Gearbox with sealed accessory vent
US9890846B2 · kind B2 · utility
1Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2015 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | May 20, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/608
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gearbox vent apparatus includes: a gearbox; an accessory contained in a case mounted to the gearbox such than an interior space of the case communicates with an interior space of the gearbox, wherein the case includes a sidewall and an endwall, a hollow drive shaft mounted for rotation inside the case; an annular first seal element mounted to the drive shaft; an annular second seal element mounted to the case and contacting the first seal element so as to define a sealing interface; and a vent tube having a forward end coupled to the endwall in fluid communication with the drive shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.