公开(公告)号：US20180112429A1

公开(公告)日：2018-04-26

申请号：US15791206

申请日：2017-10-23

Applicant: Master Spas, Inc.

Inventor： Nathan Coelho ,  Michael Davenport ,  Richard Medina ,  Abhilash Pillai ,  Rakshith Asokan

IPC: E04H4/12 ,  C02F1/50 ,  B01D29/58 ,  B01D35/30

CPC classification number: E04H4/1209 ,  B01D29/21 ,  B01D29/58 ,  B01D35/306 ,  B01D2201/291 ,  B01D2201/4038 ,  C02F1/001 ,  C02F1/505 ,  C02F2103/42 ,  C02F2201/006

Abstract: A filter assembly for filtering water in spas, swimming pools, hot tubs and whirlpools, having a first or outer filter element, a second or inner filter element removably installed within the outer filter element, a first coupling member associated with the outer filter element, a second coupling member associated with the inner filter element, the first and second coupling members engaging one another to connect the inner filter element with the outer filter element, and a releasable detent arrangement resisting disengagement of the first and second coupling members from one another. The outer filter element includes a filter medium for mechanically removing particulates from a fluid to be treated and the inner filter element includes a filter medium containing fluid purifying particles.

公开(公告)号：US20200270888A1

公开(公告)日：2020-08-27

申请号：US16805505

申请日：2020-02-28

Applicant: Master Spas, Inc.

Inventor： Nathan Coelho ,  Michael Davenport ,  Richard Medina ,  Abhilash Pillai ,  Rakshith Asokan

IPC: E04H4/12 ,  C02F1/50 ,  B01D35/30 ,  B01D29/58 ,  B01D29/21 ,  C02F1/00

Abstract: A filter assembly for filtering water in spas, swimming pools, hot tubs and whirlpools, having a first or outer filter element, a second or inner filter element removably installed within the outer filter element, a first coupling member associated with the outer filter element, a second coupling member associated with the inner filter element, the first and second coupling members engaging one another to connect the inner filter element with the outer filter element, and a releasable detent arrangement resisting disengagement of the first and second coupling members from one another. The outer filter element includes a filter medium for mechanically removing particulates from a fluid to be treated and the inner filter element includes a filter medium containing fluid purifying particles.