Air pressure regulated axle sump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 2013
Grant Date -
Aug 30, 2012
app pub date -
Feb 24, 2011
filing date -
Feb 24, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and associated apparatus for controlling fluid levels within an axle tube, the method comprising: (a) establishing a first predetermined level of a liquid lubricant within a transmission and an electric motor operatively coupled to the electric motor, the axle tube housing the electric motor and the transmission, where a cavity interposing a wall of the axle tube and the electric motor is occupied by the liquid lubricant reservoir at a second predetermined level; and, (b) lowering the first predetermined level of a liquid lubricant within the electric motor and the transmission by changing a gas pressure exerted upon the liquid lubricant, where changing the gas pressure exerted upon the liquid lubricant within the axle tube raises the second predetermined level of liquid lubricant within the cavity.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- B60K Class
- 1317 Applications Filed
- 1083 Patents Issued To-Date
- 82.24 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- B60K Class
- 4.72 % this patent is cited more than
- 12 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 16, 2025 |
