Invention Grant
US07640841B2 Annular seal and pump including same 失效
环形密封和泵包括相同

Annular seal and pump including same
Abstract:
A seal includes a seal body forming an annular sealing surface. The annular sealing surface includes an annular ridge protruding substantially radially from the annular sealing surface. The seal body includes an annular cavity. The seal also includes first and second annular springs located adjacent to each other in the annular cavity.
Public/Granted literature
Information query
Patent Agency Ranking
0/0