Hydraulic fluid storage apparatus for a transmission
US7213682B2 · kind B2 · utility
19Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2003 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Jul 19, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/0457
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic fluid storage apparatus for a transmission has a main sump and a secondary sump. The secondary sump is connected with the main sump through a restricted flow passage. The fluid within the main sump is subjected to centrifugal forces by rotating components within the transmission, such that at high speeds and high levels in the main sump, the restricted passage is closed by a centrifugal dam thereby resulting in fluid storage within the secondary sump. The fluid storage in the secondary sump returning to the main sump when the speed of the rotating components is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.