Patent ID: 6162355
Filing Date: 2000-12-19
Classification: B01D,B23Q

Abstract:
A liquid treating device comprising:a reservoir for storing untreated liquid;a cyclone filter adapted to separate untreated liquid into clean liquid and dirty liquid, said cyclone filter having a clean liquid exit port and a dirt liquid exit port;a first pump adapted to pump liquid from said reservoir to said cyclone filter;a second pump adapted to increase the pressure of clean liquid exiting from said cyclone filter and feed the clean liquid to a target portion where the clean liquid is needed;said second pump includes a lower part, containing pump fluid, and a projecting rotation shaft;an electric motor, having a rotation shaft, disposed adjacent said second pump;a housing connecting said second pump and said electric motor together;a coupling connecting said rotation shaft of said second pump and said rotation shaft of said electric motor together inside said housing;a leakage receiving plate fitted to said rotation shaft of said electric motor in a fluid-tight state so as to receive pump fluid which may leak from said second pump;a leakage receiving flange portion extending from an inner surface of said housing to the underside of said leakage receiving plate so as to cover the entire circumferential edge of the bottom of said leakage receiving plate; anda leakage recovery opening which communicates between a space defined by the upper end of said leakage receiving flange portion and is the outside of said housing.