Rotating electric machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 1, 2018
Issued Date -
N/A
app pub date -
Aug 31, 2015
filing date -
Apr 28, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A coolant flow path structure which cools a rotor is configured of a first coolant flow path forming a radial coolant flow path of the rotor and a second coolant flow path communicating with the first coolant flow path and forming an axial coolant flow path of the rotor, and a negative pressure structure, which brings an exist of the coolant flow path structure into a negative pressure as a result of a rotation of the rotor, is provided at the exit of the second coolant flow path.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- H02K Class
- 2569 Applications Filed
- 1988 Patents Issued To-Date
- 77.39 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- H02K Class
- 23.38 % 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 | Nov 1, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 1, 2029 |
