公开(公告)号：US12264660B2

公开(公告)日：2025-04-01

申请号：US17891550

申请日：2022-08-19

Applicant: Active Products Inc.

Inventor： James Hou ,  Jiang-Yong Gu ,  Ming Liu ,  Man Chung Kenneth Lam

IPC: F04B1/182 ,  F04B1/12 ,  F04B1/14 ,  F04B1/148 ,  F04B1/28 ,  F04B17/05

Abstract: There is provided a wobble plate piston water pump including: a pump body defining a plurality of channels; a rotatable wobble plate disposed in the pump body; a plurality of pistons each located in a respective one of the plurality of channels, the pistons being reciprocatable within the channel along a piston axis; a water passage defined by a water inlet and a water outlet; and a plurality of inlet check valves, each associated with one of the channels, and positioned between the water inlet and the associated channel, the inlet check valves reciprocate along an axis parallel to the piston axis to transition between closed states and open states.