[특허]Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water

Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-031/00 B01D-013/00
출원번호	US-0748285 (1976-12-07)
발명자 / 주소	Harris Jr. Robert M. (Reseda CA)
출원인 / 주소	Foremost-McKesson, Inc. (San Francisco CA 02)
인용정보	피인용 횟수 : 82 인용 특허 : 0

초록 ▼

Method and apparatus utilizing successive reverse osmosis stages to produce highly purified water from potable water in a manner particularly suitable for use in a coin operated vending machine. The flow rates in the reverse osmosis stages are matched so that no storage tank is required between them. Operation of the purification stages is controlled by the level of purified water in a reservoir from which it is dispensed, and the level is automatically maintained within a predetermined range. A sump pan is mounted under the remainder of the machine to catch spillage, accidental overflow from the reservoir and the reject (brine) flow from the reverse osmosis stages, a sump pump is automatically actuated when the water reaches a predetermined level in the sump pan, and a valve at the feed water inlet is closed automatically in the event that the water level gets too high in either the reservoir or the sump pan. The machine will not accept coins in the event that the water in the reservoir drops to a predetermined level or fails to meet a desired standard of purity, and means is included for adding minerals to the purified water dispensed, if desired.

대표청구항 ▼

In a process for purifying and dispensing water using first and second reverse osmosis units with no means for storing water therein, the steps of: delivering water under pressure to the feed water inlet of the first reverse osmosis unit, delivering permeate directly from the first reverse osmosis unit to the feed water inlet of the second reverse osmosis unit as the permeate is produced by the first unit, with no storage of permeate between the units, delivering permeate from the second reverse osmosis unit to a storage tank, dispensing water from the tank, interrupting operation of the reverse osmosis units in the event that the water in the tank rises to a first predetermined level, resuming operation of the reverse osmosis units in the event that the water in the tank drops to a second predetermined level, collecting water spillage from the reverse osmosis units and tank in a sump pan positioned beneath the same, and pumping the water from the sump pan to a drain in the event that the water in the pan reaches a predetermined level.

이 특허를 인용한 특허 (82)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water 원문보기

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Method and apparatus utilizing staged reverse osmosis units for purifying and dispensing water 원문보기

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