Track maintenance machine with an autonomous and redundant power supply and method for operating an energy supply system of a track maintenance machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 22, 2020
Grant Date -
Jan 17, 2019
app pub date -
Aug 26, 2016
filing date -
Sep 23, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A track maintenance machine includes a machine frame being movable on a track, a plurality of working units, and a combustion engine to be connected by a clutch to a transfer case. Hydraulic pumps for supplying a plurality of hydraulic drives of a hydraulic system are connected to the transfer case. An electric motor is provided as an alternative drive of the transfer case for permanent energy supply of the working units and drives. The electric motor is coupled to an intermediate circuit to be supplied with electric energy by a vertically adjustable pantograph to be applied to a catenary of the track. A generator or an electric energy storage device is provided for alternative energy supply of the intermediate circuit. A method for operation of an energy supply system is also provided.
First Claim
Family
International Classification(s)
- 2016 Application Filing Year
- B60K Class
- 2914 Applications Filed
- 2276 Patents Issued To-Date
- 78.11 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B60K Class
- 38.23 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 22, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 22, 2032 |
