Importance

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Abstract

The present invention provides a pump having a compact and lightweight design, which enables an improvement in pump efficiency and a reduction in noise. The pump comprises a manifold having a pump chamber, a suction port for sucking fluid from the outside to the inside of the manifold, a discharge port for discharging fluid from the inside to the outside of the manifold, a suction valve which is provided between a suction port and a pump chamber, and opens and closes a flow path of fluid to the pump chamber, and a discharge valve which is provided between the pump chamber and the discharge port, and opens and closes a flow path of fluid from the pump chamber. Furthermore, the suction port, the suction valve, the discharge valve and the discharge port are arranged coaxially, thereby the fluid does not meet unnecessary resistance, the fluid is made to flow smoothly, pump efficiency can be improved, noise can be reduced, and the structure of the manifold can be simplified and made compact and lightweight.

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First Claim