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Water treatment device with volume totalization valve 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-035/143
출원번호 US-0207380 (1994-03-08)
발명자 / 주소
  • Hembree Richard D. (Edina MN) Sullivan Brian F. (Minneapolis MN)
출원인 / 주소
  • Recovery Engineering, Inc. (Minneapolis MN 02)
인용정보 피인용 횟수 : 85  인용 특허 : 0

초록 ▼

A water treatment device including an arrangement having mechanisms for mechanically totaling the volume of water filtered and for indicating when the replaceable filter cartridge has reached the end of its useful life. End-of-life indication is provided by a valve mechanism for stopping flow after

대표청구항 ▼

An arrangement in a water treatment device, comprising: (a) a replaceable filter cartridge; (b) flow totalization means for mechanically totalling a volume of water that has been filtered through said replaceable filter cartridge; (c) means for indicating end of life of said replaceable filter cartr

이 특허를 인용한 특허 (85)

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