[특허]Dynamic ball valve sealing device for three-way valves

TAC, LLC

검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
검색연산자

검색도움말
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"

과학기술 지식인프라 ScienceON

연합인증

연합인증 가입 기관의 연구자들은 소속기관의 인증정보(ID와 암호)를 이용해 다른 대학, 연구기관, 서비스 공급자의 다양한 온라인 자원과 연구 데이터를 이용할 수 있습니다.

이는 여행자가 자국에서 발행 받은 여권으로 세계 각국을 자유롭게 여행할 수 있는 것과 같습니다.

연합인증으로 이용이 가능한 서비스는 NTIS, DataON, Edison 등이 있습니다.

한번의 인증절차만으로 연합인증 가입 서비스에 추가 로그인 없이 이용이 가능합니다.

다만, 연합인증을 위해서는 최초 1회만 인증 절차가 필요합니다. (회원이 아닐 경우 회원 가입이 필요합니다.)

연합인증 절차는 다음과 같습니다.

최초이용시에는
ScienceON에 로그인 → 연합인증 서비스 접속 → 로그인 (본인 확인 또는 회원가입) → 서비스 이용

그 이후에는
ScienceON 로그인 → 연합인증 서비스 접속 → 서비스 이용

연합인증을 활용하시면 KISTI가 제공하는 다양한 서비스를 편리하게 이용하실 수 있습니다.

특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Dynamic ball valve sealing device for three-way valves

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-005/00
미국특허분류(USC)	251/314; 251/315.01; 137/602; 137/625.41; 137/625.46
출원번호	UP-0766611 (2007-06-21)
등록번호	US-7712724 (2010-06-03)
발명자 / 주소	Thomas, Kurt R.
출원인 / 주소	TAC, LLC
대리인 / 주소	Reinhart Boerner Van Deuren P.C.
인용정보	피인용 횟수 : 3 인용 특허 : 21

초록
▼

A ball valve having improved sealing between the valve member and the valve body is presented. Improved sealing is realized by providing a sealing member that is allowed to float on the outer surface of the valve member in the closed position. By being able to float on the outer surface, the sealing member can compensate for any variations in the valve member as a result of machining tolerances or variations in position of the valve member due to changes in pressure within the valve, thereby providing dynamic sealing The dynamic sealing is also provided ...

대표
청구항
▼

What is claimed is: 1. A ball valve comprising: a valve body defining a flow passage having a plurality of flow ports and a valve chamber thereinbetween; a valve member disposed within the valve chamber and having a through passage therein defining through passage openings, the valve member selectively movable within the valve chamber between an open position and a closed position, the open position providing an in-fluid-communication alignment of the through passage with a first flow port of the plurality of flow ports and at least another one of the plurality of flow ports, and the closed position providing an out-of-fluid-communication alignment of the through passage with the first flow port for blocking flow between the first port and the through passage; a seal including a seal member carried by the valve body in sealing contact with the first port, the seal member having, in the open position, a first end substantially aligned with a first one of the through passage openings and positioned a first distance from an axis of rotation of the valve member, and in the closed position, the seal member is aligned with and in sealing contact with a seal-off portion of the surface of the valve member and positioned a second distance from the axis of rotation, the second distance being greater than the first distance; and a spring member biasing the dynamic seal member toward the valve member. 2. The ball valve of claim 1, wherein the seal-off portion of the surface of the valve member is imperforate. 3. The ball valve of claim 2, wherein the geometry of the valve member is configured such that voids are formed by deviations of the valve member from having a continuously rotation symmetric outer surface about the axis of rotation. 4. The ball valve of claim 3, wherein the surface of the valve member is generally spherical and the voids are defined by deviations in the spherical shape defined by the through passage openings intersecting the outer surface. 5. The ball valve of claim 4, wherein a diameter of a valve member end of the seal member is smaller than a diameter of at least one of the through passage openings. 6. The ball valve of claim 3, wherein the valve member end of the seal member penetrates one of the voids in the open position. 7. The ball valve of claim 3, wherein at least one void is formed by the valve member having an outer surface that surrounds the axis of rotation of the valve member that generally has minor and major axes, the voids being formed proximate the minor axis and at least one of the through passage openings is formed proximate a minor axis of the valve member. 8. The ball valve of claim 1, wherein the first flow port is substantially perpendicular to a second flow port of the plurality of flow ports. 9. The ball valve of claim 1, wherein the spring member is interposed between a retainer and the seal member. 10. The ball valve of claim 9, wherein the position of the retainer is variable. 11. The ball valve of claim 1, wherein the seal member is slidingly carried in the first port, and a valve chamber end of the seal member extends into the valve chamber. 12. The ball valve of claim 11, wherein the seal includes an auxiliary seal member, and the seal member includes a ramped back surface, the auxiliary seal interposed between the ramped back surface and the spring member and forming a seal between an inner surface of the first port and the ramped back surface. 13. The ball valve of claim 12, wherein the auxiliary seal member is an o-ring, and the spring member acts directly on the o-ring and thereby on the seal member, the o-ring being increasingly wedged between the ramped back surface and the inner surface of the first port to increase a sealing pressure on the inner surface of the first flow port and ramped back surface as the biasing force provided by the spring member increases. 14. The ball valve of claim 12, wherein the tapered back surface and the valve chamber end define opposite ends of the seal member, the seal member further includes an extension portion and a radial flange, the extension portion adjacent to and transitioning into the valve chamber end, the flange being interposed between the extension portion and the tapered back surface and extending outward beyond the extension portion, and the first flow port of the valve body includes a first bore having a first diameter and a second bore adjacent to the first bore having a second diameter, smaller than the first, the adjacent bores defining a shoulder, the second bore connecting the first bore with the valve chamber, at least part of the extension portion of the seal member slidingly carried in the second bore and being longer in length than the second bore. 15. The ball valve of claim 1, wherein transitioning the valve member from the open position to the closed position causes the spring member to provide a larger biasing force in the closed position than in the open position. 16. The ball valve of claim 1, wherein at least one of an outer surface of the seal member and an inner surface of the through passage openings includes a tapered region, the tapered region adapted assist biasing the seal member while transitioning the valve member from the open position to the closed position. 17. The ball valve of claim 1, wherein the seal member is out of contact with the valve member in the open position.

이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 (3)

IPC 상위 출원인

내보내기

상세정보
내보내기 구분	파일저장 인쇄 메일전송
구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	> 총 건의 자료가 검색되었습니다. > 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) > 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. > 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) > 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오 > ~ > Text(ASCII format) Excel format

과학기술 지식인프라 ScienceON

ScienceON Chatbot

연합인증

특허 상세정보

Dynamic ball valve sealing device for three-way valves

초록
▼

대표
청구항
▼

이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 (3)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

ScienceON Chatbot

연합인증

특허 상세정보

Dynamic ball valve sealing device for three-way valves

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (21)

이 특허를 인용한 특허 (3)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

초록
▼

대표
청구항
▼