Class 165/254 - System selects heating or cooling mode automatically (e.g., responsive to season, ambient light, temperature in conditioned area, etc.)

Subclass of Class 165 - Heat exchange
Definition: Subject matter including a means for switching between heating
No. of patents: 62
Last issue date: 09/28/2010

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Number	Title	Issue Date
7802618	Thermostat operation method and apparatus A thermostat may be placed in a heating mode when the sensed temperature is less than the lowest of the heating and cooling target temperatures by a first amount and may be placed in a cooling mode when the sensed temperature is greater than the highest of the heati...	09/28/2010
7307245	Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements Various present invention devices enable adherence to requirements for medical items. A medical item of the present invention includes a monitoring or data recording device to monitor and/or record medical solution conditions. The device may further include indicato...	12/11/2007
7272452	Controller with configurable connections between data processing components A controller with configurable connections between data processing components that is optimized to provide a particular function such as temperature control is provided. In one embodiment, the controller includes a number of configurable inputs and outputs that may ...	09/18/2007
7264042	Spray cooling system for extreme environments A spray cooling system for extreme environments for providing a desired enclosed environment for electronic devices regardless of external environmental conditions. The spray cooling system for extreme environments includes an enclosure that isolates the electronic ...	09/04/2007
7243004	Self-configuring controls for heating, ventilating and air conditioning systems A system for self-configuring complex HVAC systems has each of several units provided with a microprocessor control. The several units are each available in various optional styles, sizes, etc. The microprocessors provide information to a central control of the part...	07/10/2007
7224586	Method of maintaining an IC-module near a set-point A system for maintaining an IC-chip near a set-point temperature while electrical power dissipation in the IC-chip is varied includes a container having an open end with a seal ring. Located in the container is at least one nozzle for spraying liquid coolant droplet...	05/29/2007
7119306	Food thawing cabinet and related methods In one aspect, a food thawing cabinet includes at least one thawing chamber and one or more wall blowers and a heater for producing a controlled high volume of air flow over food product, with the heater controlled in a cyclic manner. In another aspect, various adva...	10/10/2006
7110906	System and method for monitoring the performance of a heat exchanger The present invention is directed to a system and method for monitoring the performance of a heat exchanger. In accordance with the system and method, baseline values of a performance factor (E) for baseline sets of heat exchanger operating values are calculated and...	09/19/2006
7102374	Spray cooling thermal management system and method for semiconductor probing, diagnostics, and failure analysis A micro-spray cooling system beneficial for use in testers of electrically stimulated integrated circuit chips is disclosed. The system includes micro-spray heads disposed about a probe head. The spray heads and probe head are disposed in a sealed manner inside a sp...	09/05/2006
7089066	Distributed control systems and methods Distributed control systems and methods. An embodiment of distributed control system may comprise at least first and second nodes operatively associated with one another, the first node issuing a signal to at least the second node in response to an event. A load con...	08/08/2006
7055341	High efficiency cooling system and heat absorbing unit The cooling system allows the liquid coolant discharged from the pump to flow into the evaporation chamber. The liquid coolant passes through the atomizer. Minute droplets of the atomized coolant is discharged from the atomizer into the evaporation chamber. The minu...	06/06/2006
7006900	Hybrid cascade model-based predictive control system A hybrid cascade Model-Based Predictive control (MBPC) and conventional control system for thermal processing equipment of semiconductor substrates, and more in particular for vertical thermal reactors is described. In one embodiment, the conventional control system...	02/28/2006
7003379	Limit cycle autotuning method and heat/cool control apparatus In a limit cycle autotuning method, the first limit cycle of alternately outputting a heat-side manipulated variable set point and a cool-side manipulated variable set point is generated. The first control response corresponding to the first limit cycle is detected....	02/21/2006
6972557	Handler for testing semiconductor device Handler for testing a semiconductor device including a carrier unit for detachably holding, and carrying a plurality of devices, a test board having a plurality of test sockets for respectively coming into contact with the devices held at the carrier unit for testin...	12/06/2005
6904969	Time-bake cycle for a refrigerated oven A method of operating a refrigerated oven to cook a food item therein comprises the steps of A) determining the temperature of the cooking chamber in the refrigerated oven, B) producing cooled air in the refrigeration unit of the refrigerator oven for a first period...	06/14/2005
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
6883603	Method for controlling operation of refrigerator with two evaporators A method for controlling operation of a refrigerator having two evaporators is provided which allows food to be effectively stored in refrigerating and freezing chambers of the refrigerator. A Refrigerating-Freezing (RF) cycle and/or a Freezing (F) cycle of the refr...	04/26/2005
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
6681848	Method and apparatus for operating a thermostat to provide an automatic changeover A method and apparatus defines (302) a time period Ps following a completion of a demand for one of heating and cooling, the time period sufficient to allow a sensed room temperature Tr measured (309) by a thermostat (500) to stabilize after the completio...	01/27/2004
6449535	Method and system for adjusting a function in a vehicle In a multimedia information and control system for use in an automobile, at least one interface is employed which enables a user to access information concerning the automobile and control vehicle functions in an efficient manner. The user may select one ...	09/10/2002
6427772	Electronic refrigeration control system The present invention is direct to a system and method for electronically controlling the refrigeration and/or heating of the product storage compartment in a vending machine. The system includes a temperature sensor for sensing the temperature in the pro...	08/06/2002
6271024	Compartmental fast thermal cycler A fast thermal cycler has a temperature chamber divided into a top, hot compartment heated by heating lamps and a bottom cold compartment cooled by liquid nitrogen, for optimizing thermal cycling rates for devices under test, such as solar cells, for rapi...	08/07/2001
6223817	Electronic refrigeration control system The present invention is direct to a system and method for electronically controlling the refrigeration and/or heating of the product storage compartment in a vending machine. The system includes a temperature sensor for sensing the temperature in the pro...	05/01/2001
6220042	Method and device for motor vehicle heating and air conditioning monitoring windscreen misting The invention concerns a refrigerating fluid circuit capable of operating in three fluid circulation modes, namely an air conditioning mode whereby the fluid circulates successively in the evaporator where it is evaporated by receiving the heat of the air...	04/24/2001
6176305	Ventilator system and method The ventilator system and method use a isolating heat exchanger to selectively transfer heat between exhaust air leaving an enclosed space and outside air entering the enclosed space. The system operates in three basic modes, under the control of a microp...	01/23/2001
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
5819845	Temperature control method for a heating/cooling system A temperature control method and apparatus therefor controls an air temperature in a room by determining an error temperature between a set temperature and an actual room temperature. An auxiliary reference calorie is initially set as a previous state cal...	10/13/1998
5775415	Air conditioning system An air conditioning system for an automobile having an evaporator, in a refrigerating circuit, and a heater core which is located downstream from the evaporator in a duct having an inlet for introduction of air and an outlet for discharging the air into a...	07/07/1998
5697436	Proportional with variable bias batch reactor temperature control system An improved method of controlling the temperature of a batch reactor employing a cascaded master and slave controller architecture wherein the temperature of the reactor serves as the measured variable, MV1, in the master loop and the jacket te...	12/16/1997
5598886	Food display and preservation case A food display and preservation case comprising at least one support member provided with wheels and brakes. The support member houses heating and refrigeration equipment and control elements. The support member supports a center body or table which inclu...	02/04/1997
5579826	Method for burn-in of high power semiconductor devices A thermal control system for use with a burn-in system, the thermal control system capable of delivering a thermally preconditioned liquid to a plurality of semiconductor devices during burn-in. The thermal control system comprises a liquid reservoir cont...	12/03/1996
5447042	Multiple type absorption air conditioning system The capacity control range of an interior unit of a multiple type absorption air conditioning system is enlarged, and turning on and off of cooling/heating and switch over between the cooling and heating can be readily and safely performed. The capacity c...	09/05/1995
5341868	Operating device for air-conditioner A heat-pump type air-conditioner includes a potentiometer provided to output a voltage corresponding to a position of a slidable terminal movable on a register element. Based on the magnitude of the output voltage, one of a cooling mode, a stop mode and a...	08/30/1994
5217064	Temperature controlled pharmaceutical storage device with alarm detection and indication means A temperature-controlled pharmaceutical device includes a substantially enclosed and thermally insulated structure having at least one port which allows access to an enclosed storage area which has a storage temperature. A thermopile heat exchange unit is...	06/08/1993
4993480	Temperature controlling means for a thermostat for use in measuring viscosity Temperature controlling means for a thermostat for use in viscosity measurement including: a first thermometer detecting the temperature of a fluid sample which is immersed in a thermostat and whose viscosity is measured; a first controller obtaining the ...	02/19/1991
4962302	Control apparatus for automobile air-conditioners An apparatus for controlling an automobile airconditioner includes a discharge mode selection device for selecting a discharge mode depending on the magnitude of a discharge mode changeover criterion signal calculated based on at least a vehicle compartme...	10/09/1990
4909308	Changeover valve for a central air conditioning unit A valve is provided with one inlet and two outlets with one of the outlets being normally closed by a valve in the form of a film disc carried by a flexible blade. A magnetic pad secured to the blade is attracted by the proximity of an actuator carrier ma...	03/20/1990
4854726	Thermal stress screening system An environmental chamber for providing thermal stress screening is comprised of a plurality of modular components which may be quickly assembled and disassembled for ease of maintenance and repair. In particular, a heater/cooling unit is coupled by means ...	08/08/1989
4841738	Method and apparatus of automatically switching between cooling and heating modes of an air conditioner A method and an apparatus of automatically switching between cooling and heating of an air conditioner, has which is a first temperature higher than a desired room temperature, a second temperature which lower than the desired room temperature, a first te...	06/27/1989
4799176	Electronic digital thermostat A programmable electronic digital thermostat provides improved control of a temperature conditioning system for varying load conditions in order to maintain the ambient temperature within a predefined range of a scheduled set temperature while minimizing ...	01/17/1989

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Class 165/254 - System selects heating or cooling mode automatically (e.g., responsive to season, ambient light, temperature in conditioned area, etc.)