Abstract: A pipe well; a ground water outlet pipe inserted into the pipe well; a submerged pump installed at the ground water outlet pipe; a heat exchanger in which the ground water is circulated and terrestrial heat of the ground water is heat-exchanged; a collection pipe collects the ground water circulated through the heat exchanger into the pipe well; a connection pipe which connects the submerged pump and the heat exchanger; an auto temperature bypass apparatus which is installed at the connection pipe to automatically bypass the ground water from the connection pipe when a temperature of the ground water arrives at a predetermined value; a discharge pipe through which the ground water bypassed is discharged; and a ground water restoration hole adjacent to the pipe well in which the discharge pipe is inserted to fill up the ground water nearby.

Abstract: A distributed refrigeration appliance system for use in a residential kitchen and other locations in a dwelling and includes multiple separate refrigeration appliance modules, a central cooling system and a cooling circuit. The system can also include one or more satellite stations having a heat exchanger and arranged for supplying chilled air to one or more refrigeration appliance modules. One or more refrigeration appliance modules can include a thermal cascade cooling device to cool the module to lower temperatures than the cooling circuit can attain. One or more refrigeration appliance modules can be refrigeration/storage modules that can provide refrigerated, unconditioned or heated storage space. The central cooling system can be a vapor compression system having a refrigerant circuit connecting the modules. Alternately, the central cooling system can cool a secondary cooling medium circuit.

Abstract: The present invention provides an apparatus for improving the fuel economy of a vehicle. The apparatus includes a transmission having a transmission sump that contains transmission fluid, and a heat exchanger disposed within said sump and at least partially submerged in the transmission fluid. The apparatus also includes an engine having a plurality of engine coolant channels. An engine pump is operatively connected to the engine. The engine pump is configured to transfer engine coolant through the plurality of engine coolant channels and then through the heat exchanger. Heat from the engine coolant is transferred to the transmission fluid when the engine coolant passes through the heat exchanger. The heat transferred to the transmission fluid decreases transmission fluid viscosity such that transmission spin losses are reduced and fuel economy is improved. A corresponding method for improving the fuel economy of a vehicle is also provided.

Abstract: A heat exchanger comprising at least one pipe (1) and at least one lamina (2), for exchanging heat between a first coolant that flows through the pipe (1) and a second coolant that wets the heat exchanger under the influence of centrifugal forces in order to be cooled and to be available to further cool a rotating machine element (3) that is situated in a housing (4). The heat exchanger is of approximately ring-shaped design, essentially surrounds the rotating machine element (3) and is integrated into the housing (4).

Abstract: One embodiment of the present invention is a method for setting and controlling temperature of a device that includes: (a) thermally contacting the device to a heat transfer apparatus, the heat transfer apparatus having an apparatus intake to receive thermal transfer fluid, an apparatus exhaust to output thermal transfer fluid, and a conduit to conduct thermal transfer fluid from the apparatus intake to the apparatus exhaust through the heat transfer apparatus; (b) flowing a first thermal transfer fluid in a first thermal control circuit at a first temperature, and flowing a second thermal transfer fluid in a second thermal control circuit at a second temperature; (c) at a first predetermined time, directing the first thermal transfer fluid to flow to the apparatus intake, and from the apparatus exhaust back to the first thermal control circuit and the second thermal transfer fluid to flow in the second thermal control circuit without flowing to the apparatus intake; and (d) at a second predetermined time, di

Abstract: Disclosed here is an air conditioner and the control method thereof comprising an outdoor unit having an outdoor heat exchanger for the heat exchanging of the outdoor air and refrigerant; at least one indoor unit corresponding to the outdoor unit and having indoor heat exchanger for the heat exchanging of the room air and refrigerant; an expansion valve installed on the refrigerant pipe connecting the outdoor heat exchanger and the indoor heat exchanger, and expanding the refrigerant; and a control device controlling the opening speed of the expansion valve in accordance with the operation modes of the indoor unit.

Abstract: 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 disclosed. The Kimchi refrigerator includes a cooling system to cool the interior of the refrigerator in which Kimchi is stored, and a control unit to control the cooling system to perform a cold shock operation in which the interior of the refrigerator is cooled to a cold shock temperature lower than a keeping temperature at predetermined time intervals, for a predetermined period of time, while a keeping mode is performed. The control unit changes the time intervals.

Abstract: A temperature control system for a building comprises a thermal collection system, a plurality of underground heat sinks, and a heat exchanger. The thermal collection system includes at least one fluid channel. The thermal collection system is configured to heat or cool fluid within the at least one fluid channel. A first and a second underground heat sink are configured to receive the fluid from the thermal collection system. The first underground heat sink absorbs heat from the fluid in order to heat the first underground heat sink. The second underground heat sink transfers heat to the fluid in order to cool the second underground heat sink. The heat exchanger is configured to receive fluid from the first or second underground heat sink in order to heat or cool the building.

Abstract: A double-tube heat exchanger that is easy to produce, the entire part of which is smoothly bent so that the heat exchanger works as a part of piping, and that has high pressure resistance. In the cross-section perpendicular to the axis of an inner tube (1), there are bag-like or ballon-like bulged sections (7a) directing radially from the center, and openings of the bulged sections (7a) are closed and the head of each bulged section (7a) is in contact with the inner surface of an outer tube (2).

Abstract: A temperature controlling apparatus that controls the temperature of a temperature-controlling object is disclosed. The temperature controlling apparatus includes an atmospheric coolant circulating line that circulates a coolant through a cooling path arranged at the temperature-controlling object; a heat transfer plate heater that heats the temperature-controlling object; and a coolant discharge part that discharges the coolant remaining in the cooling path when the circulation of the coolant is stopped. When the temperature of the temperature-controlling object is to be controlled to change from a low temperature to a high temperature, the circulation of the coolant is stopped and the coolant discharge part discharges the coolant remaining in the cooling path.

Abstract: A heat exchanger system includes a first fluid layer defining a first flowpath for a gas, a second fluid layer defining a second flowpath for a liquid, a first vapor cycle layer located between the first fluid layer and the second fluid layer for enabling heat transfer between the first and second fluid layers, a first boundary wall defining a shared boundary between the first fluid layer and the first vapor cycle layer, and a second boundary wall defining a shared boundary between the second fluid layer and the first vapor cycle layer. The first vapor cycle layer includes a working medium configured to transfer heat through an evaporation and condensation cycle, and the working medium of the first vapor cycle layer is sealed between the first and second boundary walls.

Abstract: A refrigerator, including a cabinet having top, bottom, rear and opposing side walls that collectively define a freezer compartment and a fresh food compartment, employs a cooling system and an air plenum to deliver a cooling air flow into the freezer and fresh food compartments. The air plenum includes a variable position air damper having a first, substantially straight portion and a second arcuate portion that forms an air scoop. The air damper is slidably mounted within the air plenum between first and second positions. The variable position air damper is selectively arranged in the first position to efficiently deliver a volume of the cooling air flow into the freezer compartment, the second position to deliver the cooling airflow into the fresh food compartment or in an infinite number of intermediate positions to deliver the cooling airflow into both compartments.

Abstract: A refrigeration system comprises a plurality of compressors and a plurality of condensing units comprising a first condensing unit having a first control module and at least one additional condensing unit having an additional control module. Each condensing unit has at least one compressor of the plurality of compressors. A communication link is connected to the first control module and at least one additional control module. The first control module controls the plurality of compressors based on communication with the at least one additional control module via the communication link.

Abstract: A smart rack having intelligent wireless climate sensors that detect and report one or more climate conditions is provided. The smart rack includes an enclosure that houses network elements and an array of intelligent wireless climate sensors that form a mesh network. The enclosure of the smart rack includes a console that displays climate measurements and notifications. The intelligent wireless climate sensors perform periodic climate measurements and detect climate conditions in the smart rack. When a climate condition is detected the console of the smart rack graphically displays the climate condition.

Abstract: The piping with a coolant inlet is provided with a partition wall within a body part. In the body part, a flow path having a U-turn region changing the flow direction of a coolant by about 180° degrees is defined. Much of the air contained in the coolant returning from a communicating hole to the body part floats up in a region leading to the U-turn region and is released from an inlet to the outside. By using this configuration, it is possible to provide a piping with a coolant inlet having a structure capable of efficiently releasing the air generated in a coolant circulation path.

Abstract: A climate control system for a storage unit. The system includes a reverse cycle chiller; a fluid supply line in fluid communication with an outlet of the fluid side heat exchanger; a fluid return line in fluid communication with an inlet of the fluid side heat exchanger and the fluid supply line; at least one hydronic coil in optional fluid communication with the fluid supply line and the fluid return line, the at least one hydronic coil located in a room to be controlled; a controller in communication with the reverse cycle chiller and the at least one hydronic coil; an ambient temperature sensor in communication with the controller; an ambient humidity sensor in communication with the controller; a room temperature sensor in communication with the controller, the room temperature sensor positioned in the room; and a room humidity sensor in communication with the controller, the room humidity sensor positioned in the room. A method of controlling the climate in a storage unit is also described.

Abstract: A refrigerator apparatus includes a housing with an interior chamber, thermoelectric devices that are thermally coupled to the interior chamber, and dual redundant electronics configured to generate and apply input power to the thermoelectric devices.

Abstract: A method for controlling a multi-unit air conditioning system adapted to cool or heat room spaces while passing a refrigerant in one direction or in a reverse direction is disclosed. In the method, which is applied to a multi-unit air conditioning system including at least three compressors, when a compressor re-operation is repeatedly carried out after all of the compressors have been turned off, to turn on again at least one of the compressors, repetition of the compressor re-operation is carried out for a predetermined number of different orders in such a manner that at least one of the compressors is turned on first in an associated order of the repeated compressor re-operation.

Abstract: The present invention is directed to a thermostatic water mixing valve having a sub-base coupled to a base, both having a hot water inlet, a cold water inlet and a mixed water outlet. A disk assembly including a lower or stationary disk and an upper or rotatable disk are positioned on the base. The lower disk also has a peripheral notch that receives an extent of an engaging member that extends from a sidewall of the base, while the upper disk has a peripheral cavity that also receives an extent of the engaging member. A cap is coupled to the upper disk, wherein the cap and the upper disk rotate as a unit with respect to the lower disk. The cap has a hot water cavity and cold water cavity positioned about a central opening. A cartridge assembly includes a collar with at least one aperture aligned with the cold water cavity of the cap and a depending skirt with at least one aperture aligned with the hot water cavity of the cap.

Abstract: A method to detect and respond to a coil condition in an HVAC system. The method includes calculating an initial airflow restriction value and a current airflow restriction value, which are compared. If the current airflow restriction value is greater than a first sum including the initial airflow restriction value and a first restriction factor, then a coil condition is preliminarily determined to be freezing and cooling in the HVAC system is stopped.