A solar powered vehicle topper unit and systems and methods for the same are provided. A solar energy harvesting device is electrically connected to an electronic display within a housing. The solar energy harvesting device is located above the housing. The solar energy harvesting device has a first footprint, and the housing has a second footprint which is smaller than the first footprint.

A fan arrangement has a plurality of fans arranged in parallel to each other and configured to generate airflow along a common main flow direction. A flow channel is assigned to each fan, and a respective flow channel has a flap that can be swiveled between an open position and a closed position. The flap is constructed and positioned within the flow channel in such a way that it is supported by the airflow in the open position and brought into the closed position by a reverse flow opposing the airflow. This arrangement reliably prevents a fluidic short circuit in the event of failure of individual fans, and ensures natural draft convection in the event of failure of all fans. The flap is constructed in such a way that it is brought into the open position when no air is flowing due to its intrinsic weight.

A noise reduction assembly includes an outer frame and a partition plate. An accommodating cavity is arranged in the outer frame; the partition plate is arranged in the accommodating cavity, and the partition plate and the outer frame form a noise reduction channel, the noise reduction channel includes a first noise reduction section, a second noise reduction section and a third noise reduction section that are communicated in sequence, and the channel cross-sectional areas of the first noise reduction section and the third noise reduction section are both smaller than the channel cross-sectional area of the second noise reduction section. The technical solution of the present application may reduce the noise of a new energy equipment having the noise reduction assembly during operation.

An electric cabinet with a heat dissipation system is provided. The electric cabinet includes an body and a plurality of electric boards amounted in rows and arranged vertically in the body. The heat dissipation system includes: an air inlet and an air outlet respectively located on a lower surface and a higher surface of the body; a fan having fan blades arranged horizontally amounted between two of the electric boards for guiding the air to flow from the air inlet to the air outlet; and a plurality of air-cooling devices, each is amounted on sides of the body and designated with cooling one of the electric boards, wherein at least one of the air-cooling devices is amounted to be higher than the horizontal blades of the fan.

A device for ventilating and electrically powering a computer of an engine of an aircraft, the device including a feed mechanism feeding air to a proximity of the computer and a fan connected to a drive mechanism and configured to generate a stream of air for ventilating the computer. The fan is mounted in the air feed mechanism, and the drive mechanism includes an electrical machine configured to operate as a motor for driving the fan, and as a generator for powering the computer, a rotor of the machine when operating as a generator being driven by the fan, which is itself driven by a stream of air flowing in or leaving the air feed mechanism.

An information handling system having a heat exchanger positioned near and in thermally-conductive conduct with an electrical, heat-generating component of the information handling system, such as a central processing unit or graphics processing unit. A fan directs air across the heat exchanger to cool the electrical component by convection. A first portion of the heat pipe may be in direct physical contact with the electrical component and a second portion of the heat pipe may be in thermal contact with the electrical component and the first portion and in direct physical contact with an additional heat exchanger. The fan may direct air across both heat exchangers to cool the electrical component.

A water-cooled heat dissipation module. The water-cooled heat dissipation module includes a first heat dissipation branch for guiding a heat dissipation medium to flow in a first space; a second heat dissipation branch communicating with the first heat dissipation branch for guiding the heat dissipation medium to flow in a second space; and a control assembly for controlling a flow rate of the heat dissipation medium in the first heat dissipation branch and/or the second heat dissipation branch, where the first space and the second space are at least partially non-overlapping.

The heat exchange module is used in the cabinet that includes a cabinet body. The cabinet body has a first space and a second space. A temperature of the first space is higher than a temperature of the second space. The heat exchange module has a first air circulation system and a second air circulation system, and heat exchange may be performed between the first air circulation system and the second air circulation system. Both an air intake vent and an air exhaust vent of the first air circulation system are configured to be connected to the first space. An air exhaust vent of the second air circulation system is connected to an external space, and an air intake vent of the second air circulation system can be configured to be selectively connected to the external space and/or the second space.

A one-way airflow dual fan assembly of dismantling ease, comprising a first installation casing and a second installation casing, the first installation casing is aligned with the second installation casing, a flap is respectively fixed in both the first installation casing and the second installation casing, a cover plate is provided in the flap, connection mechanisms are provided between the cover plate and the flap, the flap is connected with the cover plate via the plurality of connection mechanisms, and the connection mechanisms comprise respectively a flexible connection component and a limiting part. By cooperation of the cover plates and the connection mechanisms, by pulling the cover plates, under limiting actions of the second wedges, the first wedges are pressed, the U-shaped connection blocks deform flexibly until the flexible connection components are released, and the cover plates are released from the flaps, so that the cover plates can be disassembled.

A frame assembly for holding cooling fans without the use of screws or rivets includes a bottom plate, a frame on the bottom plate, a slider on the frame, a position pin, and a sliding pin. The frame comprises first and second plates, the first plate defining first and second slots extending in different directions. An end of the sliding pin is connected to the slider, other end of the sliding pin is movable within the second slot, and the slider defines a third slot. The orientation of the second slot is such that pushing the assembly against a spring releases the clamping action of the first and second plates on the assembled fans, and releasing the first and second plates allows the fans in the assembly to be reclamped.