Fluid expansion tank
US10557544B1 · kind B1 · utility
2Cited by
31References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2017 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86324
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic fluid expansion tank is located inside a housing of a drive device and includes an upper check valve and a lower check valve in communication with a sump located within the drive device and an internal volume of the expansion tank. The tank may also include a vent opening in communication with a vent of the drive device that is in communication with atmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.