Rooftop air conditioning unit for buses

    公开(公告)号:US10427490B2

    公开(公告)日:2019-10-01

    申请号:US14597243

    申请日:2015-01-15

    Abstract: The present disclosure discloses a rooftop air conditioning unit for a bus or other vehicle. The air conditioning unit includes a frame, a condenser section mounted on the frame and a HVAC section mounted on the frame. The condenser section is positioned along a central longitudinal axis of the air conditioning unit, and the HVAC section is positioned in a distributed way on the two opposite sides of the condenser section and comprises at least one pair of HVAC modules, each of which includes a box-shaped base of plastic material mounted on the frame, inside which a respective blower, evaporator and heater are mounted.

    Cabin pressurization system for agricultural machines with filtration system

    公开(公告)号:US11179993B2

    公开(公告)日:2021-11-23

    申请号:US15559563

    申请日:2016-03-17

    Abstract: Cabin air treatment apparatus for an agricultural machine, comprising at least an external air inlet, a filtration system, an HVAC system, and a cabin air supply outlet. The apparatus further comprises a hermetically closed box inside which the HVAC system is housed, the box having a levelling opening for placing the box into communication with a cabin of the agricultural machine to level a pressure inside the box with a pressure inside the cabin. The filtration system comprises a filter for effecting a filtration of at least one among dust, aerosols and vapours, arranged at an external air inlet formed on the box, and an air inlet duct arranged downstream of the filter and provided with a selecting valve having a first outlet connected to the HVAC system, and a second outlet connected to a fan of a condensation system, through a cleaning duct.

    Roof assembly for a cabin of agricultural machine having an air inlet shield

    公开(公告)号:US11148502B2

    公开(公告)日:2021-10-19

    申请号:US16141284

    申请日:2018-09-25

    Abstract: A roof assembly for a vehicle cabin, particularly for the cabin of an agricultural machine, comprising a housing of plastic material and an air conditioning unit housed within the housing, and at least one air inlet fluidically connected to the air conditioning unit and arranged at a periphery of the housing, and a filter arranged downstream of the air inlet. An air inlet shield is arranged at the air inlet, said air inlet shield being mounted to the periphery of the housing and sealingly mounted to the air inlet, the air inlet shield comprising a pair of shaped plates of plastic material, peripherally welded to each other, between which a chamber fluidically communicating with the filter and with the outside of the roof assembly is defined.

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