Abstract: A modular cooling apparatus for cooling one or more rack-mounted electronic component enclosures in a datacenter includes a base duct section and a duct assembly. The base duct section includes an inlet to receive a cooling airflow and an outlet to transfer to the cooling airflow to the duct assembly. The duct assembly is connected to the base duct section. The duct assembly includes one or more modular duct sections. Each of the one or more modular duct sections has a vent and is configured such that the vent aligns with an exterior opening in the respective one of the one or more electronic component enclosures.

Abstract: An exhaust tube holding member is supported by an exhaust pipe and holds, on an inner peripheral surface thereof, an exhaust tube to be inserted into the exhaust pipe. The exhaust tube holding member includes a first annular portion, a second annular portion, and an outward protruding portion. The first annular portion is formed with a first through hole. The second annular portion is formed with a second through hole in communication with the first through hole and having an inner diameter larger than that of the first through hole, and is connected to the first annular portion. The outward protruding portion protrudes peripherally outward from an outer peripheral surface of the second annular portion and is supported by the exhaust pipe. The inward protruding portion protrudes peripherally inward from an inner peripheral surface of the second annular portion and is supported by the exhaust pipe.

Abstract: A first ventilation apparatus of ventilation apparatuses which form a ventilation system includes: a first information transmission part (18a); a first information reception part (19a); and a first control part (17a). The first control part (17a) includes: a first total ventilation air volume determination part (20a); a first-ventilation-apparatus first air volume decision part (21a); and a first air volume detection part (22a).

Abstract: An indoor unit of an air conditioner includes a casing (1) defining a receiving cavity (10), a heat exchanger (2) and a fan (3) disposed in the receiving cavity (10) respectively, and a panel (4) disposed on a bottom of the casing (1). The panel (4) is movable between a close position in which both an air inlet (11) and an air outlet (12) of the receiving cavity (10) are closed and an open position in which both the air inlet (11) and the air outlet (12) are open. In the open position, the panel (4) at least partially separates the air entering via the air inlet (11) from the air exiting via the air outlet (12).

Abstract: A roof exhaust for exhausting gas from a building is provided. The roof exhaust includes: an enclosure including a base and a hollow body extending from said base, the enclosure having side sections and a front section extending between the side sections; a conduit extending within the hollow body along a central axis, the conduit having an inlet connectable to a source of gas and an outlet for exhausting the gas from the conduit; a hood extending in the front section over the outlet, the hood comprising an aperture and being configured to direct gas exiting the outlet through the aperture in a downward direction towards the base; and a damper hingedly mounted relative to the outlet and including a counterweight configured to bias the damper towards a closed position.

Abstract: Systems and methods are provided for estimating a quality of air in proximity to a vehicle. In one embodiment, a method includes: determining a radius of the vehicle; estimating a number of vehicles within the radius of the vehicle; estimating the quality of air based on the number of vehicles; and selectively generating a control signal to an air inlet valve based on the quality of air.