+ Altering linear motions

+ Altering rotary oscillations

+ Complicated motions

+ Continuous rotation into interrupted rotation

+ Continuous rotation into linear motion

+ Continuous rotation into rotary oscillation

+ Continuous rotation transmission

+ Jigs and fixtures

+ Mechanisms for drawing lines

+ Mechanisms of specific purposes

+ Reciprocating motion to continuous rotation

+ Rotary oscillation into linear motion

+ Rotation to wobbing motion

+ Simple cam mechanisms (RU)

+ Study of mechanisms

+ Sundries

Trochoid gear pump


A pin drive is applied for this pump. The pink driving rotor rotates 5 rev. while the green driven rotor rotates 4 rev. Profile of the green rotor consists of trochoid curves. If the pink driving rotor rotates clockwise the left space between teeth of the two rotors is of low pressure and the right one is of high pressure. The two gears rotate clockwise. Red arrows show fluid flow.

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