Patent ID: 6551083
Filing Date: 2003-04-22
Classification: F04C,F05C,Y10T

Abstract:
Micropump of miniature size, said micropump comprising a sleeve casing, an axis of said sleeve casing, an axis of rotation and an inner rotor provided with teeth, said micropump having at least one outlet pressure opening to extend in a direction of said axes, whereby both axes are radially offset with respect to each other and(a) said sleeve casing having a diameter of less than 10 mm and said inner rotor is in a meshing engagement with an outer rotor such that each tooth of said inner rotor forms an axially extending sealing line on an inner surface of said outer rotor; (b) said at least one outlet pressure opening is provided in a first face end part, terminating and attached to said sleeve casing; (c) both, said inner rotor and said outer rotor having a diameter of less than 10 mm, to substantially continuously convey a mass flow upon a rotational movement of the sealing lines.