Trochoid pump

Details Trochoid pump Trochoid pump

F - Mech Eng,Light,Heat,Weapons

04

C

103/76

F04C 2/10 (2006.01)

Patent

CA 1325359

ABSTRACT OF THE DISCLOSURE A trochoid pump includes: an outer gear rotor and an inner gear rotor, which are different in number of teeth from each other; pressure chambers defined by adjoining teeth of both rotors and an end plate, whose volumes are increased or decreased in accordance with rotations of both rotors; an intake opening communicated with the pressure chambers whose volumes are gradually increasing, out of the pressure chambers; and a lead-out opening communicated with the pressure chambers whose volumes are gradually decreasing. A starting end of the intake opening starts to be opened at a minimum gap position or a neighborhood position thereof. The starting end of the intake opening can be opened at a position advanced through a rotary angle of 4 degrees in the rotating direction of both rotors from the minimum gap position.

573975

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