Seal apparatus
US7249769B2 · kind B2 · utility
17Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2005 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jun 27, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/4472
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal (40) provides sealing between two pressure zones (60, 62) and a rotating and non-rotating member (42, 52) by providing a first sealing member (46) between two seal lands (48, 50). A second seal (64) is mounted between the non-rotating member (52, 58) and one of the seal lands (50, 66) so as to control pressure around the seal lands (48, 50).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.