Invention Grant
US07500837B2 Small size gear pump 失效
小型齿轮泵

Small size gear pump
Abstract:
A small size gear pump having a disc-shaped case, inside which a flat cylindrical motor rotor chamber, a bearing chamber and a flat cylindrical gear chamber are arranged eccentrically from the bearing chamber and the rotor chamber, which are piled sequentially along an axial direction and are communicating to each other.
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