| 摘要 |
PURPOSE: A high pressure volume type pump is provided to expand change of volume while preventing blocking by solids and sludge. CONSTITUTION: A driving shaft(10a) of a motor(10) and one end of a rotary axis(20) is coupled and fixed to a coupling(1). A first rotary body(30) with an inner gear part(30a) formed on an inner circumference thereof, is formed integrally with the other end of the rotary axis. The first rotary body is placed on a placing part of a multi-stepped placing part of a gear frame(40) joined with the motor by a saddle(2). A pump casing has a bypass pipe, passing fixed fluid, formed to smooth flow of fluid taken in and discharged through an inlet(50a) and an outlet(50b) and optimum periphery composed of two of doubled circles and is closely joined to the gear frame with a coupling device. A second rotary body(60) has a diameter smaller than the first rotary body and a circumscribed gear part(60a) on a periphery thereof to eccentrically rotate by the inner gear part of the first rotary body as the first rotary body rotates and is joined to the first rotary body. A triangular rotor(80) is joined to the other side of the second rotary body to eccentrically rotate by an inner circumferential surface of the pump casing to take in and discharge fluid through the inlet and outlet by rotary force of angular surfaces of the triangle. A pump cover(90) seals the pump casing together with the gear frame.
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