| 摘要 |
This application relates to a vacuum pump for applications in vacuum packaging machines, comprising: a cylinder, made up of the casing of two transversely intersected, parallel cylindrical chambers, the axes of which rest in one plane, and one of the faces of which represents a wall on which the suction hole is located, and the outer casing containing the casing of two parallel cylindrical chambers to form a confined space, provided with an inlet and an outlet, which allows a liquid to be circulated, carrying out the thermal exchange, and a drive housing containing the motor and the components for driving and synchronizing the pump rotors supporting said rotors by cantilever and serving as support and centring with respect to the cylinder.
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