Patent ID: 6991439
Filing Date: 2006-01-31
Classification: F04D,F05D

Abstract:
1. A vacuum pump comprising: a body comprised of a casing having an interior space, a base connected to the casing and having an opening communicating with the interior space of the casing, a gas intake port for introducing gas molecules into the interior space of the casing, and a gas discharging port for discharging the gas molecules from the interior space of the casing; a rotor supported in the body for undergoing rotation; a motor for rotating the rotor; a motor housing disposed in the body for supporting the motor; gas transfer means disposed between the casing and the rotor for transferring gas molecules from the gas intake port to the gas discharge port through a gas discharge path; heating means for heating the gas discharge path; a cover member for covering the opening of the base, the cover member having a surface communicating with the interior space of the casing; and a substrate connected to the surface of the cover member.