Class / Patent application number | Description | Number of patent applications / Date published |
062081000 | By utilizing working fluid of refrigeration producer | 44 |
20080229763 | Heat exchanger and method for defrosting a heat exchanger - A heat exchanger and method for defrosting a heat exchanger is disclosed and which includes a heat exchanger having a fluid receiving conduit, and at least one space which is defined, at least in part, by the fluid receiving conduit, an expandable and contractible heating element which is received within the space, and which is located in heat transmitting relation relative to the fluid receiving conduit, and a biasing member mounted on the heat exchanger and the heating element and which longitudinally, and resiliently restrains the movement of the heating element relative to the heat exchanger during the expansion and contraction of the heating element relative to the heat exchanger. | 09-25-2008 |
20080264075 | Heat pump system with extended run time boost compressor - A heat pump system is disclosed that utilizes a primary compressor, a booster compressor, and a controlled heat exchanger heat exchanger fluidly connected between the boost compressor output and the primary compressor input. The controlled heat exchanger functions to reduce the temperature of the refrigerant entering the primary compressor, thereby allowing the booster compressor to operate for longer periods without overheating the primary compressor. Increasing compressor run times improves both the heat pump efficiency and extends the compressor lifespan. The heat energy may be diverted away from the primary compressor to a hydronics system for heating an indoor space. Additionally, heat energy may be withdrawn from the hydronics system to defrost the outdoor coil of the heat pump system. The periods of compressor inactivity may also be extended by withdrawing heat energy stored in a hydronics tank. | 10-30-2008 |
20090320504 | Method for Defrosting an Evaporator in a Refrigeration Circuit - Method for defrosting an evaporator in a refrigeration circuit ( | 12-31-2009 |
20100170270 | AIR CONDITIONER AND DEFROSTING OPERATION METHOD OF THE SAME - An air conditioner is provided, in which some of a plurality of outdoor heat exchangers implement a defrosting operation and others implement a heating operation. The air conditioner includes a compressor to compress refrigerant, a hot gas pipe to which a part of the refrigerant compressed in the compressor is moved, a 4-way valve to which the remaining refrigerant compressed in the compressor is moved, an indoor heat exchanger in which the refrigerant, having passed through the 4-way valve, undergoes heat exchange with indoor air, and a plurality of outdoor heat exchangers, some of which implement a heating operation as the heat-exchanged refrigerant from the indoor heat exchanger is moved therethrough while others implement a defrosting operation as the refrigerant having passed through the hot gas pipe is moved therethrough. | 07-08-2010 |
20100205984 | Integrated Refrigerating/Freezing System and Defrost Method - A medium and low-temperature integrated refrigeration/freezing system ( | 08-19-2010 |
20100229575 | DEFROST SYSTEM AND METHOD FOR HEAT PUMPS - A system and method for defrosting an air source heat pump are presented. A defrost conduit extends from the discharge from a system compressor to the outdoor coil. The defrost conduit includes a normally closed defrost valve. When the need for defrost exists, the defrost valve is opened, and warm refrigerant is delivered from the compressor discharge to the outdoor coil to effect defrost of the outdoor coil. | 09-16-2010 |
20100242505 | METHOD FOR CONTROLLING A REFRIGERANT DISTRIBUTION - A method for controlling a refrigerant distribution in a vapour compression system, such as a refrigeration system, e.g. an air condition system, comprising at least two evaporators. The refrigerant distribution determines the distribution of the available amount of refrigerant among the evaporators. While monitoring a superheat, SH, at a common outlet for the evaporators, the distribution of refrigerant is modified in such a manner that a mass flow of refrigerant to a first evaporator is altered in a controlled manner. The impact on the monitored SH is then observed, and this is used for deriving information relating to the behaviour of the first evaporator, in the form of a control parameter. This is repeated for each evaporator, and the refrigerant distribution is adjusted on the basis of the control parameters. The impact may be in the form of a significant change in SH. Alternatively, the control parameter may reflect a change in SH occurring as a result of the modification of the distribution of refrigerant. | 09-30-2010 |
20100287961 | REFRIGERATOR AND CONTROL METHOD FOR THE SAME - A refrigerator and a control method of the same are disclosed. A refrigerator includes a plurality of evaporators and a refrigerant path conversion device connected with the plurality of the evaporates, the refrigerant path conversion device controlling a path of refrigerant to perform defrosting operations for predetermined evaporators and cooling operations for the other evaporators. | 11-18-2010 |
20100300122 | Refrigerating Circuit And Method Of Selectively Cooling Or Defrosting An Evaporator Thereof - A Refrigerating circuit according to the invention comprises a compressor, a condenser/gas cooler, an expansion device ( | 12-02-2010 |
20100307172 | REFRIGERANT SYSTEM WITH REHEAT REFRIGERANT CIRCUIT - A refrigerant system is provided that includes a cooling refrigerant circuit, a reheat refrigerant circuit, an evaporator fan, and a controller. The evaporator fan forces indoor air in a first direction and a second direction. The indoor air passes across the evaporator before the reheat coil, in the first direction, but passes across the reheat coil before the evaporator, in the second direction. The controller, when in a conventional cooling mode, controls the reheat refrigerant circuit so that the reheat refrigerant circuit is not in fluid communication with the cooling refrigerant circuit and controls the evaporator fan to force the indoor air in the first direction. Conversely, the controller, when in a defrost mode, controls the reheat refrigerant circuit so that the reheat refrigerant circuit is in fluid communication with the cooling refrigerant circuit and controls the evaporator fan to force the indoor air in the second direction. | 12-09-2010 |
20110011104 | Defrost system and method for a subcritical cascade R-744 refrigeration system - A cascade refrigeration system using a first refrigerant or a high stage and a second, R-744, refrigerant for low stage refrigeration has a defrost system including a defrost compressor, a defrost inlet heat exchanger and defrost outlet heat exchanger. The defrost inlet heat exchanger receives a defrost portion of second refrigerant and adds an additional defrost heat load thereto from first refrigerant, thus evaporating defrost portion. Defrost portion is then compressed into high pressure defrost vapor potion in the defrost compressor. The defrost vapor portion is then circulated through a selected evaporator, where a defrost heat, augmented by additional defrost heat load, defrosts selected evaporator, defrost vapor being at least partially condensed into defrost condensed portion which is liquefied in defrost outlet heat exchanger. | 01-20-2011 |
20110100031 | Device and method for operating a refrigeration cycle with noncondensable gas addition. - The present invention relates to a device and method for operating a refrigeration cycle with the addition of noncondensable gas. | 05-05-2011 |
20110252816 | REFRIGERATOR ICEMAKER MOISTURE REMOVAL AND DEFROST ASSEMBLY - An icemaker moisture removal and defrost assembly is provided in a refrigerator. Cooled refrigerant is provided to a refrigerant loop within an icemaker to cool an ice making cavity and a moisture removal portion of the icemaker. Moisture laden air from a refrigerator compartment is directed through airflow channels defined by a plurality of fins extending from the moisture removal portion of the icemaker, whereby moisture condenses on the fins in the form of ice. Dry air exiting the airflow channels is directed across an evaporator and back into the refrigerator compartment. During a defrost event, a heater within the icemaker is used to melt the ice formed on the fins. Alternatively, hot gas from a compressor is used to heat a refrigerant line flowing through the evaporator and/or the icemaker to melt ice formed on the evaporator and/or the icemaker during a defrost event. | 10-20-2011 |
20120023975 | REFRIGERATOR AND CONTROL METHOD THEREOF - A control method includes determining whether to perform a defrosting operation of an evaporator, closing a valve to prevent refrigerant from moving into the evaporator if implementation of the defrosting operation is determined, performing a refrigerant collecting operation, and opening the valve upon completion of the defrosting operation. Intercepting a flow path of the refrigerant to prevent the refrigerant from moving into the evaporator during defrosting prevents explosion due to leakage of the refrigerant. | 02-02-2012 |
20120036873 | Low Ambient Cooling Kit for Variable Refrigerant Flow Heat Pump - Systems and methods for low ambient air temperature cooling in air-source based heat pump systems wherein an outdoor heat pump unit includes a discharge hood positionable over its fan. The hood including a damper that is openable and closeable as a function of outside temperature. The outdoor unit may also include wind deflectors positioned over the coil openings of the disclosure. During cooling operations below a low outside air threshold temperature, e.g., below 23° F., the damper assembly partially closes to reduce airflow across the condenser coil of the outdoor unit to a level below that which is possible at minimum fan speed. As the outdoor temperature continues to drop, the damper assembly continues to close to further reduce airflow. | 02-16-2012 |
20120055182 | CO2 REFRIGERATION SYSTEM | 03-08-2012 |
20120067068 | Receiver fill valve and control method - A heat pump includes a valve system that connects a receiver tank in fluid communication with an indoor heat exchanger, wherein the valve system, operating under a novel control scheme, works in conjunction with the receiver to control the heat pump's effective refrigerant charge. To avoid suction or discharge pressure faults and to help prevent slugs of liquid refrigerant from entering the heat pump's compressor as the heat pump switches between heating and cooling modes or switches between heating and defrost modes, the control scheme provides momentary periods of transition between those modes of operation. In some embodiments, the valve system comprises a check valve connected in parallel flow relationship with a two-position receiver valve, wherein the check valve has an appreciably higher flow coefficient than that of the receiver valve. | 03-22-2012 |
20120102985 | CONDUCTIVE SURFACE HEATER FOR A REFRIGERATOR - A heater is provided for elevating the temperature of a surface of a refrigerator above the dew point of air surrounding the surface so as to avoid condensation. Heat energy is recovered from the refrigeration cycle of the refrigerator by using a portion of the appliance's refrigeration loop to provide heat to the desired surface. A conductive element is connected with the desired surface and also placed into contact with a heated portion of the refrigeration loop to conduct heat energy therebetween. The surface and conductive element may be selectively removed and replaced from the refrigerator without the use of electric heating elements as conventionally required for removable surfaces. | 05-03-2012 |
20120312033 | Condenser Evaporator System (CES) for Decentralized Condenser Refrigeration System - A condenser evaporator system includes: a condenser constructed for condensing a gaseous refrigerant from the source of compressed gaseous refrigerant; a controlled pressure receiver for holding liquid refrigerant; a first liquid refrigerant feed line for conveying liquid refrigerant from the condenser to the controlled pressure receiver; an evaporator for evaporating liquid refrigerant; and a second liquid refrigerant feed line for conveying liquid refrigerant from the controlled pressure receiver to the evaporator. The condenser evaporator system can be provided as multiple condenser evaporator systems operating from a source of compressed gaseous refrigerant. | 12-13-2012 |
20130019617 | DEFROST FOR TRANSCRITICAL VAPOR COMPRESSION SYSTEM - A method of defrosting a transcritical vapor compression system having a compressor for compressing a refrigerant, a first heat exchanger for cooling the refrigerant during a cooling mode, an expansion valve for decreasing the pressure of the refrigerant, and a second heat exchanger for cooling a space during the cooling mode. The method includes attaining a superheated refrigerant condition in a defrost mode of the transcritical vapor compression system and defrosting the second heat exchanger in the defrost mode by directing the superheated refrigerant to the second heat exchanger without bypassing the first heat exchanger. | 01-24-2013 |
20130098076 | HIGH PERFORMANCE REFRIGERATOR HAVING DUAL EVAPORATOR - A high performance refrigerator includes a cabinet with a unitary refrigerated interior and a refrigeration fluid circuit having first and second evaporators located within the cabinet and separated from the refrigerated interior by respective first and second evaporator covers. The refrigerator also includes a first damper controlling flow between the first evaporator and the refrigerated interior, and a second damper controlling flow between the second evaporator and the refrigerated interior. A controller directs the refrigerator to operate a three-way valve in the refrigeration fluid circuit so as to direct refrigerant to only one of the evaporators when the other requires defrosting. Both evaporators may be used to remove heat from the unitary refrigerated interior during an initial cooling or immediately after the cabinet is opened. | 04-25-2013 |
20130118188 | METHOD OF DEFROSTING AN ENERGY RECOVERY VENTILATOR UNIT - A method of defrosting an energy recovery ventilator unit. The method comprises activating a defrost process of an enthalpy-exchange zone of the energy recovery ventilator unit when an air-flow blockage in the enthalpy-exchange zone coincides with a frost threshold in the ambient environment surrounding the energy recovery ventilator unit. The method also comprises terminating the defrost process, including terminating the defrost process when an operating condition in the vicinity of the enthalpy-exchange zone substantially returns to a pre-frosting operating condition. | 05-16-2013 |
20130139528 | HEAT-PUMP AUTOMOTIVE AIR CONDITIONER AND DEFROSTING METHOD OF THE HEAT-PUMP AUTOMOTIVE AIR CONDITIONER - A refrigerant cycle ( | 06-06-2013 |
20130160471 | REFRIGERATION APPARATUS AND METHOD - Methods and apparatus for an energy efficient freezer or cooler defrost, which are particularly suited for an automated system, include procedures utilized for this purpose. The procedures are included in the firmware of an embedded controller and operate the cooler or freezer defrost cycle when required for increased energy efficiency. | 06-27-2013 |
20130174589 | Surged Heat Pump Systems - Surged heat pump systems, devices, and methods are disclosed having refrigerant phase separators that generate at least one surge of vapor phase refrigerant into the inlet of an evaporator during an on cycle of the compressor. This surge of vapor phase refrigerant, having a higher temperature than the liquid phase refrigerant, increases the temperature of the evaporator inlet, thus reducing frost build up in relation to conventional refrigeration systems lacking a surged input of vapor phase refrigerant to the evaporator. The temperature of the vapor phase refrigerant is raised in relation to the liquid phase with heat from the liquid by the phase separation, not by the introduction of energy from another source. The surged heat pump systems may operate in highest heat transfer efficiency mode and/or in one or more higher temperature modes. | 07-11-2013 |
20130180269 | AIR CONDITIONER AND METHOD FOR CONTROLLING THE AIR CONDITIONER - An air conditioner ( | 07-18-2013 |
20130291571 | METHOD FOR REDUCING TRANSIENT DEFROST NOISE ON AN OUTDOOR SPLIT SYSTEM HEAT PUMP - A method for reducing perceived defrost noise in a heat pump is provided. The method may include energizing a fan configured to urge a heat transfer medium across a heat exchanger, and initiating a defrost cycle to warm the heat exchanger. Initiating the defrost cycle may include de-energizing a compressor fluidly coupled to the heat exchanger, and delaying for a first delay period with the fan energized and the compressor de-energized. Initiating the defrost cycle may also include energizing a reversing valve after the first delay period, to reverse a flow of a refrigerant flow between the compressor and the heat exchanger, and delaying for a second delay period with the fan energized, the compressor de-energized, and the reversing valve energized. Initiating the defrost cycle may also include de-energizing the fan. The method may also include defrosting the heat pump during the defrost cycle, and terminating the defrost cycle. | 11-07-2013 |
20130312436 | HEAT PUMP WITH IMPROVED DEFROST CYCLE AND METHOD OF DEFROSTING A HEAT EXCHANGER - Heat pumps with improved defrost cycles, methods of defrosting heat exchangers, and methods of improving the effectiveness of defrost cycles of heat pumps, for example, having a microchannel outdoor heat exchanger. A defrost valve in a refrigerant conduit opens during a defrost cycle to deliver hot refrigerant gas to a portion of the heat exchanger that otherwise defrosts more slowly or less completely than other portions of the heat exchanger. Particular embodiments pass hot refrigerant gas through a header of the heat exchanger, such as a bottom header. In a number of embodiments, the defrost valve is open only during a portion of the defrost cycle. Further, in some embodiments, the fan that is used to blow air through the heat exchanger is operated in a reversed direction during at least part of the defrost cycle to counteract natural convection through the heat exchanger. | 11-28-2013 |
20130312437 | Flash Defrost System - A vapour compression refrigeration system includes a compressor ( | 11-28-2013 |
20140026601 | Defrosting A Heat Exchanger In A Heat Pump By Diverting Warm Refrigerant To An Exhaust Header - Heat pumps with improved defrost cycles and methods of defrosting heat exchangers, for example, having microchannel outdoor heat exchangers. A heat exchanger has three types of connection points that are used during a defrost cycle. Two connection points are used to deliver hot refrigerant gas to the heat exchanger and one connection point is where refrigerant exits the heat exchanger. Two of the connection points are at the same header and during at least part of the defrost cycle, at least part of the hot refrigerant gas is passed through that header without passing through any cross tubes of the heat exchanger. A defrost valve in a refrigerant conduit opens during the defrost cycle to deliver hot refrigerant gas to the connection point on the header. In a number of embodiments, the defrost valve is open only during a portion of the defrost cycle. | 01-30-2014 |
20140157801 | CONDENSER EVAPORATOR SYSTEM (CES) FOR DECENTRALIZED CONDENSER REFRIGERATION - A condenser evaporator system includes: a condenser constructed for condensing a gaseous refrigerant from the source of compressed gaseous refrigerant; a controlled pressure receiver for holding liquid refrigerant; a first liquid refrigerant feed line for conveying liquid refrigerant from the condenser to the controlled pressure receiver; an evaporator for evaporating liquid refrigerant; and a second liquid refrigerant feed line for conveying liquid refrigerant from the controlled pressure receiver to the evaporator. The condenser evaporator system can be provided as multiple condenser evaporator systems operating from a source of compressed gaseous refrigerant. | 06-12-2014 |
20140190189 | UNITARY HEAT PUMP AIR CONDITIONER HAVING A COMPRESSED VAPOR DIVERSION LOOP - Disclosed is a unitary heat pump air conditioner (HPAC) system having a refrigerant diversion loop configured to supply sufficient heat to defrost an external heat exchanger while not materially affecting the supply of heat to the passenger compartment of a vehicle. The HPAC system includes a refrigerant loop configured to pump heat from a cold coolant loop that scavenges heat from the external heat exchanger to a hot coolant loop that supplies heat to the passenger compartment. The refrigerant loop includes a condenser in thermal communication with the hot coolant loop, evaporator in thermal communication with the cold coolant loop, and a compressor to cycle the refrigerant through the refrigerant loop. The refrigerant loop further includes means to selectively divert at least a portion of the hot compressed refrigerant exiting the compressor directly to the evaporator to heat the cold coolant loop sufficient to defrost the external heat exchanger. | 07-10-2014 |
20140196484 | Defrosting A Heat Exchanger In A Heat Pump By Diverting Warm Refrigerant To An Exhaust Header - Heat pumps with improved defrost cycles and methods of defrosting heat exchangers, for example, having microchannel outdoor heat exchangers. A heat exchanger has three types of connection points that are used during a defrost cycle. Two connection points are used to deliver hot refrigerant gas to the heat exchanger and one connection point is where refrigerant exits the heat exchanger. Two of the connection points are at the same header and during at least part of the defrost cycle, at least part of the hot refrigerant gas is passed through that header without passing through any cross tubes of the heat exchanger. A defrost valve in a refrigerant conduit opens during the defrost cycle to deliver hot refrigerant gas to the connection point on the header. In a number of embodiments, the defrost valve is open only during a portion of the defrost cycle. | 07-17-2014 |
20140260363 | LOW AMBIENT COOLING KIT FOR VARIABLE REFRIGERANT FLOW HEAT PUMP - Systems and methods for low ambient air temperature cooling in air-source based heat pump systems wherein an outdoor heat pump unit includes a discharge hood positionable over its fan. The hood including a damper that is openable and closeable as a function of outside temperature. The outdoor unit may also include wind deflectors positioned over the coil openings of the disclosure. During cooling operations below a low outside air threshold temperature, e.g., below 23° F., the damper assembly partially closes to reduce airflow across the condenser coil of the outdoor unit to a level below that which is possible at minimum fan speed. As the outdoor temperature continues to drop, the damper assembly continues to close to further reduce airflow. | 09-18-2014 |
20150013354 | HOT LIQUID WASH DEFROSTING METHODS AND SYSTEMS - The present disclosure, in one embodiment, relates to a defrosting apparatus comprising a manifold, wherein the manifold is adapted to expel a liquid onto an evaporator component. The apparatus further comprising one or more cold liquid pipes adapted to deliver the liquid to a container, the container comprising a mechanism for heating the liquid. And the apparatus also comprising one or more heated liquid pipes adapted to deliver the liquid from the container to the manifold. The present disclosure includes a computer with tactile monitor, machine vision, video cameras for inspecting, reporting and acting to defrost the freezer evaporator(s), and WiFi capabilities. Freezer access and inventory tracking is controlled by a second camera built onto the outward facing tactile monitor. Facial, pattern, and voice recognition is built into this device to provide reliable security and inventory control. | 01-15-2015 |
20150020533 | Air-Conditioning Loop Functioning As A Pulse Electro-Thermal Deicing Heat Pump - The invention relates to an air-conditioning loop for heating, ventilation, and/or air-conditioning equipment in which a coolant circulates. The loop including a compressor comprising a coolant outlet connected to a delivery pipe and a coolant inlet connected to a suction pipe. The loop also including an internal heat exchanger which is capable of functioning at least as a condenser, and which is connected to the compressor via the delivery pipe. The loop also including an external unit which is connected to the compressor via the suction pipe and which includes at least one external heat exchanger capable of functioning at least as an evaporator, with the internal heat exchanger being connected to the external unit via a first intermediate duct comprising at least one pressure-release member. The loop includes a deicing pipe connected to the compressor and/or to the delivery pipe, as well as to the external unit. | 01-22-2015 |
20150040589 | AUTOMATIC CONTROL METHOD USED FOR DEFROSTING A HEAT PUMP FOR A VEHICLE - A control method for a heat pump system, or for a motor vehicle, which includes a compressor, an internal heat exchanger forming a condenser in a heating mode, an expansion valve, an outer heat exchanger forming an evaporator in the heating mode, and an accumulator. The defrosting of the outer exchanger is detected, the defrosting of the accumulator is detected, and depending on the case, defrosting the outer exchanger and/or defrosting the accumulator is started. | 02-12-2015 |
20150121913 | HEAT PUMP DEVICE - During heat applying operation, both an air-source heat exchanger that exchanges heat with the atmosphere as a heat source and an earth-source heat exchanger that uses geothermal heat as a heat source serve as evaporators to collect heat from the atmosphere and the geothermal heat. During defrosting operation, while a four-way valve is switched to cause the air-source heat exchanger to serve as a radiator, and the earth-source heat exchanger to serve as an evaporator to collect the geothermal heat, and the collected geothermal heat is collected in the main circuit via the sub-circuit. | 05-07-2015 |
20150143826 | REFRIGERATION SYSTEM AND METHODS FOR REFRIGERATION - A refrigeration system includes: a compressor arrangement for compressing gaseous refrigerant from a first pressure to a second pressure, wherein the second pressure comprises a condensing pressure; a first condenser evaporator system and a second condenser evaporator system, where in the first condenser evaporator system and the second condenser evaporator system are arranged in parallel and each comprises: (1) a condenser for receiving gaseous refrigerant at a condensing pressure and condensing the refrigerant to a liquid refrigerant, where in the condenser comprises a gaseous refrigerant inlet, a plate and a liquid refrigerant outlet, and a water delivery system for delivering water to an outside of the plate for removing heat from the plate; (2) a controlled pressure receiver for holding the liquid refrigerant from the condenser; and (3) an evaporator for evaporating the liquid refrigerant from the controlled pressure receiver to form the gaseous refrigerant; a first gaseous refrigerant feed line for feeding the gaseous refrigerant at the second pressure from the compressor arrangement to the plurality of condenser evaporator systems; and a second gaseous refrigerant feed line for feeding gaseous refrigerant from the plurality of condenser evaporator systems to the compressor arrangement. A process for feeding multiple condenser evaporator systems provided, and a cartridge condenser is provided. | 05-28-2015 |
20150292786 | METHOD AND APPARATUS FOR THE DEFROSTING OF AN EVAPORATOR IN CONNECTION WITH AN AIR HANDLING UNIT - Method and device for defrosting of an evaporator ( | 10-15-2015 |
20150377540 | REFRIGERATOR AND METHOD OF CONTROLLING THE SAME - A refrigerator includes a main body having a storage compartment, a door provided at the main body, a refrigerating portion which refrigerates the storage compartment using a compressor, a condenser, a depressurizer and an evaporator which are connected with a refrigerant pipe, and a heat transfer portion having a first flow passage portion which is disposed adjacent to the refrigerant pipe of the refrigerating portion and receives heat from the refrigerant pipe, and a second flow passage portion which is disposed at a front surface of the main body with which the door comes in contact and to which heat of the first flow passage portion is transferred. As a first cycle for refrigerating the storage compartment and a second cycle for providing heat to the front surface of the main body are provided separately preventing a decrease in refrigerating capability and an increase in power consumption. | 12-31-2015 |
20160010913 | Surged Heat Pump Systems and Methods | 01-14-2016 |
20160025403 | TEMPERATURE REGULATING SYSTEM AND METHOD OF DEICING THE TEMPERATURE REGULATING SYSTEM - In one example, a temperature regulating system, the system comprising temperature regulating device including a hot side and a cold side; and an icing sensor disposed on the cold side and which provides an output which changes based on a condition of the cold side; wherein the system is configured to detect, via the output of the icing sensor, icing of the cold side during a temperature regulating operation, and initiate deicing of the cold side based on the detection of the icing of the cold side. | 01-28-2016 |
20160187041 | SUBLIMATION DEFROST SYSTEM AND SUBLIMATION DEFROST METHOD FOR REFRIGERATION APPARATUS - A sublimation defrost system for a refrigeration apparatus including: a cooling device in a freezer, and includes a casing containing a heat exchanger pipe; a refrigerating device for cooling and liquefying a CO | 06-30-2016 |