Abstract: A temperature sensing system includes N temperature sensing circuits, each including a diode, that are connected in series, wherein N is an integer greater than one. A control module includes a first terminal that communicates with one of the N temperature sensing circuits, that receives a combined voltage of the N temperature sensing circuits at the first terminal, and that calculates an average temperature of the N temperature sensing circuits based on the combined voltage.

Abstract: A blower assembly for a vehicle air conditioning unit includes a first air flow duct having a first blower and a second air flow duct having a second blower. A fresh-air inlet opening is arranged in the first air flow duct and a recirculated-air inlet opening is arranged in the second air flow duct. A distribution chamber is downstream of the first and second air flow ducts and an air cooling unit and a bypass duct bypassing the air cooling unit are downstream of the distribution chamber. A bypass flap is in the distribution chamber for directing at least a part of the air flow in the first air flow duct to the air cooling unit and/or to the bypass duct with substantially all of the air flow in the first air flow duct directed into the bypass duct in one position of the bypass flap.

Abstract: A heat dissipating system for a data center includes a data center and an air processing unit. The data center includes an enclosure and an electronic device, and defines a first air vent and a second air vent. The air processing unit includes a case and an air processing device. The case defines a first air inlet, a second air inlet, and a first air outlet. At least one air inlet damper is mounted on the case, and a first return air damper is mounted in the case. The data center can adjust cooling based on ambient temperature through the air inlet damper and the first return air damper.

Abstract: A set of methods and apparatus for efficiently pressurizing and ventilating an air-supported greenhouse or other structure requiring pressurization and ventilation. A method for efficiently pressurizing and ventilating an air-supported structure comprises directing any external wind flow and external wind pressure into mechanical flow means, such as a fan, or fans in parallel, operating in the intake direction, and into the internal space of the air-supported structure and out of the internal space of the air-supported structure through internal pressure regulating exhaust means, whereby the internal space of the structure will be ventilated and pressurized with the assistance of any external wind and the reliability of mechanical flow means (fans).

Abstract: A spring fixing structure includes a louver provided with a stopping member and a louver fixation portion thereon, and a spring disposed on the louver, the spring including a spring fixation portion fixed on the louver fixation portion and two arcuate spring legs. The stopping member is provided with a retaining mechanism for retaining the spring. The spring of the present invention can be easily mounted on the louver and prevented from being deformed.

Abstract: A display enclosure assembly comprises a cabinet enclosing an interior space, the cabinet comprising a front wall and a rear wall, one or more display modules at least partially enclosed within the interior space, the one or more display modules configured to form an electronic display at the front wall, one or more fans mounted at the rear wall, each of the one or more fans comprising a fan intake facing rearward from the rear wall and a fan exhaust facing into the interior space, a vent extending at least partially between the front wall and the rear wall, the vent providing a first pathway for cooling air to pass from a front side of the cabinet to arear side of the cabinet, and an exhaust providing a second pathway for warmed air to exit the interior space.

Abstract: An air conditioning apparatus includes a centrifugal fan mounted in an interior of a casing and a pressure sensor. The pressure sensor can have a primary-side pressure detection tube opened in a position adjacent to a circumferential part of the casing on an inlet side surface of the bell mouth of the fan when the bell mouth is seen from a direction along the rotary shaft to detect a primary-side pressure of the centrifugal fan. Alternatively, the pressure sensor can have a primary-side pressure detection tube opened in a position adjacent to a circumferential part of the casing on a heat exchanger compartment side surface of the partition member when the partition member is seen from a direction along the rotary shaft to detect a primary-side pressure of the centrifugal fan.

Abstract: A Smart Fan and Ventilation (“SFV”) device having at least one memory configured to store instructions, a processor coupled to the at least one memory, a cover attached to a first surface of the SFV device, and one or more louvers attached to the cover, the processor configured to cause the one or more louvers to move based on instructions stored on the at least one memory.

Abstract: Example embodiments of the present invention relate to a method, a system, and a computer program product for controlling conditions of an input air stream. The method includes detecting air quality conditions as environmental input variables of an input air stream and determining whether to take corrective action on the air quality conditions of the input air stream according to the environmental input variables. An output variable then may be controlled to affect the air quality conditions of the input air stream.

Abstract: A mounting device includes an enclosure, a mounting frame, and a pivoting member. The enclosure includes a mounting wall with a hook extending therefrom. The mounting frame is configured for receiving a plurality of fans. The pivoting member is pivotably mounted to the mounting wall. The pivoting member is pivotable relative to the mounting wall to engage in or disengage from the hook. When the pivoting member is engaged in the hook, the pivoting member secures the mounting frame to the mounting wall. When the pivoting member is disengaged from the hook, the mounting frame is removable from the mounting wall. A fan assembly with the mounting device is further disclosed.

Abstract: An air handler which allows modular assembly at a place of manufacture or outside of a building and modular transportation to a machine room of the building where the air handler will be installed, thereby achieving enhanced transportation convenience. In addition, in the air handler, a plurality of case panels may be assembled with a plurality of module frames via considerably simplified sliding coupling, providing excellent hermetic sealing. As such, manufacturing costs may be reduced due to a reduction in a number of components, and assembly time may be remarkably reduced due to a reduced number of assembly operations. This advantageously results in reduced labor costs and enhanced air conditioning efficiency.

Abstract: An air vent apparatus for a vehicle, which is disposed to supply air into an interior of a vehicle may include a duct housing opened at front and rear sides thereof, at least one blade disposed at a rear side in the duct housing horizontally in a width direction of the vehicle, and having both ends rotatably coupled, a knob mounted on one blade among the at least one blade so as to be slidable in the width direction of the vehicle and a front and rear direction of the vehicle, and adjust an angle of the blade, and a diffuser device mounted in the duct housing at a position spaced apart from a front side of the blade, connected with the knob, adjusting an angle in a left and right direction, and selectively diffusing the supplied air in accordance with a manipulation of the knob.

Abstract: A register box for HVAC installations has a body with a plurality of side panels arranged in a generally rectangular or square configuration and a wall extending across the rectangular configuration, a duct opening through the wall so as to communicate with an interior of the body, and an expandable foam polymeric material affixed to an inner side of the side panels. The wall has a surface extending from the opening of the duct to the side panels. The expandable foam polymeric material is affixed to the surface of the wall. The expandable polymeric material is polyurethane.

Abstract: An air conditioning apparatus includes a casing having intake and blow-out ports, a partition member dividing an interior of the casing, a heat exchanger, a centrifugal fan, a heater and a fan heat shield. The centrifugal fan includes a bladed wheel mounted in the fan compartment such that a rotary shaft of the bladed wheel is oriented along an opening direction of the fan entrance and an opening direction of the blow-out port, and the bladed wheel being made of resin. The heater is mounted in a blow-out port opposed space opposed to the blow-out port within a fan downwind space located on a downwind side of the bladed wheel within the fan compartment. The fan heat shield member is mounted in the fan downwind space in order to cover a part of the bladed wheel that is opposed to the heater.

Abstract: A chilled beam has separate primary and secondary inlets and plenums each or which generates separate sets of induction jets to draw air through a chilled beam heat exchanger. Various system and method embodiments are described as well as features usable in conventional active chilled beams to facilitate the use variable thermal and ventilation load applications.

Abstract: The present technology relates to a heating, ventilation, and air conditioning (HVAC) system for a motor vehicle with supplemental thermal storage, the HVAC system having a length greater than a width and disposed with the length parallel to a longitudinal axis of the motor vehicle between the front seats thereof. The HVAC system includes a blower assembly disposed beneath an instrument panel of the motor vehicle or inside an engine compartment. A thermal storage device in thermal communication with air caused to flow through the HVAC system.

Abstract: A vehicle wind direction adjuster includes: a case having a cylindrical shape; a housing having a cylindrical shape and turnably coupled to the case through a universal joint; and a louver provided in the housing, wherein: the universal joint includes a shaft member having a first shaft and a second shaft orthogonal to the first shaft, a first turning supporter coupled to the case and configured to turnably support the first shaft, and a second turning supporter coupled to the housing and configured to turnably support the second shaft; an first elastic body is provided around the first shaft such that the first elastic body is interposed between the shaft member and the first turning supporter; and an second elastic body is provided around the second shaft such that the second elastic body is interposed between the shaft member and the second turning supporter.

Abstract: An economizer having a first air inlet, a second air inlet and an air outlet, a method of operating an economizer and a heating, ventilation and air conditioning (HVAC) system employing the economizer. In one embodiment, the economizer includes: (1) a first damper blade assembly in fluid communication with the first air inlet and the air outlet and having a first plurality of damper blades configured to move in parallel and (2) a second damper blade assembly in fluid communication with the second air inlet and the air outlet and having a second plurality of damper blades configured to move in opposition.

Abstract: A coaxial ventilator exchanges atmosphere between parts of a building that are at differing heights. The coaxial ventilator includes an outer conduit that extends from an upper end thereof downward to a lower end thereof. The outer conduit surrounds an inner conduit that extends substantially the entire length of the outer conduit. Both the outer and inner conduits are open at their respective upper ends and lower ends. Temperatures of atmosphere both surrounding and within the outer conduit and the inner conduit induce an exchange of atmosphere between the coaxial ventilator and surrounding atmosphere.

Abstract: A vent for a roof includes a body having an inner surface facing the roof, an outer surface, first and second opposing ends and first and second opposing sides. First and second edge portions are disposed at or about the first and second sides, respectively, and include a plurality of openings for the passage of air. A plurality of protrusions extend outwardly from the inner surface of the body. A plurality of elongated resilient members extend longitudinally between the first and second ends of the body and cooperate with the protrusions. At least a portion of each of the elongated resilient members extends beyond a bottom edge of the vent and is compressed against the exterior surface of the roof, in order to substantially fill in and seal spaces between the exterior surface of the roof and the at least one vent.