Hydraulic valve arrangement with control/regulating function
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2017
Issued Date -
N/A
app pub date -
Nov 19, 2014
filing date -
Nov 19, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a hydraulic valve arrangement for controlling/regulating at least one hydraulic consumer of a mobile machine, with a summation interconnection of at least two hydraulic valves and at least one consumer interconnection of hydraulic valves, wherein the outputs of the summation interconnection are hydraulically connected with the inputs of the consumer interconnection, wherein at least one backflow valve is provided in the consumer interconnection. According to the invention, the at least one backflow valve for throttling a consumer return volume flow opens or closes in dependence on a consumer inflow pressure and comprises at least one main piston arranged in a bushing and at least two further pistons arranged in a lid separate from the bushing.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- F15B Class
- 519 Applications Filed
- 441 Patents Issued To-Date
- 84.98 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F15B Class
- 0 % this patent is cited more than
- 8 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 | May 28, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2029 |
