Pump embodied as a side channel pump

Details Pump embodied as a side channel pump Pump embodied as a side channel pump

2006-08-15

2006-08-15

Trieu, Theresa (Department: 3748)

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

To opposite face of blade

C415S055500, C415S055600, C416S177000

Reexamination Certificate

active

07090460

ABSTRACT:
A side channel pump, preferably a vacuum pump, includes a driven rotor (16) and a fixed stator (14). The rotor (16) and the stator (14) define a pump channel circulating in a peripheral direction. Blades are fixed onto the rotor, protruding into the cross-section of the pump channel. The pump channel also includes a blade-free side channel (44). The pump channel (22) containing the side channel (44) extends in a helical manner around the rotor (16). The pump channel is advantageously not limited to the length of a winding but can have the length of substantially any number of uninterrupted windings. As a result, a high suction performance and a high compression ratio in the pump can be obtained.

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patent: 170 175 (1986-02-01), None
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