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| Number | Title | Issue Date |
| 7208700 | Heated construction box A construction box includes a power connector for connection to a power source and a heater constructed for generating heat within the construction box when connected to the power source. The construction box also functioning as a warmed seat. ... | 04/24/2007 |
| 7017828 | Blower assisted heating and defogging system for small aircraft For the purposes of increasing pilot visibility and comfort in small planes during winter conditions, this invention provides an auxiliary heating system. Prior to actual flight, that is to say that during start up, warm up, taxi and takeoff, a small aircraft does n... | 03/28/2006 |
| 7006943 | Method and apparatus for using an on-board temperature sensor on an integrated circuit An integrated circuit such as a processor measures its own temperature with a temperature sensor. The measured temperature is compared to an upper limit value stored in the integrated circuit. An output terminal of the integrated circuit is asserted according to the... | 02/28/2006 |
| 6904967 | Method and system for storm water system heat exchange A system and method for structure heating, ventilation, and air conditioning (HVAC) that uses a heat exchanger to transfer heat between the structure and a subsurface storm water discharge chamber system is disclosed. Coils for heat management exchange are located i... | 06/14/2005 |
| 6769482 | System and method for switching-over between heating and cooling modes A heating, ventilation and air conditioning (HVAC) device (104) which includes both heating and cooling operating modes provides an easy-to-use interface (110) for selecting the operating parameters of the device (104). The interface (110... | 08/03/2004 |
| 6382306 | Geometrical streamline flow guiding and heat-dissipating structure A geometrical streamline flow guiding and heat-dissipating structure is formed by a heat-transferring seat, a heat-dissipating device and a fan. The heat-transferring seat has at least one heat conductive surface for being connected to the heat source. Th... | 05/07/2002 |
| 6012515 | System and method for automatically controlling cabin air temperature in an aircraft A system and method for automatically controlling cabin air temperature TCBN in an aircraft having a cabin and a mixed air delivery system. The mixed air delivery system provides a flow of mixed air having an actual mixed air temperature into t... | 01/11/2000 |
| 5573180 | Protective thermostat A thermostat monitors the indoor air temperature indicated by the thermostat's indoor air temperature sensor. The monitored indoor air temperature must be within a predefined range of acceptable temperatures to be considered valid. In the event the monito... | 11/12/1996 |
| 5558436 | Thermally isolated room temperature sensing apparatus A thermally isolated flush mounted room temperature sensing apparatus has a sensor assembly with sensor elements mounted on a printed circuit board and generates a value that is indicative of the sensed temperature. The apparatus has a generally sealed bo... | 09/24/1996 |
| 5400852 | Operation mode setting apparatus for air conditioner An operation mode of an air condition is automatically set during an intermediate season so that the set operation mode can match the actual sensation of a user. A plurality of temperature zones are set defining a plurality of room-temperature ranges and ... | 03/28/1995 |
| 5239834 | Auxiliary outside air refrigeration system The invention pertains to an auxiliary outside air refrigeration system for use in combination with a conventional refrigeration system to supply refrigeration to an enclosure whereby cold outside air is used as the cooling medium. A differential thermost... | 08/31/1993 |
| 5197670 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration system having a refrigerant compressor driven by a prime mover. Electrical control maintains the temperature of a load in a conditioned space close to a desired set point via heating, cooling and null cycles... | 03/30/1993 |
| 5123254 | Air conditioning apparatus connecting one outdoor unit with several indoor units through several refrigerant tubes and signal conductors An air conditioning apparatus in which one outdoor unit is connected to several indoor units through respective refrigerant tubes and signal conductors. The outdoor unit has compressors for discharging refrigerant and an outdoor heat exchanger. Each outdo... | 06/23/1992 |
| 5105366 | Comfort control system and method factoring mean radiant temperature A comfort control system and method which determines the operating temperature set point for the environment to be controlled, in part by indirectly measuring the mean radiant temperature of the environment. A temperature sensor and relative humidity sens... | 04/14/1992 |
| 5076346 | Air conditioner A duct type of air conditioner wherein temperature in a plurality rooms are controlled independently, and which after having controlled opening and closing of dampers for the rooms, is capable of controlling air volume, controlling the opening and closing... | 12/31/1991 |
| 4998582 | Refrigerator system for a container A known refrigerating system for a container is improved to include container wrong or abnormal condition diagnostic facilities. Such additional facilities include a container inside temperature detector, a container outside temperature detector, a contro... | 03/12/1991 |
| 4940079 | Optimal control system for refrigeration-coupled thermal energy storage A refrigeration-coupled thermal energy storage control system includes apparatus and methodology for establishing target cooling and heating storage conditions, and selecting between cooling and heating modes, based upon outdoor temperature history, and f... | 07/10/1990 |
| 4938033 | Automatic air conditioning system for automotive vehicles An automatic air conditioning system for automotive vehicles including discharge outlets for discharging conditioned air comprises a plurality of louvers utilizing a number of fins, a discharge outlet actuator for controlling the fins, and a controller fo... | 07/03/1990 |
| 4930567 | Damper motor control circuit for an automotive air conditioning system An automotive air conditioning control system comprises a first control circuit for automatically controlling an angle of an air mix damper in accordance with a plurality of variable conditions, for example, an outside air temperature and an inside air te... | 06/05/1990 |
| 4852363 | Air conditioner humidity control system In an air conditioner for a motor vehicle, which, for the purpose of contling the humidity, has in the ir duct suitable devices, controlled by a microcomputer. The microcomputer receives values for outside temperature, inside temperature and inside humid... | 08/01/1989 |
| 4832258 | Measuring circuit for use in device for detecting ambient air temperature A device for controlling an opening angle of an air mixing damper used in an automotive air conditioning system is disclosed. The device has an actuator for operating the air mixing damper and a blower for blowing the air. The device comprises an ambient ... | 05/23/1989 |
| 4601329 | Automatic temperature control An automatic temperature control system and method for maintaining a predetermined temperature in an enclosed space, wherein the temperature in a heat sink is sensed and compared with the outside temperature to anticipate whether a heating or cooling mode... | 07/22/1986 |
| 4582124 | Automotive air conditioning system with automatic control of refrigerator compressor capacity and heater air mixing damper An automotive air conditioning system has refrigeration devices, heating devices and a single chip microcomputer. The refrigeration devices include a variable displacement refrigeration compressor drivingly connectable by an electromagnetic clutch to an a... | 04/15/1986 |
| 4560106 | Heating and/or air-conditioning installation for motor vehicles In a heating and/or air-conditioning system for motor vehicles with a temperature sensor in the head space and a temperature sensor in the leg space as component parts of an interior space temperature regulating installation, the temperature sensors are s... | 12/24/1985 |
| 4505426 | Room temperature control system responsive to movement by occupant and to ambient temperature In this system, a receiver having adjustable sensitivity to movement by a room occupant picks up continuously generated compressional waves of ultrasonic frequency reflected from the occupant. Movements of the occupant cause changes in frequency of the re... | 03/19/1985 |
| 4484619 | Vehicle temperature control system A heating and air conditioning control system having a compressor clutch cycle control feature for controlling the in-car temperature of a vehicle passenger compartment is disclosed. The system comprises an automatic temperature control (ATC) sensor (32) ... | 11/27/1984 |
| 4450897 | Air-conditioning method and system for an automotive vehicle An air-conditioning method and system controls the temperature of air outputted from an air conditioner outlet duct into the passenger compartment of a vehicle at a constant level, with a small time constant of recovery, by adjusting the air mix door open... | 05/29/1984 |
| 4401149 | Method and device for controlling an air conditioning system A method of and a device for controlling an air conditioning system in which an air-flow proportioning door is positioned between a heater unit and a refrigerant evaporator unit and is movable into and out of an angular position shutting off the flow of a... | 08/30/1983 |
| 4373350 | Heat pump control/defrost circuit The present invention relates to a self-contained air conditioning unit including a reversible refrigeration system and more particularly to a control system having a plurality of sensing means that are effective in maintaining operation of the unit in a ... | 02/15/1983 |
| 4353412 | Heating and cooling system Heating and cooling of dwelling houses and other confined spaces is facilitated by a system in which thermal energy is transported between an air heating and cooling system in the dwelling and a water heat storage sink or source, preferably in the form of... | 10/12/1982 |
| 4341345 | Method and apparatus for power load shedding A method and apparatus for the control of power consumption in individual space-conditioning loads fed by an electric power network utilizes a commandable, programmable temperature control device which gradually, substantially continually changes the cont... | 07/27/1982 |
| 4337818 | Vehicle temperature control system A heating and air conditioning control system havng a compressor clutch cycle control feature for controlling the in-car temperature of a vehicle passenger compartment is disclosed. The system comprises an automatic temperature control (ATC) sensor (32) w... | 07/06/1982 |
| 4332352 | Multistage thermostat using integral initiation change means A multistage thermostat is operated by comparing the thermostat setpoint and the sensed temperature over a continuous series of discrete intervals of time. When a sudden change occurs between the sensed temperature and the setpoint, the magnitude of this ... | 06/01/1982 |
| 4324288 | Level supply air temperature multi-zone heat pump system and method Apparatus and method are disclosed for providing a relatively constant temperature level flow of discharge air from a reverse cycle air conditioning system. Air temperature of the air being discharged from the indoor heat exchanger of the refrigeration ci... | 04/13/1982 |
| 4320872 | Anti-ice control system An anti-ice control system for controlling flow of heated air in response to the temperature of the heated air and ambient air.... | 03/23/1982 |
| 4311188 | Control method and apparatus for air conditioners In an electric control method and apparatus for an air conditioner, a digital computer is utilized to calculate the quantity of heat necessary for adjusting and maintaining the actual temperature in a compartment to a desired value. The computer is also p... | 01/19/1982 |
| 4289272 | Temperature control apparatus This invention is directed to a temperature control apparatus for an air-conditioning apparatus which does not require a manual operation in controlling the temperature of a house room relative to the outdoor temperature. The control apparatus utilizes a ... | 09/15/1981 |
| 4283007 | Multiple load integrated fluid control units A mixed air conditioning controller is formed as a factory assembled and adjusted unit in a compact housing, with simple and direct input/output field connectors. Various temperature and humidity input devices are field connected to produce a sequenced co... | 08/11/1981 |
| 4248051 | System and method for controlling air conditioning systems A system and method for controlling a refrigeration unit of an air conditioning system operating in connection with a given building environment so as to establish conditions providing a desired comfort level within the building environment, the system an... | 02/03/1981 |
| 4228846 | Control apparatus for a two-speed heat pump Apparatus and a method for controlling the operation of a multiple speed heat pump air conditioning system. Circuitry is provided to regulate the heat pump compressor motor for multiple speed compressor operation in both the cooling and heating modes of o... | 10/21/1980 |
