Pump as well as a recirculation device for a pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 20, 2017
Issued Date -
N/A
app pub date -
Feb 8, 2013
filing date -
Feb 10, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a pump for conveying a pump having a pump rotor rotatably supported about an axis of rotation in a pump stator in the operating state and a rotor shaft is arranged in a shaft leadthrough such that a lubricating film of a lubricating fluid formed from the pump fluid can be formed in a ring gap between the rotor shaft and the shaft leadthrough; and wherein a separation device is provided at the rotor shaft by which a predefinable quantity of an ingredient can be separated from the pump fluid by means of a centrifugal force for providing the lubricating fluid at the ring gap in the operating state, wherein a recirculation device is provided so that a gas can be recirculated with the aid of the separation device.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F04D 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 | Dec 20, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 20, 2028 |
