that monitors and influences physical conditions of an architectural setting. The architectural setting in which the system is deployed typically includes a plurality of private spaces and at least one community space. The individual... | 01/31/2006 |
| 6196468 | Air conditioning and heating environmental control sensing system A device for controlling an HVAC system in which opening a door or window for more than a shutdown delay period causes the fan and compressor to be deactivated, but opening and closing the door or window for less than the shutdown delay period does not af... | 03/06/2001 |
| 5257958 | Pressure override control for air treatment unit A control for an air treatment unit, such as a space heater having a heat source and an air handler that draws air from outside the space and from within the space in order to form a combined stream of air that is discharged to the space. The control incl... | 11/02/1993 |
| 4696427 | Method of transforming a pre-existing heat installation, and control device for implementing the method The present invention relates to transforming a pre-existing heating installation comprising a main heat generator such as a boiler which is associated with a modulating mixer valve controlled by a P or PD type regulator which is responsive to outside tem... | 09/29/1987 |
| 4453590 | Duty cycle controller A duty cycle controller for an air conditioning system. Solid state switches are connected in series with the heating and cooling switches of a thermostat in circuits for energizing the cooling and heating subsystems, respectively, of an air conditioner. ... | 06/12/1984 |
| 4419021 | Multi-functional sensing or measuring system A multi-functional sensing and measuring system capable of detecting both temperature and humidity is fabricated from a porous metal-oxide ceramic whose dielectric constant varies with temperature and whose electric resistance varies with ambient humidity... | 12/06/1983 |
| 4378486 | Temperature controlled timer A temperature controlled timer useful for controlling the application of power to apparatus such as automobile block heaters or the like. In one embodiment the time of application of power prior to a shut off time is decreased with increasing ambient temp... | 03/29/1983 |
| 4077566 | Night setback-morning ready control system for unit ventilators The invention provides a system for transmitting operational command signals to one or more remote unit ventilator units from a master control panel. A number of selected command signals corresponding to operational modes such as occupied day, night setba... | 03/07/1978 |
