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BLOWER FOR A MEDICAL VENTILATOR AND MEDICAL VENTILATOR WITH SUCH A BLOWER
BLOWER FOR A MEDICAL VENTILATOR AND MEDICAL VENTILATOR WITH SUCH A BLOWER
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机译:医用呼吸机的鼓风机和带有吹风机的医用呼吸机
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摘要
The invention relates to a medical ventilator or anaesthetic machine comprising a blower (11), which is provided with an electric motor (19) and at least one compressor wheel (15), driven by the electric motor, in a blower housing (13) for the compression of ventilating gas. In the case of the blower, the electric motor (19) lies against a first housing wall (21) of the blower housing (13), which is produced from a material with good thermal conduction, in particular metal, preferably aluminium. An air duct for the compressed ventilating gas is formed directly adjacent to the first housing wall (21), between this first housing wall (21) and a second housing wall (25). According to the invention, the first housing wall (21) of the blower housing is connected to at least one heat pipe (47), which is connected to a cooling element (55). In this way, the heat from the blower can be removed to a location of the ventilator which can be cooled in a controlled manner. At this location, a cooling element is arranged in an actively ventilated ventilation duct. This achieves acoustic encapsulation of the blower.
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