Fly wheel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 2017
Grant Date -
Sep 17, 2015
app pub date -
Jul 3, 2013
filing date -
Aug 22, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a fly wheel, including: a fly wheel body provided with a receiving part in which air is filled and mounted on driving shaft; a blade radially coupled to the fly wheel body, including a ventilation passage formed therein to be communicated with the receiving part and a puncturing part formed on an outer race thereof to be communicated with the ventilation passage, and generating thrust by discharging the air filled in the receiving part to the puncturing part at the time of rotating the driving shaft; and a check valve installed on the fly wheel body and being opened and closed by a pressure difference between the receiving part and the outside.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- F04D Class
- 1063 Applications Filed
- 941 Patents Issued To-Date
- 88.53 % Issued To-Date
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 | Jan 4, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 4, 2029 |
