Abstract: A slim air vent apparatus for a vehicle may include an internal wing, an external wing, and a support wing that are disposed and hidden inside a duct to realize a compact and slim air vent apparatus and to improve the appearance by hiding the components. Since the air vent is operated to fulfil the functions thereof by manual manipulation of a single knob, positioned at the center portion of the external wing, by a user, it is possible to improve the convenience in manipulation of a user and to reduce manufacturing costs, and the air vent is universally applicable to various kinds of vehicles.

Abstract: An adapter and adapter system for connecting a female end of a first chimney portion to a male end of a second chimney portion. The adapter includes a first radial adapter portion with a first inner surface and a first outer surface extending along a first axis and wherein the first inner surface and the first outer surface are substantially coaxial. The adapter further includes a first locking interface protruding outward from the first outer surface and configured to engage with a first locking interface of the first chimney portion and a second locking interface protruding inward from the first inner surface and configured to engage with a second interlocking interface of the second chimney. The first outer surface of the adapter is configured to be received within the female end of the first chimney portion and the inner surface is configured to receive the male end of the second chimney.

Abstract: An assembly for saturating or aerating a medium with fluid. At least one hollow cylinder having gates and vents embedded within a grain mass. A target section of grain mass is identified and the gates and vents activated to provide influent flow to the target section in both vertical and horizontal directions.

Abstract: A concentrated solar power generation system includes a movable platform having a groove, a Fresnel lens located in the groove of the movable platform, a header located below the Fresnel lens, a plurality of heat collection tubes arranged in a circular array, a reflector with a tapered surface, and a support base. The header has a water circulation pipe, an inlet pipe and an outlet pipe. The inlet pipe and the outlet pipe each are communicated to the water circulation pipe. A lower end of each of the heat collection tubes is fixed on the support seat, and an upper end of each of the heat collection tubes contacts the water circulation pipe. The reflector is mounted on the support base and located in a space enclosed by the heat collection tubes.

Abstract: A heating, ventilation, and air conditioning (HVAC) door assembly includes a first HVAC door rotating about a first axis, a second HVAC door rotating about a second axis that is nonparallel with the first axis, an actuator, a mode cam. The mode cam is engaged with the actuator and controls movement of the first HVAC door and the second HVAC door.

Abstract: A burner base for a stacked burner assembly to secure a uniform distribution of gas flow. The burner base couples with a top burner cover and together define an internal gas mixture chamber. The burner base includes a barrier structure along a perimeter having a plurality of structural zones. A first structural zone includes a semi-circular barrier structure having a height that is taller at a middle portion than at the end portions. A second structural zone includes an arc structure having a height that is taller than the heights of adjacent structural zone heights. A third structural zone includes a semi-circular structure having a consistent height along the structure. A fourth structural zone includes a non-raised semi-circular structure. The barrier structure is configured to facilitate the distribution of the gas within the mixture chamber.

Abstract: A vertical domestic extraction hood (100) for air containing vapours and fumes from a hob during food preparation includes a parallelepipedic extractor body (1) containing within it functional components to draw in the aforementioned air, with the extractor body (1) having on one side (5) an opening (7) for discharging the air drawn in and filtered and on another side (8) a different opening for extraction of the air to be filtered. A panel (12) is provided at a distance from front side (10) in front of one said front side (10) of said extractor body (1). The hood (100) includes a sensor for monitoring airborne substances that is arranged in such a way as not to be directly in contact with the extracted air and is able to detect at least one characteristic of such extracted air or the air from the environment where the hood is located.

Abstract: An air conditioning system is provided and includes a unit receptive of refrigerant having a moderate-to-low global warming potential (GWP) value for thermal interaction with a fluid, an enclosure, a fan disposed and configured for urging a flow of the fluid through the unit, a refrigerant detection sensor and a controller. The refrigerant detection sensor is disposed in the enclosure to be operable in a first mode in which a baseline response is established and a second mode in which refrigerant leak detection is executed based on the baseline response. The refrigerant detection sensor is further configured to generate a binary output of leak and non-leak signals in accordance with a result of the refrigerant leak detection. The controller is configured to control operations of the fan and the vent based on the binary output.

Abstract: An exhaust heat recovery boiler includes: a duct casing in which exhaust gas flows; a tubular extending portion extending upward from the duct casing; a heat exchanger tube located in the duct casing; a hammering rod connected to the heat exchanger tube in the duct casing and passing through an inside of the extending portion, the hammering rod including an upper part projecting to an outside of the extending portion; and an annular sleeve attached to the upper part of the hammering rod through a packing. The extending portion includes an upper flat surface which is located at an upper end of the extending portion, realizes a seal between the upper flat surface and a lower surface of the sleeve, and is annular and flat.

Abstract: A system for ventilating a vehicle interior compartment operates, at least intermittently, to set an air quality mode in which fresh air and/or circulated air is supplied to the vehicle interior compartment, and to control an interior compartment pressure in the vehicle interior compartment through variation of the flow resistance of an interior compartment ventilation device in an open-loop and/or a closed-loop manner such that the interior compartment pressure is higher than an ambient pressure outside the vehicle interior compartment.

Abstract: Ventilation systems are disclosed that include a base unit having a mounting platform connecting the base unit to a surface. Such base units have a base collar that extends away from the mounting platform and forms a perimeter of a opening through the base unit. Such ventilation systems include a fan unit that has a fan housing and a fan. The fan housing is configured to receive air through an inlet and expel air through an outlet, and the fan is capable of moving air from the inlet to the outlet. Such ventilation systems also include a quick connect interface that has a base feature and a fan housing feature. The base feature is integrated into the base unit, and the fan housing feature integrated into the fan unit; both are capable of detachably connecting together to secure the fan unit to the base unit.

Abstract: Some embodiments of the present disclosure provide an air sweeping assembly, an air regulating device and an air conditioner. The air sweeping assembly includes: a rotation shaft (10), the rotation shaft (10) being provided with blades (20) thereon; a driving device, the driving device including a fixing portion (31) and a driving portion disposed on the fixing portion (31); the driving portion being drivingly connected with the rotation shaft (10), and the driving portion being configured to drive the rotation shaft (10) to rotate; and a first position limiting member (40) disposed on the fixing portion (31); the first position limiting member (40) being configured to define an initial position of the rotation shaft (10) in a circumferential direction.

Abstract: A window fan may include a main body, one or more front fan covers, one or more rear fan covers, one or more fans covered by both the front and rear fan covers, and a control panel. In one embodiment, the front and rear fans can be easily detached from the main body, so the fan can be taken out for cleaning purposes. The control panel can be used to control the wind direction, the magnitude, temperature, etc. of the fans. In one embodiment, the control panel can be operated manually. In another embodiment, the control panel can be operated through a remote control. In a further embodiment, the control panel can be operated through an electronic device, such as a cell phone, a tablet, a computer, etc. via WIFI, Bluetooth or other communication schemes.

Abstract: A roof vent member with an integrated fan assembly is disclosed. The fan assembly may be installed, removed, replaced, maintained, etc. from underneath the roof without having to get on the roof or otherwise disrupt the roof envelope. The roof vent may include a subflashing, the fan assembly, sealing elements, screens, and other features. A secondary roof vent member may be included which may include solar panels. Associated methods of using the vent members, such as installing, removing, and replacing the vent member or various components thereof, are further disclosed.

Abstract: The presently disclosed subject matter is directed to a vent register for use with an HVAC system. The register is defined by a housing comprising top and bottom plates that are permanently joined to create an interior compartment. The interior compartment imparts an insulative quality to the register by providing resistance to an increase or decrease in temperature, such as when cooled air is flowing through the system. The interior compartment can be hollow and filled with air, foam, or any insulative material. In use, the register prevents or reduces the incidence of condensation forming on the face of the register during use.

Abstract: An antimicrobial, injection molded air duct for use in an air distribution system which delivers air to a passenger cabin of a vehicle or into an enclosed space within a residential structure is provided. The air duct includes a hollow, injection molded housing having an air passageway for communicating airflow therethrough. The housing includes a layer of molded material which at least partially defines the passageway and which absorbs airborne liquid droplets containing infectious, disease-causing pathogens moving with the airflow. The molded material includes antimicrobial agents disbursed throughout the layer to reduce the number of pathogens contained within droplets absorbed by the layer.

Abstract: An access control system receives a trigger command for controlling a ventilation system; determines that the trigger command includes a lock trigger to hold an entrance door in a closed position; and induces a locking differential air pressure between opposite sides of the entrance door in response to the lock trigger, where the locking differential air pressure is sufficient to bias the entrance door to contact or to increase contact with a door frame in the closed position. The access control system may also determine that the trigger command includes an open assist trigger to ease an opening of the entrance door; and may induce an opening differential air pressure between the opposite sides of the entrance door in response to the open assist trigger, where the opening differential air pressure is sufficient to bias the entrance door to reduce contact with the door frame in the closed position.

Abstract: A laundry appliance includes a processing chamber positioned within a cabinet. A blower delivers process air through an airflow path and through the processing chamber. An accessory port is positioned on an exterior surface of the cabinet and coupled with the airflow path. The accessory port selectively redirects the process air through an accessory airflow path to define accessory process air. An accessory tool that selectively engages the accessory port to define the accessory airflow path.

Abstract: An active stairwell compensation system includes air injection points at different elevations in a stairwell; a fan for providing airflow to the air injection points; sensors; air injection dampers; and a controller in data communication with the fan, the sensors, and the air injection dampers. At least some of the sensors are located inside the stairwell, and at least some of the sensors are located outside the stairwell. A respective air injection damper is located between each air injection point and the fan. The controller has programming to utilize data from the sensors to adjust an amount of air provided by the fan and independently adjust the air injection dampers to maintain a desirable amount of air pressure at the air injection points. The desirable amount of air pressure is selected to prevent smoke from entering the stairwell while allowing stairwell doors to open for egress.

Abstract: A vehicle system includes: an olfaction sensor comprising: a blower configured to draw air from a passenger cabin through an inlet; a sensor located downstream of the inlet and including one or more proteins configured to measure an amount of a chemical in the air passing the sensor; and a purge source configured to selectively flows a purge gas into the sensor; and a control module configured to selectively take one or more remedial actions based on the amount of the chemical in the air.