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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/4936 ; 137/5125 ; 137/5143 ; 137/5145|
|우선권정보||DE-3612393 (1986-04-12); DE-3627865 (1986-08-16); DE-3627865 (1986-08-16)|
|발명자 / 주소|
|인용정보||피인용 횟수 : 51 인용 특허 : 0|
Check valve with a movable valve element (3), especially a valve element that is manufactured from a ball, said valve element possessing a spherical surface (7) which faces a valve seat (5) and serves as a sealing surface, possessing a radial guidance zone (11) that faces a bore (1) inside which it itself is received, and containing recesses (8) for the medium flow, said recesses connecting the region (9) of the bore (11) upstream of the guidance zone (11) to the region (10) downstream thereof.
A check valve including a valve body with a bore that serves as a flow passage, an inset ring (4) secured to said valve body, said inset ring having a flow passage coaxial with said flow passage in said valve body, said inset including a conical face which forms a conical valve seat along said conical face, a movable valve element which has a spherical surface portion that cooperates with said conical valve seat in a manner such that sealing is achieved, said movable valve element being installed in said valve body in a manner such that said movable valv...