Abstract: Mechanical refrigeration system includes a compression device. The compression device has a pair of dual-action cylinders connected together by a movable rod thereof. A first cylinder acts as an element for compressing coolant fluid, for which purpose the rod is moved through the second cylinder, fed by a pressurised fluid that allows the flow of coolant fluid in the first cylinder and the flow of pressurised fluid of the second cylinder at the outlet of both devices to be constant, thus configuring a completely autonomous device that does not need electricity or any type of fuel.

Abstract: A redundant heat sink module can include a first independent coolant pathway and a second independent coolant pathway. The first independent coolant pathway can include a first inlet chamber, a first outlet chamber, and a first plurality of orifices extending from the first inlet chamber to the first outlet chamber and providing a first plurality of impinging jet streams of coolant against a first region of a surface to be cooled when pressurized coolant is provided to the first inlet chamber. The second independent coolant pathway can include a second inlet chamber, a second outlet chamber, and a second plurality of orifices extending from the second inlet chamber to the second outlet chamber and providing a second plurality of impinging jet streams of coolant against a second region of the surface to be cooled when pressurized coolant is provided to the second inlet chamber.

Abstract: A controller for a refrigerated display case includes processing circuitry configured to receive operational data from multiple refrigerated display cases and an ambient temperature reading from an ambient temperature sensor. The processing circuitry is configured to determine a limp level for a rack that includes the multiple refrigerated display cases based on the operational data and the ambient temperature reading. The processing circuitry is configured to determine an operational cooling parameter for each of the multiple refrigerated display cases based on the limp level. The operational cooling parameter indicates an amount of cooling or a corresponding cooling operation for each refrigerated display case. The processing circuitry is configured to operate each of the multiple refrigerated display cases using the operational cooling parameter.

Abstract: A thermoelectric cooling system includes a first circuit, a second circuit, a circuit heat exchanger, and a thermoelectric subsystem. The first circuit is configured to circulate a first refrigerant. The second circuit is configured to circulate a second refrigerant. The circuit heat exchanger includes a circuit heat exchanger first passage and a circuit heat exchanger second passage. The circuit heat exchanger first passage is coupled to the first circuit and configured to receive the first refrigerant from the first circuit and provide the first refrigerant to the first circuit. The circuit heat exchanger second passage is coupled to the second circuit and configured to receive the second refrigerant from the second circuit and provide the second refrigerant to the second circuit. The thermoelectric subsystem includes a thermoelectric subsystem first heat exchanger and a first thermoelectric cell. The thermoelectric subsystem first heat exchanger has a thermoelectric subsystem first heat exchanger passage.

Abstract: The invention is a snowmaking automation system and snowmaking automation modules for use with snowmaking guns and hydrants. Embodiments of the snowmaking automation modules described herein may be battery powered, and thus do not require fixed electrical infrastructure, but are designed to use such infrastructure if present on the mountain. In some embodiments, various components of the snowmaking automation system may be wireless and thus do not require hard-wired communications, for example between base stations, servers, databases, repeater nodes and remotely controlled snowmaking guns and hydrants with their snowmaking automation modules installed.

Abstract: Disclosed are a cooling device and a vehicle including the same. The cooling device according to one aspect of the present disclosure includes a housing part having a first hole formed at one side thereof and a second hole formed at the other side thereof, a heat exchange part accommodated in an internal space of the housing part and having one side communicating with the first hole and the other side communicating with the second hole, a thermoelectric element part provided above the heat exchange part, and a radiational cooling part provided above the thermoelectric element part and at least partially exposed to the outside.

Abstract: A cooling system of a vehicle, including a coolant circuit, which can be operated as a cooling circuit for an AC operation and as a heat pump circuit for a heating operation, an evaporator, a coolant compressor, a heat exchanger in the form of a coolant condenser or gas cooler for the coolant circuit or in the form of a heat pump evaporator for the heat pump circuit, a first expansion element which is paired with the evaporator, a second expansion element, the heat pump evaporator function of which is paired with the heat exchanger, and an inner heat exchanger with a high-pressure section and a low-pressure section. The low-pressure section is fluidically connected to the downstream coolant compressor. The high-pressure section of the inner heat exchanger is arranged in a coolant circuit section which connects the second expansion element to the heat exchanger.

Abstract: A beverage container holder assembly is adapted to be utilized in a vehicle for accommodating a beverage container. The beverage container holder assembly includes a duct pipe and a container holder. The duct pipe is disposed in front of an instrument panel of the vehicle and extended along a direction perpendicular to a front-rear direction of the vehicle. A first end of the duct pipe is connected to an air conditioner. The container holder is connected to a second end of the duct pipe opposite to the first end. The container holder has a recessed pocket facing an upper direction of the vehicle for removably inserting the beverage container therein, a first opening disposed between the container holder and the second end of the duct pipe, and a second opening facing toward the front-rear direction of the vehicle.

Abstract: The present disclosure redirects unused condensed liquid water from the HVAC system to the washer fluid system such that the washer fluid tank, which may be relatively small and light, does not have to be topped-off frequently. The washer fluid tank is constantly refilled, and the washer fluid supply does not have to be replenished with clean drinking water as often, preserving this important environmental resource. Vehicle sensor data and/or a mobile application usage algorithm control filling of the washer fluid tank, and optionally periodically add anti-freeze from an adjacent reservoir when necessary to maintain an operable washer fluid system even below 0 degrees C.

Abstract: A meat preservation apparatus and method allowed to broaden the ice temperature are provided. The second conveyor mesh belt is equipped with an ice temperature device, the right end of the second conveyor mesh belt is equipped with an ice temperature device, the ice temperature device comprises a base, a spinning disk is arranged above the base, and four moving plates that can move inside and outside are evenly arranged above the spinning disk, two first linear actuators are vertically arranged above each moving plate, an ice temperature box can move up and down between the two first linear actuators, conveyor belts are arranged in the ice temperature box, and the conveyor belts are driven by the first motor, a box door is set on an outside of the ice temperature box, and the box door is driven by a second motor.

Abstract: A heat pump water heater has a tank, a heat source, and a heat pump system. The heat pump system has a refrigerant path, at least a portion of which is in thermal communication with the water tank volume so that heat transfers from refrigerant to the water tank volume. A fan causes air to flow through a housing, and another portion of the refrigerant path includes an evaporator in the housing. The fan is within the housing and may further be within a second housing. The first housing may comprise a baffle to direct air flow. The fan may be a variable speed fan in communication with a controller, so that the controller controls the fan speed depending on a temperature of the refrigerant.

Abstract: Provided are a refrigerator and an energy-saving control method and apparatus therefor. The refrigerator includes an ice maker. The ice maker includes an ice discharge electric motor (1), an ice storage bin (2) and an ice storage bin position switch (3). The method includes: detecting and determining that the ice storage bin (2) is in a full ice state; controlling the ice maker so that same stops making ice, and acquiring the state of at least one of the ice discharge electric motor (1) and the ice storage bin position switch (3); and according to the state of at least one of the ice discharge electric motor (1) and the ice storage bin position switch (3), determining that the ice maker needs to do heating and ice detection actions.

Abstract: A thermal management system that includes an open-circuit refrigeration system having an open-circuit refrigerant fluid flow path is described. The open-circuit refrigeration system includes a receiver configured to store a refrigerant fluid, an evaporator configured to receive the refrigerant fluid at a evaporator inlet and to extract heat from a heat load that contacts the evaporator, and provide refrigerant vapor at a evaporator outlet. The open-circuit refrigeration system also includes a vapor pump device having a vapor pump inlet that receives the refrigerant vapor and having a vapor pump outlet that outputs compressed refrigerant vapor to an exhaust line coupled to the vapor pump outlet, with the receiver, the evaporator, the vapor pump device, and the exhaust line connected in the open-circuit refrigerant fluid flow path.

Abstract: A showcase with a two-story structure includes a body having an upper story storage chamber with a top opening formed on top thereof and first cold air introduction holes formed on the side surfaces thereof and a lower story storage chamber separately disposed adjacent to the underside of the upper story storage chamber and with a front opening formed on front thereof and second cold air introduction holes formed on the side surfaces thereof; upper doors for opening and closing the top opening of the upper story storage chamber; and drawers for slidingly opening and closing the front opening of the lower story storage chamber.

Abstract: The invention is directed to a method and a system for regenerating an endothermic salt composition from an aqueous solution thereof, said method comprising a) contacting a switchable-polarity compound with the aqueous solution of the endothermic salt composition to obtain a raffinate phase and an extract phase, wherein the raffinate phase comprises said endothermic salt composition in a higher concentration than said aqueous solution and said extract phase comprises the switchable-polarity compound and water; and b) separating the raffinate phase and the extract phase into a separated raffinate and a separated extract. The endothermic salt can be used in systems for cooling food, milk, medicines and/or air.

Abstract: A thermostat assembly powered by line voltage and capable of wireless communication with a heat source, comprising a first portion and a second portion separated by a barrier. The first portion receives power via internal housing wiring at a first high voltage level and converts the power from the first high voltage level to a second low voltage level. The second portion is removably connected to the first portions to receive power at the second low voltage level, which powers at least a temperature sensor that measures an ambient temperature of an outside environment and a communication chip for wireless communication with a primary heat source. The barrier inhibits dissipation of heat between the first and second portions to reduce an effect of a temperature of the first portion on the temperature sensor, and prevents a user from contacting any high voltage components when the second portion is removed.

Abstract: An air conditioner indoor unit is provided. The indoor unit has a housing, a volute and a first heat exchanger. The housing is provided with an installation cavity. The volute is installed in the installation cavity. An air outlet of the volute is inclined towards a bottom of the installation cavity. The first heat exchanger is installed in the installation cavity corresponding to the air outlet. The first heat exchanger extends from a bottom of the volute to a top of the volute. An air inlet cavity is defined by the volute, the first heat exchanger and the bottom of the installation cavity.

Abstract: A system includes a flash tank and a thermal storage tank. The flash tank is configured to store refrigerant and discharge a flash gas. The thermal storage tank is fluidically coupled to the flash tank and configured, when a power outage is determined to be occurring, to receive at least a portion of the flash gas from the flash tank, and remove heat from the flash gas. When a power outage is determined not to be occurring, the thermal storage tank directs refrigerant to a compressor.

Abstract: A vacuum adiabatic body and a refrigerator are provided. The vacuum adiabatic body may include a sheet base provided in a direction crossing a vacuum space between a first plate and a second plate, and at least one sheet protrusion that protrudes from the sheet base in at direction toward one of the first plate or the second plate to maintain an interval between the sheet base and the one of the first plate or the second plate.

Abstract: An AC outdoor equipment cover is a protective shade cover for window air conditioners. The device is made from a lightweight durable material, that is both portable and collapsible for shipping and subsequent storage. The device slips around and over the upper part of a window mount air conditioner by forming a sloped cover from the outer distal edge of the external air conditioner housing and the window or building structure above the unit. It is envisioned that this cover will be at an approximate angle of thirty degrees (30°).