Drive system, in particular for a self-propelled construction machine, in particular a soil compactor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 28, 2018
Grant Date -
Jun 25, 2015
app pub date -
Dec 18, 2014
filing date -
Dec 20, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive system, in particular for a self-propelled construction machine, in particular a soil compactor, comprising an internal combustion engine comprising a drive unit, at least one hydraulic circuit with a hydraulic pump that can be driven by the drive unit, as well as a hydraulic-drive support unit with a hydraulic pump/motor assembly and at least one pressure fluid reservoir, wherein the hydraulic pump/motor assembly is or can be drivingly coupled with the drive unit or/and at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode by the drive unit or/and at least one hydraulic circuit as a pump to charge at least one pressure fluid reservoir and be operated in an drive support operating mode as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, characterized in that the hydraulic pump/motor assembly can be operated in a recirculation operating mode as a motor to start the drive unit.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- B60K Class
- 2032 Applications Filed
- 1782 Patents Issued To-Date
- 87.70 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- B60K Class
- 24.10 % this patent is cited more than
- 7 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 | Feb 28, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 28, 2030 |
