Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8151581 | System and method for controlling a vehicle engine Systems and methods to control an engine configured to drive a compressor of a vehicle air conditioning system having a desired temperature are provided. A time until a threshold is reached is determined based on an environment condition and a vehicle interior condi... | 04/10/2012 |
| 8146376 | System and methods for actively controlling an HVAC system based on air cleaning requirements An active air cleaning controller is connected to a forced air heating, ventilation and air conditioning (HVAC) system. The active air cleaning controller uses call signals from a thermostat to the HVAC system and/or sensor signals to determine when, and for how lon... | 04/03/2012 |
| 8104299 | Air conditioner An air conditioner includes an indoor heat exchanger (radiator) and a controller. The radiator causes heat radiation to be performed with respect to air from a supercritical refrigerant during heating operation. The controller controls a room temperature by causing ... | 01/31/2012 |
| 8079227 | Reduced compressor capacity controls A method of controlling the frequency of a compressor in a chiller system is disclosed. The method includes determining a nominal minimum frequency of a compressor, and providing a control algorithm for controlling the period of time and the deviation of the actual ... | 12/20/2011 |
| 8033125 | Air conditioner control device A control device includes a microcomputer and a storage element. The microcomputer is configured to execute an inspection operation mode in which an air conditioner is operated in inspection process in a manufacturing site, and a normal operation mode in which the a... | 10/11/2011 |
| 8011195 | Kimchi refrigerator and control method of the same A Kimchi refrigerator that applies cold shock to Kimchi stored therein at predetermined time intervals, while a keeping mode is performed, so as to improve the taste of the Kimchi, wherein the time intervals are changed, and a control method of the same are disclose... | 09/06/2011 |
| 7966836 | Cooling storage cabinet One aspect of the present invention includes a cooling storage cabinet having a compressor that is included in a freezing device, a heater that is connected in parallel with the compressor to a power source, a switch that controls supply of current to the compressor... | 06/28/2011 |
| 7908877 | Vehicle HVAC control A method of controlling a HVAC system for a hybrid vehicle having a refrigerant compressor driven by an engine is disclosed. The method may comprise: determining a requested air conditioning operating point for a passenger compartment; estimating a time to reach the... | 03/22/2011 |
| 7900463 | Method for controlling a food fast freezing process in a refrigerator and refrigerator in which such method is carried out A method of fast freezing a food item using a freezing process that estimates a temperature value of a food item, selects from a plurality of freezing routines based on the estimated temperature, and activates the selected routine. This process is repeated until the... | 03/08/2011 |
| 7757501 | Method for controlling a refrigerator appliance A method for controlling a refrigerator having at least two compartments and actuators adapted to maintain temperatures of said compartments close to predetermined set values comprises a comparison between a signal (CCR) indicative of the cooling request of each com... | 07/20/2010 |
| 7752856 | Monitoring and control system for air conditioner An air conditioning monitoring and control system includes an air conditioner, a first air conditioning monitoring and control device and a second air conditioning monitoring and control device. The first air conditioning monitoring and control device communicates w... | 07/13/2010 |
| 7621140 | Temperature control in a space served by multiple HVAC equipment A system and method for regulating the operation of first and second temperature modification sources for heating or cooling a building structure is provided. The system switches between the first and second temperature modification sources based on conditions other... | 11/24/2009 |
| 7571617 | Fan control apparatus and fan control method A fan control apparatus and method that sets a stop period constant at a starting time by adding a fan control in a time axis to a fan control by a temperature sensor. The fan control apparatus includes a temperature sensor that detects the temperature in the equipm... | 08/11/2009 |
| 7516622 | Method and apparatus for energy recovery in an environmental control system Control apparatus for an environmental control system comprises input circuitry receiving environmental information and output circuitry for controlling an HVAC system. Processing circuitry in the controller configures the output circuitry based at least in part on ... | 04/14/2009 |
| 7513123 | Unitary air conditioner and method of controlling variable operation thereof A unitary air conditioner comprises a 1-stage thermostat mounted in a room for generating an air conditioner ON/OFF signal, an indoor unit configured to operate based on a signal from the 1-stage thermostat, and a variable-capacity outdoor unit connected to the 1-st... | 04/07/2009 |
| 7469549 | Methods optimizing available energy in insulated packaging systems for door-to-door distribution in an unbroken cold chain An electronic device controlling available energy consumption during time by its communication with another electronic device measuring deviations between set up information and indicative information. The electronic devices, as a part of a physical system, includes... | 12/30/2008 |
| 7469550 | System and method for controlling appliances and thermostat for use therewith An energy saving control for appliances via an intelligent thermostat is provided. This intelligent thermostat provides programmatic control over the HVAC system, and provides coordinated control over the appliances. This control over the appliances is accomplished ... | 12/30/2008 |
| 7441414 | Method for pre-cooling automotive vehicle passenger compartment The present invention concerns a method for pre-cooling the passenger compartment of an automotive vehicle. The vehicle includes at least one electrically actuatable window and a HVAC system having at least a controller, a blower, a passenger compartment temperature... | 10/28/2008 |
| 7415833 | Control system for icemaker for ice and beverage dispenser A control system for an icemaker for an ice/beverage dispenser is responsive to both a sensed level of ice in an ice bin of the dispenser and to a customer ice usage profile to operate the icemaker at such times as to build ice for the ice bin just before and in suf... | 08/26/2008 |
| 7392661 | Energy usage estimation for climate control system An HVAC system controller which estimates the energy cost or savings incurred due to a user-instigated change in a climate control schedule. The HVAC system controller is adapted to operate a multi-zone climate control system in a building, and is especially adapted... | 07/01/2008 |
| 7370487 | Refrigerating cycle device capable of ensuring oil return Whether or not a flow rate of a circulating refrigerant is higher than a predetermined threshold value is judged and when the flow rate is higher than the predetermined threshold value, the discharge flow rate of a compressor 11 is controlled in accordance wi... | 05/13/2008 |
| 7360369 | Refrigerated food safety monitor A food refrigeration monitor includes a thermometer for measuring the temperature. A switch is operatively coupled to the thermometer and switches from a first state to at least a second state when a thermometer measures a temperature above a predetermined temperatu... | 04/22/2008 |
| 7356997 | Chilled water storage for milk cooling process The chilled water storage for milk cooling process encompasses methods for chilling liquids during off peak hours for later consumption, including a method for cooling the interior of a building while conserving energy during peak demand hours, in which water is chi... | 04/15/2008 |
| 7352147 | Power supply to provide operation power for cooling fans A power supply to provide operation power for cooling fans includes a non-stop power system to provide DC power in normal conditions to a remote switch control circuit to set a computer in an ON or OFF condition. The non-stop power system also outputs the DC power t... | 04/01/2008 |
| 7350364 | Evaporative cooling system for poultry houses and the like An evaporative cooling system for poultry houses and the like includes a cooling water reservoir, at least one evaporative pad positioned directly above the reservoir, and fan disposed on one side of the pad to draw ambient air horizontally through the pad to evapor... | 04/01/2008 |
| 7299644 | Refrigerator A refrigerator includes a housing that encloses at least one interior space, a low temperature generator or refrigerating machine for cooling the interior space, and a control device for receiving a target signal and for controlling the temperature of the interior s... | 11/27/2007 |
| 7290398 | Refrigeration control system A refrigeration system and method includes a refrigeration component and an electronics module preconfigured with a data set for the refrigeration component. The electronics module stores the data set including identification and configuration parameters of the refr... | 11/06/2007 |
| 7287393 | Central control system of air conditioners and method for operating the same A central control system controls peak power of multiple air conditioners that includes indoor units installed in rooms of a building and an outdoor unit for controlling refrigerant circulation. A central controller is connected to the multiple air conditioners via ... | 10/30/2007 |
| 7281386 | Residential ice machine An automatic ice making machine includes a refrigeration system comprising a compressor, a condenser, an evaporator and an expansion device; a water system comprising an ice forming surface in thermal contact with the evaporator; and a control system comprising i) a... | 10/16/2007 |
| 7272944 | Vehicle air conditioner with non-contact temperature sensor A vehicle air conditioner includes a non-contact temperature sensor for detecting a temperature in a predetermined area of a passenger compartment in non-contact, an air conditioning unit that controls an air conditioning state in the passenger compartment based on ... | 09/25/2007 |
| 7260451 | Air conditioner management system and converter unit therefor A converter unit connected to a monitor apparatus for monitoring and controlling a plurality of air conditioners, including: PAC transmission software for transmitting a setting data from the monitor apparatus regarding a running start/stop state, a running node, an... | 08/21/2007 |
| 7257954 | Function switching method, function switching apparatus, data storage method, data storage apparatus, device, and air conditioner An object of the present invention is to provide a technique capable of assembling a device in both of a first device performing a first function with a predetermined part and a second device performing a second function without a second part, and instructing each o... | 08/21/2007 |
| 7254958 | Refrigerator A refrigerator is provided which selectively opens or closes an inner cover according to the closing or opening of an auxiliary door. The refrigerator includes a refrigerator door to open or close a refrigerator storage chamber, a door storage space provided at an i... | 08/14/2007 |
| 7240500 | Dynamic fluid sprayjet delivery system An adaptable semiconductor chip cooling system having a readily openable enclosure defining a chamber configured to hold a printed circuit board carrying components to be cooled. Within the enclosure is a sprayer delivery system with a height-controllable sprayer fo... | 07/10/2007 |
| 7239034 | Engine driven power inverter system with cogeneration A combined heat and AC power generating system is disclosed having black start capability for the full time, simultaneous production of both electricity and heat. Heat generated within the system is captured and used for heating applications such as heating building... | 07/03/2007 |
| 7228694 | Cooling control system for an ambient to be cooled, a method of controlling a cooling system, and a cooler A cooling system for cooling an ambient to be cooled, a cooler and a method of controlling a cooling control system are described. The cooling control system comprises a variable capacity compressor and a controller, the controller measuring the load of the compress... | 06/12/2007 |
| 7222493 | Compressor diagnostic system A system and method for diagnosing and protecting a compressor includes a sensor, logic circuitry, a motor protector and an intelligent device. The logic circuitry is associated with the sensor and the motor protector and operable to determine a trip frequency of th... | 05/29/2007 |
| 7204093 | Central control system of air conditioners and method for operating the same A central control system includes a plurality of air conditioners and a central control unit connected to the air conditioners over a network. The air conditioners are installed in rooms of a building to provide air conditioning in the rooms. The central control uni... | 04/17/2007 |
| 7201220 | Air-conditioning unit without air-mix door An air conditioner for automotive vehicles is disclosed. The flow rates of air supplied to an evaporator (4) and a heater (5) are adjusted by rotationally displacing a scroll casing (2b) and thus changing an air flow from a blower (2 | 04/10/2007 |
| 7191826 | Variable speed fan motor control for forced air heating/cooling system A fan motor speed control system for controlling the fan motor speed of an air conditioning system includes a power output circuit including a power triac which is turned on and off by an opto-isolator connected to a pulse generator circuit for varying an AC voltage... | 03/20/2007 |
