Showerhead or aerator containing pressure compensation device
AssigneeNiagra Energy COnservation Products (Xiamen) Co., Ltd.,
InventorsHuaqiang Zhou, Yaojin Guo
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Abstract
Pressure compensators for stabilizing the flow of water are disclosed including at least one flow orifice (10) passing through a pressure compensator body (1) and at least one flexible flow controller (2) which can at least partially block the orifice (10) to provide it with a predetermined flow area whereby the flow controller flexes and reduces the flow area at increased water pressures. Flow controllers are also disclosed for controlling the flow of water including a revolving body (5) for selectively opening and closing a number of flow openings (17) therethrough.
Claims13
A pressure compensator for stabilizing a flow of water comprising a pressure compensator body including an upper surface, a lower surface and an outer periphery, a plurality of flow orifices passing through the pressure compensator body from the upper surface to the lower surface thereof, and a plurality of flexible flow control members each capable of at least partially blocking an associated flow orifice to provide the flow orifice with a predetermined flow area, whereby the plurality of flexible flow control members are caused to flex and reduce but not close the predetermined flow area at increased water pressures, wherein each of the plurality of flexible flow control members comprises two flexible flow control flaps that project upwardly from the upper surface of the pressure compensator body.
A flow controller for controlling the flow of water from a water source comprising an upper housing body for attaching said flow controller to said water source, a revolving body rotatably engaged with said upper housing body, a lower housing body affixed to said revolving body for rotation therewith, a central axis body disposed within said upper housing body and rigidly affixed to said revolving body for rotation therewith, and a pressure compensator mounted on said central axis body and rigidly affixed to said upper housing body, said pressure compensator comprising a pressure compensator body including an upper surface, a lower surface, and an outer periphery, a plurality of flow orifices passing through said pressure compensator body from said upper surface to said lower surface thereof, a corresponding plurality of flexible flow control members capable of at least partially blocking said plurality of flow orifices to provide said plurality of flow orifices with predetermined flow areas, whereby said plurality of flexible flow control members are caused to flex and reduce said predetermined flow area at increased water pressure, said central axis body including a corresponding plurality of flow openings and a flow blocking surface, whereby upon rotation of said revolving body and said central axis body said flow blocking surface can selectively block the flow in predetermined ones of said plurality of flow orifices to alter the total flow of water through said flow controller.
Dependencies are inferred from the claim text.