P04TU drive ring
US9915350B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2015 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Mar 9, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/38
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A mechanical seal includes an elastomeric member, a spring biasing member, a longitudinally floating first member, a longitudinally non-floating second member, a longitudinally floating third member and a longitudinally floating seal face. The elastomeric member is in sealing engagement with the seal face and the first and second members and the spring biasing member is longitudinally pointed between the seal face and the third member. The first and second members are longitudinally restrained and rotationally coupled by male longitudinally protruding portions engaging with female portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.