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| Number | Title | Issue Date |
| 7669431 | Cooling provisioning for heat generating devices A method for controlling cooling provisioning for heat generating devices includes correlating the heat generating devices with primary actuators, such that the heat generating devices are associated with primary actuators having at least a predefined level of influ... | 03/02/2010 |
| 7665319 | Fan control device and method A fan control device receives a target revolution signal to control a rotation speed of a fan. The device includes a temperature measuring module, a revolution modulating module and a driving module. The temperature measuring module generates a temperature value acc... | 02/23/2010 |
| 7640760 | Temperature control using a sensor network In a method for controlling temperature using a sensor network, the sensors of the sensor network are commissioned and one of a plurality of control schemes for operating a primary actuator configured to vary temperatures of the sensors based upon energy utilization... | 01/05/2010 |
| 7578138 | Heat exchanger optimization process and apparatus An electronic HEMD determines the optimum balance between gas cooling and heat exchanger pressure loss, for any given operating condition, and adjusts the gas flow rate through the exchanger accordingly, to yield the maximum net power savings (and thereby energy sav... | 08/25/2009 |
| 7513124 | Unitary air conditioner A unitary air conditioner comprises a 1-stage thermostat for generating an operation signal for the unitary air conditioner or a stop signal for the unitary air conditioner, a 1-stage indoor unit having an indoor fan, which is rotated according the operation signal ... | 04/07/2009 |
| 7490479 | Method and system of advanced fan speed control According to some embodiments, a method, system, and apparatus to provide thermal management control. In some embodiments, the method includes receiving, by a control mechanism, a plurality of temperature representative signals from a plurality of temperature sensor... | 02/17/2009 |
| 7434744 | Low voltage power line communication for climate control system A system for controlling one or more components of a climate control system is provided that includes one or more controllers in connection with low voltage power lines for powering the one or more controllers. The controllers are further capable of transmitting one... | 10/14/2008 |
| 7424806 | Method for auto-regulating fan speed The present invention relates to a method for auto-regulating the fan speed. The method includes detecting the temperature of a thermal source. When the temperature of the thermal source exceeds a target value, the fan speed of the fan is regulated according to a re... | 09/16/2008 |
| 7347167 | Method for controlling cooling fans A method for controlling a cooling system for an internal combustion engine having first and second cooling fans is provided, comprising operating the first cooling fan at a first rotational frequency which is greater than a combustion frequency of the internal comb... | 03/25/2008 |
| 7343752 | Thermostat abnormal state detecting apparatus When a temperature of cooling water detected by a water temperature sensor is, for instance, higher than, or equal to degrees, and is smaller than degrees, an abnormal state judging unit judges that an engine is under semiwarming-up condition, and then forcibly driv... | 03/18/2008 |
| 7331190 | Liquid/coolant system including boiling sensor Coolant systems, for power sources (e.g. internal combustion engines, fuel cells, and nuclear reactors) or microprocessors for example, are beneficially operated with coolant in a nucleate boiling state, but transitions to damaging film boiling are then possible. Th... | 02/19/2008 |
| 7325410 | IT equipment cooling A system for cooling gas heated by passing the gas over heat-producing equipment to cool the equipment comprises a heat exchanger including a first heat transfer mechanism configured to transfer heat from the heated gas to a first coolant, and a first condensing mod... | 02/05/2008 |
| 7313924 | Correlation of vent tiles and racks In a method for correlating vent tiles with racks, the vent tiles are opened to a first setting and the mass flow rates of air received by the racks and supplied through the vent tiles are determined. In addition, one of the vent tiles is closed to obtain a second s... | 01/01/2008 |
| 7310959 | Method for actuating a fan using a plurality of characteristic curves and a control program for controlling the power of the fan The present invention relates to control of a fan during which the power of the fan is determined from the characteristic curves of the fan motor, the operating parameters of the cooling system and the reference variables which are predefined in the form of temperat... | 12/25/2007 |
| 7310958 | Control of heat exchanger operation A method of controlling the operation of a heat exchanger with evaporative and non-evaporative sections. The method includes the following steps: providing desired values of temperature or pressure; comparing present values of temperature or pressure to the desired ... | 12/25/2007 |
| 7284382 | Apparatus and method for controlling a fan, cooling unit and a fresh air damper of an air conditioner through use of a Capno-Switch A fresh air controller interfaces directly with the electromechanical circuit of an air-conditioner to control its operating settings based upon detected Carbon Dioxide (CO2) level in Parts-Per-Million (PPM) using a “Capno-Switch” which is in essence a specially... | 10/23/2007 |
| 7275380 | Thermal management system and method A method for determining a fan speed for a fan used to cool a payload is disclosed. The method includes, according to various embodiments, receiving a first signal indicative of a first fan speed and receiving a second signal indicative of a system temperature. The ... | 10/02/2007 |
| 7275378 | Speed and system pressure control for cooling fan A method and system for controlling a cooling fan that cooperates with an air conditioning condenser in a vehicle. The present embodiments include steps and corresponding implementations for determining a speed of the vehicle, determining a discharge pressure of the... | 10/02/2007 |
| 7272945 | Environmental condition measurement system A system for detecting at least one environmental condition in a room. The system includes one or more detecting devices having a sensor configured to detect the at least one environmental condition and to display the detected at least one environmental condition. T... | 09/25/2007 |
| 7261241 | Heating and cooling energy saving device A system for regulating the temperature of multiple areas within a facility using multiple energy savings devices (ESD) that each regulate the temperature of individual rooms or areas within a facility having a central heating and cooling plant. The device includes ... | 08/28/2007 |
| 7259963 | Rack height cooling A data center includes an electronic equipment rack having a front face and a back face and a cooling unit positioned adjacent to the rack, the cooling unit having a front face and a back face, the cooling unit being configured to exhaust cooled air from the front f... | 08/21/2007 |
| 7251547 | Correlation of vent tile settings and rack temperatures In a method for correlating vent tiles with racks based upon vent tile settings and rack inlet temperatures, the vent tiles are set to a first setting, the first vent tile settings are recorded and the temperatures at the inlets of the racks are detected at the firs... | 07/31/2007 |
| 7222494 | Adaptive intelligent circulation control methods and systems Adaptive intelligent circulation control methods and systems are used to help increase the comfort and/or reduce energy usage and equipment wear. In one illustrative embodiment, the circulation and/or ventilation time is adjusted based on one or more environmental c... | 05/29/2007 |
| 7211977 | Pulse width modulation fan control In one embodiment, a fan control system includes a temperature-sensing device that is adapted to sense a temperature of a component and output a temperature feedback signal, and a pulse width modulation control circuit that is configured to receive the temperature f... | 05/01/2007 |
| 7207496 | Vent-blocking inflatable bladder for a retrofit HVAC zone control system An improved inflatable bladder for use as a zone climate control system valve to controllably permit and prevent airflow through a vent of a forced air HVAC system. The bladder is secured by a rigid strap which may be coupled to the vent near the vent opening. The b... | 04/24/2007 |
| 7204429 | Controller for forced-air HVAC system A forced-air HVAC system has an induction motor that drives its fan or blower. The motor is controlled by a circuit that causes the speed of the fan or blower to vary continuously whenever the HVAC system operates. The controller circuit includes temperature sensors... | 04/17/2007 |
| 7190142 | Apparatus and method for controlling fan drive in computer system Embodiments of an apparatus and method can control a fan drive in a computer system. Such embodiments of apparatus and methods can alternately output a plurality of pulse width modulation (PWM) control signals at a predetermined time ratio and variably control a rot... | 03/13/2007 |
| 7178351 | Heat exchanger optimization process and apparatus An electronic HEMD determines the optimum balance between gas cooling and heat exchanger pressure loss, for any given operating condition, and adjusts the gas flow rate through the exchanger accordingly, to yield the maximum net power savings (and thereby energy sav... | 02/20/2007 |
| 7165412 | IT equipment cooling A system for cooling gas heated by passing the gas over heat-producing equipment to cool the equipment comprises a heat exchanger including a first heat transfer mechanism configured to transfer heat from the heated gas to a first coolant, and a first condensing mod... | 01/23/2007 |
| 7162884 | Valve manifold for HVAC zone control A pressure and vacuum valve manifold system such as may be used, for example, to actuate pneumatic bladders controlling airflow in a forced air HVAC system to provide zone climate control. The valves are individually operable to connect a respective individual bladd... | 01/16/2007 |
| 7117129 | Commissioning of sensors A method for commissioning sensors includes determining correlation data between the sensors and a plurality of actuators. The correlation data is based upon conditions detected by the sensors at a plurality of actuator settings. Correlation indexes are calculated f... | 10/03/2006 |
| 7107762 | Secondary air supplying apparatus A secondary air supplying apparatus of the present invention comprises a secondary air supplying device for supplying secondary air to upstream of an emission purifying device in an exhaust system of an internal combustion engine, a coolant temperature sensor for de... | 09/19/2006 |
| 7101031 | Property of air determination within image-forming device A method of one embodiment of the invention is disclosed that determines a property of air within an image-forming device based on a measured change in air temperature within the device, the power supplied to a heating element of the device, and an air flow generate... | 09/05/2006 |
| 7100385 | Thermal management system for electrical enclosures To improve the thermal management of an enclosure for electrical equipment or the like, one or more wall-mounted panels are provided. An air-filled space between each panel and the adjacent wall, door, or ceiling has insulative behavior when the air in the space is ... | 09/05/2006 |
| 7086243 | Setting device of a force feedback type A setting device of a force feedback type has an operating unit commonly used to set a plurality of control items of an electronic device. To provide a different sensation to the operating unit depending on the control items, a force feedback pattern for an airflow ... | 08/08/2006 |
| 7044213 | Constant temperature refrigeration system for extensive temperature range application and control method thereof A constant temperature refrigeration system for extensive temperature range application comprising a refrigerator, a low-temperature heat exchanger, a medium-temperature heat exchanger, a high-temperature heat exchanger, a pump, a first solenoid valve, a second sole... | 05/16/2006 |
| 7040105 | Air conditioner and method of controlling air conditioner An air conditioner is provided that can reduce the occurrence of situations in which the comfort level of an occupant of a room is degraded. The air conditioner is capable of running in cooling mode and/or dehumidifying mode and is provided with an air delivery unit... | 05/09/2006 |
| 7040104 | Operating unit comprising at least one operating element for an air conditioning installation and/or an automatic air conditioning system The invention relates to an operating unit comprising at least one operating element, especially for adjusting the quantity of air, the temperature or the air distribution of an automatic air conditioning system, an automatic function and a manual adjustment functio... | 05/09/2006 |
| 7028607 | Frozen food masticating machine A device for masticating frozen foodstuffs such device having a housing; a motor installed inside the housing; and an inlet portion for introducing foodstuffs therein connected to a masticating chamber. A plunging device is attached such that a piston is inserted in... | 04/18/2006 |
| 7024871 | Strategy for minimizing noise perception in a vehicle The present invention provides a method for masking noise in a motor vehicle that has a component that produces noise when operated. The method of the invention comprises monitoring the speed of the vehicle, and increasing the movement of the moveable part when the ... | 04/11/2006 |