검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | B01D-061/12 |
미국특허분류(USC) | 210/652 ; 210/259 ; 210/411 ; 210/32169 |
출원번호 | US-0300638 (1994-09-02) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 34 인용 특허 : 15 |
A water purification and dispensing apparatus comprises a water inlet for obtaining water from a supply source and a water purification system with filters for removing impurities from the source water to produce purified water. The water purification system is designed to respond to a demand condition for purified water by recirculating purified water in the apparatus to flush the filters of the water purification system. The apparatus also includes a mineralization system and has a dispensing system for dispensing the mineralized purified water into co...
A process for purifying and dispensing water comprising the steps of: obtaining unpurified water from a supply source; providing a demand condition for purified water; filtering the unpurified water through filtering means to obtain purified water, said filtering means including a reverse osmosis element which creates the purified water and a concentrate; on receiving the demand condition, recycling purified water from the filtering means by recirculating the purified water from the filtering means back through the filtering means to flush said filtering...