Abstract: A pre-wired auxiliary power circuit (45, 47) is built into a transport refrigeration system for supplying electrical power to an optional auxiliary system when installed in connection with the transport refrigeration unit. A low cost safety interlock (70) is provided in association with the auxiliary power circuit.

Abstract: A high performance refrigerator includes a cabinet with a refrigerated interior, a refrigeration fluid circuit having an evaporator located within an insulated evaporator compartment outside the cabinet, and at least one damper that opens to permit air circulation from the refrigerated interior through the evaporator compartment. The refrigerator also includes a eutectic member configured to melt at an operating temperature of the refrigerator. The evaporator cools the refrigerated interior to a temperature below the operating temperature so that the eutectic member melts to cool the refrigerated interior or the evaporator compartment during a defrost cycle. The insulated evaporator cover limits heat transfer into the refrigerated interior during the defrost cycle to avoid temperature spikes in the refrigerated interior.

Abstract: A cooling system has a cooling circuit that includes an evaporator disposed in a cabinet, a condenser, a compressor, an electronic expansion valve and a liquid pump. a direct expansion mode and a pumped refrigerant economizer mode. When the cooling system is in the pumped refrigerant economizer mode, the controller controls a temperature of the refrigerant to a refrigerant temperature set point by regulating a speed of a fan of the condenser, controls a temperature of air in a room in which the cabinet is disposed to a room air temperature setpoint by regulating a speed of the liquid pump, and maintains a pressure differential across the liquid pump within a given range by regulating an open position of an electronic expansion valve.

Abstract: An axial flow fan and an air conditioner including the axial flow fan, where the axial flow fan includes a plurality of blades. The blades include corrugated parts on ends thereof. The corrugated parts include at least one of convex portions or the concave portions.

Abstract: A hybrid vehicle comprises an internal combustion engine, a traction motor, a starter motor, and a battery bank, all controlled by a microprocessor in accordance with the vehicle's instantaneous torque demands so that the engine is run only under conditions of high efficiency, typically only when the load is at least equal to 30% of the engine's maximum torque output. In some embodiments, a turbocharger may be provided, activated only when the load exceeds the engine's maximum torque output for an extended period; a two-speed transmission may further be provided, to further broaden the vehicle's load range. A hybrid brake system provides regenerative braking, with mechanical braking available in the event the battery bank is fully charged, in emergencies, or at rest; a control mechanism is provided to control the brake system to provide linear brake feel under varying circumstances.

Abstract: Disclosed herein is an outdoor unit for an air conditioner which improves heat exchange performance. The outdoor unit includes a main body having a suction hole for allowing air thereinto and a discharge hole for discharging air therefrom; a heat exchanger disposed within the main body, executing heat exchange with the air flowing through the outdoor unit; a suction fan provided at the suction hole side of the main body to generate upstream air flow into the outdoor unit; and a discharge fan provided at the discharge hole side of the main body to generate downstream air flow out of the outdoor unit.

Abstract: The present invention relates to a reagent refrigerator which comprises a reagent refrigerator compartment including reagent storing trays; an upper housing a cooling equipment compartment and a cooling purification compartment; a side duct defined by a side partition having a through hole at the side of the reagent refrigerator; one each of a second side duct, separately defined by a side partition having a through hole at the other side thereof, and a rear duct, separately defined by a rear partition having a through hole at the rear side thereof; and an upper duct having one end communication with the upper portion of the second side or rear side, and the other end communicating with the cooling purification compartment. Accordingly, refrigeration temperature of the reagent refrigerator can be controlled, and circulation flow in the reagent refrigerator is improved, to thereby purify the air therein and minimize deviations from refrigerator temperature values.

Abstract: The cooling apparatus (10) for electronic-device exhaustion includes an evaporator unit (201), a fluid piping (306) and a vapor piping (305). A plurality of evaporator units (201) is disposed in a rack (100) in the height direction, and have a dimension in height of any of 2 U, 3 U, and 4 U with 1 U being 44.45 mm. The evaporator unit causes a coolant fluid thereinside to vaporize and produce a coolant vapor by heat of the exhaust air from an electronic device loaded in the rack (100), and cools the exhaust air. The fluid piping (306) is a supply route of the coolant fluid to the evaporator units (201), the vapor piping (305) is a discharging route of the coolant vapor from the evaporator units (201), and both are commonly connected to the plurality of evaporator units (201).

Abstract: A rapid beverage chilling apparatus includes an inner reservoir, an electrical compartment, an impeller, a control wire cord, an outer reservoir, and a plurality of attachments. The inner reservoir includes a concentrically positioned beverage cavity and a plurality of drain holes. The electrical compartment, which includes a battery and a motor, is electrically connected with the wire cord. The electrical compartment also connected with the impeller and connected within the beverage cavity by the plurality of attachments. In order to chill a beverage container, the beverage container has to be positioned within the beverage cavity and placed on top of the impeller. When the rapid beverage chilling apparatus is switched on, the battery powers the motor which rotates the impeller. The impeller transports cold water from the outer reservoir, through the plurality of drain holes, into the beverage cavity to chill the beverage container.

Abstract: A device for extracting water contained in the air by condensation is provided. The device includes: a fan for creating an air flow; a heat transfer fluid evaporator for condensing the water in the air flow created by the fan; and a compressor for compressing the heat transfer fluid evaporated by the evaporator, which compressor is placed in the air flow downstream of the evaporator. A system for producing drinking water from the air is also provided, which includes the aforementioned water extraction device. The system can be used to produce water from the air, with an improved performance.

Abstract: Described in this application for patent is a novel method and apparatus for providing cooling to an aircraft galley. The aircraft galley is cooled by means of a central aircraft cooling line, including a phase change cooling system and a ram air heat exchanger.

Abstract: In certain embodiments, a system comprises an evaporator unit operable to receive an incoming airflow and a flow of refrigerant from an expansion device. The evaporator unit generates a cooled airflow by facilitating heat transfer from the incoming airflow to the flow of refrigerant. The cooled airflow has an absolute humidity less than an absolute humidity of the incoming airflow. The system further comprises a subcooler unit operable to receive the cooled airflow generated by the evaporator unit and the flow of refrigerant from a condenser unit located exterior to a structure. The subcooler unit generates an outgoing airflow by facilitating heat transfer from the flow of refrigerant to the cooled airflow, the outgoing airflow having a relative humidity less than a relative humidity of the cooled airflow. The system further comprises a supply fan operable to provide the outgoing airflow to the structure.

Abstract: A refrigeration system uses a plurality of cross blowers or air blower turbines place upon either side of a unique cross flow motor. A moveable air flow diverter allows the system to be configured for most industrial and home use applications.

Abstract: A motor control device controls a fan motor, and controls a motor speed so as to maintain a predetermined airflow value. For this, the motor control device includes an input terminal for inputting a first operation parameter indicating the motor speed or a second operation parameter indicating a motor torque. Moreover, the motor control device includes a motor-speed target value arithmetically-operating unit that calculates, using a predetermined airflow value and the motor torque, a necessary modified value for the motor speed at the predetermined time intervals. Further, the motor control device includes an output terminal that outputs an instruction speed of the motor based on the necessary modified value.

Abstract: A centrifugal fan mounted in an air conditioner has the following relationship: outer diameter of a side plate of the centrifugal fan > outer diameter of the blade rear-edge part on side-plate side > diameter of the blade rear-edge part on main plate side ? outer diameter of the main plate. In the centrifugal fan, the blade rear-edge part is positioned inside from a straight line connecting the connection point between the blade rear-edge part and the main plate, to the connection point between the blade rear-edge part and the side plate, as viewed from the rotation axis. The blade rear-edge part has a shape such that the distance from the rotation axis becomes larger from the main plate toward the side plate.

Abstract: An outdoor unit of an air conditioner for facilitating setting of an electrical component box into the outdoor unit. A blower chamber 10 side of a box base plate 62 is similar in shape to the a lower partition plate 50 provided with a receiving part 50a formed by bending inward an upper end of the lower partition plate 50. When joining an electrical component box 60 to the lower partition plate 50, the box base plate 62 is set onto the receiving part 50a along a flange 62a, whereby positioning the electrical component box 60, which is fixed to the lower partition plate 50 by fastening with a screw, welding, or other suitable method. The positioning can be achieved only by putting the box 60 on the receiving part 50a along the flange 62a. Facilitated positioning and fixing leads to simplicity and enhanced workability.

Abstract: In order to give a simple appearance design to an interior panel (10) for an air conditioner (1) of the type having a couple of juxtaposed air inlet (11) and air outlet (12) and to eliminate the need for a complicated mechanism or behavior for implementing the design, the interior panel (10) is provided with: an opening cover (15) covering the couple of air inlet (11) and air outlet (12) together; and an opening/closing mechanism for opening and closing the couple of air inlet (11) and air outlet (12) by changing the position of the opening cover (15) within a region including the couple of air inlet (11) and air outlet (12). The opening/closing mechanism is a mechanism for turning the opening cover (15) about a central axis (O) located between the couple of air inlet (11) and air outlet (12).

Abstract: An air cooling system includes a heat exchanger, an inlet duct, an outlet duct, and an outlet header. The inlet duct is fluidly connected to the heat exchanger and is configured to direct relatively warm air from the cabin into the heat exchanger. The outlet duct is fluidly connected to the heat exchanger and configured to direct relatively cool air out of the heat exchanger and back to the cabin. The outlet header is located between the heat exchanger and the outlet duct. The outlet header has a shape configured to collect water from the cool air.

Abstract: The present invention relates to a refrigerator unit and/or a freezer unit having at least one compartment located in the interior space of the refrigerator unit and/or freezer unit, wherein means are provided for air moistening by means of which the relative humidity in the compartment can be set.

Abstract: To obtain an air conditioner having a lower-noise centrifugal fan capable of improving product reliability during transportation and execution properties of installation, with reduced packaging materials in favor of environment. The shape of a blade is formed so that when a blade edge positioned on the downstream side of the blowing direction is designated as a blade rear-edge, the centrifugal fan has a relationship of the outer diameter of the side plate>the outer diameter of the blade rear-edge on the side of a side plate>the outer diameter of the blade rear-edge on the side of a main plate?the outer diameter of the main plate, and the blade rear-edge is located inside of a straight line connecting a connection point between the blade rear-edge and the main plate to a connection point between the blade rear-edge and the side plate relative to the rotation axis of the fan, and the distance between the blade rear edge and the rotation axis increases toward the side plate from the main plate.

Abstract: Provided are an axial flow fan and an air conditioner outdoor unit including the axial flow fan. The axial flow fan includes a hub and blades disposed on an outer surface of the hub. Each of the blades satisfies that a shortest distance measured from an imaginary line (L2) passing through a center of the hub to a front end of an outer edge of the blade is greater than a shortest distance measured from the imaginary line (L2) to a rear end of the outer edge of the blade. The front end of the outer edge of the blade is a leading end in a rotation direction of the blade, and the rear end of the outer edge of the blade is a trailing end in the rotation direction of the blade. Owing to the shape of the blade, noise can be reduced while increasing the flowrate of air.

Abstract: Embodiments of systems, apparatus, and/or methods can provide a damper assembly for transport refrigeration systems. One embodiment can include a damper assembly including a damper door configured to operate in a first position (e.g., closed), a second position (e.g., open), and at least one intermediate position. In one embodiment, a plurality of intermediate positions can be used to controllably vary a capacity of the transport refrigeration unit, or at least one component thereof. Embodiments of systems, apparatus, and/or methods can provide a damper assembly that can be accessed though an ambient portion of transport refrigeration systems or components.

Abstract: A self-starting type axial gap synchronous motor includes a stator in which plural small stators are arranged on the same circumference; disc-shaped rotors in each of which plural permanent magnets facing the stator are arranged on the same circumference; and a shaft coupled to the rotors. Each of the disc-shaped rotors includes a metal frame that is provided so as to surround the plural permanent magnets arranged on the same circumference, and each of the metal frames is configured using a nonmagnetic and conductive material. Accordingly, it is possible to obtain a self-starting type axial gap synchronous motor that can be started by a commercial electric power without using an inverter, and a compressor and a refrigeration cycle apparatus using the same.

Abstract: An air moving unit, an HVAC system and an enclosed plug fan unit are disclosed. In one embodiment, the air moving unit includes: (1) a plug fan with a blower wheel and (2) a circulation enclosure. The circulation enclosure includes: (2A) a back side and (2B) a front side having an inlet orifice corresponding to an intake area of the plug fan, the front side coupled to top, left and right sides that extend therefrom to the back side to form the circulation enclosure, wherein the blower wheel is located within the circulation enclosure and the plug fan is mechanically coupled to at least one side thereof.

Abstract: A refrigeration system includes a refrigeration housing having an enclosed evaporation chamber and a water storage structure formed of a water pan or water pans, a water-filling pipeline extending from the outside the refrigeration housing to the evaporation chamber for guiding water to each water pan and having installed therein a water intake control valve controllable to open/close the water-filling pipeline, an air-intake pipeline extending from the outside of the refrigeration housing to the evaporation chamber and having installed therein an air-intake control valve controllable to open/close the air-intake pipeline, one or a number of heat sink pipelines extending from the outside of the refrigeration housing to each water pan for heat exchange with the storage water, and an exhaust pipeline extending from the outside of the refrigeration housing to the evaporation chamber and having installed therein a pump controllable to draw air out of the evaporation chamber.

Abstract: A portable air conditioning and heating supply system that utilizes ambient fresh air. The apparatus comprises of a cabinet having an upper chamber and a lower chamber. The lower chamber holds a refrigerant air conditioning system and the upper chamber holds a blower that supplies cold air by way of an exterior attached hose, specified for the system. The user is able to control the temperature of the conditioned air by means of a control panel and the air flow rate by a blower control switch.

Abstract: Disclosed is an air conditioner coated by the coating composition to the resin-made components where due formation occurs upon the cooling operation, provides the antifouling performance against various stains, restrains enlargement of droplet, and provides an excellent long-term durability (sticking property and peeling off property) all at the same time. The air conditioner of the present embodiment forms a coating film 103 to surfaces of resin-made components and resin-made components installed to a rear flow side of the heat exchanger, includes the silica ultrafine particles 101 and the fluororesin particles 102, and provides, within the coating film 103, a silica film 104 comprising the silica ultrafine particles and the fluororesin particles 102 partially exposed from a surface of the silica film 104 in dots, and an exposed area of the silica film 104 is greater than an exposed area of the fluororesin particles 102.

Abstract: A system and method for reducing noise in an automotive heating, ventilation, and cooling system is described. A noise attenuation device using radial vanes upstream of a flow discontinuity, such as a bend in the ducting, and downstream of a blower fan is used to reduce noise.

Abstract: A self-contained, portable refrigeration unit having a construction arrangement which enables it to be compatible with several models, types and variations of refrigeratable compartments. This refrigeration unit is represented by a refrigeration module (1) capable of being removably fitted into a refrigeratable compartment, comprising a first housing (100) and a second housing (200) associated with each other. The first housing (100) is in contact with the inside of the refrigeratable compartment and the second housing (200) is in contact with the outside of the refrigeratable compartment, and in some embodiments of the present invention, the first housing (100) is capable of moving in relation to the second housing (200). The first housing (100) interfaces the refrigeration module (1) with the inside of the refrigeratable compartment. The second housing (200) interfaces the refrigeration module (1) with the outside of the refrigeratable compartment.

Abstract: A refrigerator includes a refrigerator main body having a storage space to store foods and a machine room to accommodate a part of a refrigerant compression cycle apparatus, a condenser disposed between a bottom surface of the refrigerator main body and a lower surface of the storage space, at least one compressor disposed within the machine room, and a blow fan to form an air passage through which external air passed through the condenser is supplied into the compressor and discharged out of the machine room.

Abstract: A direct cooling refrigerator having a circulation duct. The direct cooling refrigerator includes a cabinet, an inner case arranged in the cabinet and having an inlet and an outlet, a circulation duct coupled to the inner case at the outside of the inner case and having a suction port communicating with the outlet and a discharge port communicating with the inlet, and a fan to move air from the suction port to the discharge port within the circulation duct. The inlet is located at an upper wall of the inner case so as to be located closer to a front surface of the inner case than a rear wall of the inner case, and the outlet is located at the rear wall of the inner case so as to be located close to a lower wall of the inner case.

Abstract: A no-frost refrigeration device includes at least one storage chamber for items to be cooled; and an evaporator chamber which is formed by a two-part first housing having first and second housing parts. The first housing part has, at least locally, a flexible surface, and the second housing part has formed thereon a rib which is pressed in a sealing manner into the flexible surface. A ventilator is located in the evaporator chamber for driving air circulation running through the storage chamber and the evaporator chamber.

Abstract: A portable air cooling system having a housing having an air inlet, an air outlet, an exterior surface and an interior cavity. A fan is axially disposed within the interior cavity for generating an air flow drawn from the air inlet, through the interior cavity and discharged through the air outlet. A photovoltaic panel is electrically coupled to the fan and provides sufficient electrical generating capacity to at least power the fan during daylight hours. A hydrating element is disposed intermediate the air inlet and air outlet for providing evaporative cooling. A cooling element is disposed intermediate the air inlet and air outlet and provides convective cooling by thermal transfer with a cold active cooling media such as water ice, dry ice or Gel Pack.

Abstract: An indoor unit includes a casing having a suction port formed on an upper portion and a blow-out port on a lower side of a front surface portion, an axial-flow or mixed-flow fan provided on the downstream side of the suction port in the casing, and a heat exchanger provided in the casing at a position on the downstream side of the fan and on the upstream side of the blow-out port. The heat exchanger includes a plurality of fins arranged side by side with predetermined gaps therebetween and a plurality of heat-transfer tubes penetrating through the plurality of fins. The heat exchanger is configured in such a manner that the air-flow resistance of an area facing the outer peripheral side of the fan is larger than the air-flow resistance of an area facing a center portion of the fan.

Abstract: A thin air outlet structure to a vehicle compartment exhibiting excellent directivity while ensuring sufficient volume and velocity of air conditioning air stream. In the air outlet structure 10, delivery direction of the air stream can be altered by altering the posture of a pair of fins 16 provided at a middle portion 13 in the flow direction in a case 12. Since the air outlet 20 does not require a plurality of fins for altering the delivery direction, the air outlet 20 can be made thin. Since the delivery direction of the air stream can be altered by means of the pair of fins 16 and the number of the fins 16 is small, flow of air is not impeded in the flow path within the case 12 and effective cross-sectional area of the flow path within the case 12 can be ensured. Consequently, sufficient volume and velocity of air stream can be secured. Furthermore, the size for each blade of the fins 16 can be increased by the decrease made in the number of fins 16.

Abstract: A refrigerator includes a heat transfer unit, which transfers heat generated from a machine room within a refrigerator main body to a periphery of a home bar so as to remove dew formed at the periphery of the home bar, and an insulating unit for surrounding an outer circumference of the heat transfer unit. The refrigerator further includes a heating unit installed to be thermally conductive with the heat transfer unit, and a non-conductive cover for covering the heat transfer unit and the heating unit. Consequently, waste heat generated from the machine room, other than a separate power supply unit, can be used to prevent dew formation at the periphery of the home bar, so as to remarkably reduce power consumption.

Abstract: A fan driven evaporator is one component for use in refrigeration applications such as an evaporative cooler which employs refrigeration. In one embodiment, a frosting evaporative cooler utilizes an evaporator in the shape of a squirrel cage blower that utilizes alternating and opposing flows of refrigerant in refrigerant tubing to allow for the dehumidifying and cooling of humid air without freezing over and losing air flow. A fan for use in coolers in humid conditions comprises a motor driving a centrifugal blower. At least two cooling coils that are parallel have cooling fins separating all the coils. The coils surround the blower wheel thereby matching the shape of the outside of the blower housing.

Abstract: A cooling method and apparatus which uses an absorption cycle with ammonia as the refrigerant and in which a generator (31,34) converts a liquid ammonia solution into ammonia gas or vapour for supply to a condenser (36) in which the ammonia gas or vapour is condensed into a liquid ammonia solution. The liquid ammonia solution is supplied to an evaporator (39) in which liquid ammonia is evaporated into ammonia gas or vapour to thereby absorb heat and an absorber (43) absorbs the ammonia gas or vapour back into an ammonia solution. The evaporator (39) includes a reservoir or bulb (40) which retains portion of the liquid ammonia solution which is converted back into an ammonia gas or liquid by exposure to ambient heat and returned to the condenser (36) for recycling.

Abstract: Provided is a chilling device or cooling apparatus that quickly chills a beverage. The chilling device or cooling apparatus may be provided to a refrigerator or a refrigerating storage.

Abstract: Provided are a cooling apparatus and a refrigerator having the same. The cooling apparatus includes a case configured to receive a container holding a liquid, and an agitating member that is positioned within the case and that is configured to agitate the container holding the liquid. The cooling apparatus also includes an electro-magnetic power generator that includes an electromagnet and that is configured to generate a driving force that causes the agitating member to agitate the container holding the liquid.

Abstract: Provided is a cooling apparatus that quickly cools beverages such as drinks or alcohols, can be installed on a refrigerator or a freezer, and reduces cooling time.

Abstract: Provided is a chilling device or cooling apparatus that quickly chills a beverage. The chilling device or cooling apparatus may be provided to a refrigerator or a refrigerating storage.

Abstract: A powerless diversion plate of a ceiling air-conditioning circulation machine includes a bearing block and a bearing within a circular inflow/outflow hole for installing a diversion disc having a plurality of radial separation pieces. A plurality of conic and ring-shaped diversion pieces are positioned around the connection shaft. The diversion disc is separated by the ring-shaped diversion pieces and the radial separation pieces to create air inflow/outflow zones. The diversion disc has a downward protruding middle part and a staged structure at the rim thereof to form a predetermined shape. This obviates a powered motor, as the radial separation pieces of the diversion disc serve as a working surface, and respond to forced air for causing the diversion disc to be driven in 360° rotation to diffuse air downward or suck air upward in a flowing way, thereby enhancing air-outflowing and convection efficiency and reducing energy consumption and carbon release.

Abstract: The present invention relates to an air conditioner and to an outdoor unit. More particularly, the present invention relates to an air conditioner having a plurality of indoor units, wherein said air conditioner comprises a distribution unit which is accommodated in an outdoor unit of the air conditioner and connected to the outdoor unit and indoor units, or which is separated from the outdoor unit and connected to the outdoor unit and indoor units to distribute refrigerant to the plurality of indoor units.

Abstract: The present invention relates to a refrigerator which can maintain a stored object in a desired state by controlling the temperature of an upper region and a lower region in the same storing space. The refrigerator includes a non-freezing apparatus having a storage room with a storing space composed of an upper space and a lower space, the air or heat exchange being limited between the upper space and the lower space, and a temperature control unit controlling the temperature of the upper space and the lower space. The non-freezing apparatus is installed in a storing space in which the cooling is performed and controls the temperature control unit to perform at least one of a process of rapid cooling at a temperature over the phase transition temperature, a process of entering a supercooling temperature region, and a process of maintaining the supercooling temperature region.

Abstract: A cooling system is disclosed. The cooling system may have an evaporator, an evaporator fan, a condenser, and at least one compressor. The compressor may be either a single speed or a variable speed compressor. In addition, the system can use a mechanical or electrical pulsed operation refrigerant flow control valve for controlling refrigerant flow to the evaporator.

Abstract: The present invention relates to a cooling apparatus including a non-freezing apparatus which can stably store a liquid in a container in a supercooled state by maintaining an upper space receiving an upper portion of the container at a higher temperature than a lower space receiving a lower portion of the container. A cooling apparatus includes a cooling space, a door opening and closing the cooling space, and a non-freezing apparatus installed in the cooling space or the door, an upper space thereof being maintained in a higher temperature region than a lower space thereof. The non-freezing apparatus of the cooling apparatus includes a separation film formed between the upper space of a high temperature and the lower space of a low temperature and limiting the heat exchange between the upper space and the lower space, thereby stably maintaining the liquid in the supercooled state.

Abstract: An indoor unit of an air conditioner includes an indoor unit casing, a front panel, and a moving mechanism. A first suction port is provided at a front surface of the indoor unit casing. The front panel is provided at the front surface of the indoor unit casing, and opens and closes the first suction port. The moving mechanism moves the front panel to: a closed state, in which the front panel closes the first suction port; a first open state, in which the front panel moves frontward from the closed state and opens the first suction port; and a second open state, in which the front panel moves further frontward from the first state and more widely opens the first suction port.

Abstract: An airflow-cooling apparatus of a ceiling air-conditioning circulation machine, and more particularly a structure permitting a smooth flow of the indoor air, wherein the drawn current of air passes through a cooling apparatus and then is guided indoors for reducing the temperature. A base frame includes a base frame having a rectangular positioning frame of the rim thereof. A plurality of radial supports are extended from the periphery of the positioning frame inwards. A circular frame is positioned at the center of the base frame. The rim of the circular frame is attached to the radial supports. A fan base is positioned within the circular hole of the circular frame and supported by a plurality of ribs. A plurality of conic and ring-shaped air outflow/inflow channels are concentrically and outwardly interposed between the circular frame and the positioning frame.

Abstract: A shoulder mounted hood cooling assembly includes a support, a blower carried by the support, and vents in fluid communication with the blower. The support when worn by a user positions at least a portion of the support adjacent the user's shoulder's and the vents are positioned to direct air exhausted from the blower to a neck or to a head or both the neck and the head of the user.