초록 ▼

A flow controller, for limiting total maximum water flow through a domestic flow appliance, is provided by a molded flexible body shaped to provide a deformable central flow orifice and an outermost sealing section that is adapted to be operatively positioned at the joint between a supply conduit an

A flow controller, for limiting total maximum water flow through a domestic flow appliance, is provided by a molded flexible body shaped to provide a deformable central flow orifice and an outermost sealing section that is adapted to be operatively positioned at the joint between a supply conduit and the flow appliance, such as a showerhead, aerator, or the like. Associated with the flow controller are: (1) an annular tubular support for positioning the portion of the flexible body with the deformable central flow orifice upstream of the sealing section, and (2) a cavitation noise reducer located immediately downstream of said central flow orifice. The cavitation noise reducer has specific construction features for use with specific appliances, and may also be provided with a downstream tubular flow straightener, or simulator, of selected length and width dimensions to effectively develop a frictional effect that reduces undesirable sound that normally accompanies use of a flow controller.

대표청구항 ▼

In a flow controller for limiting the amount of liquid discharged through a flow appliance that is to be removably secured to the discharge end of a flow conduit, wherein said flow controller includes a unitary, elongated, annular, molded body shaped to provide an outermost annular flange that, upon

In a flow controller for limiting the amount of liquid discharged through a flow appliance that is to be removably secured to the discharge end of a flow conduit, wherein said flow controller includes a unitary, elongated, annular, molded body shaped to provide an outermost annular flange that, upon connection of the flow appliance to the flow conduit, operates to provide a seal to prevent leakage of fluid at the joint between the appliance and the flow conduit, an innermost annular portion of said molded body defining at its innermost periphery an annular resiliently deformable lip whose deformation under the pressure of flowing fluid operates to constrict the size of the flow orifice bounded by said lip, for limiting the volume of fluid flow therethrough to a predetermined maximum, and an annular support for central portions of the molded body that are located axially between said outermost annular flange and said annular deformable lip, said support including an elongated sleeve that serves to space the deformable lip within the flow conduit upstream of said seal between the conduit and the flow appliance; the improvement comprising, in combination: the radial extent of the annular deformable lip being selected so that prior to deformation under pressure of flowing water said lip extends radially inwardly of an upstream projection of the flow path bounded by the elongated sleeve of the annular support, and said support including an annular flange extending radially outwardly of said elongated sleeve and having a maximum diameter less than the diameter of the annular flange on the molded body.