Scroll expander with exhaust path thru bearings and a partition plate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 27, 2022
Grant Date -
Aug 19, 2021
app pub date -
May 17, 2019
filing date -
Jun 8, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A housing of a scroll type expansion machine includes: a suction port formed at a position on the opposite side to a drive shaft with a fixed scroll interposed therebetween; a discharge port formed on the side of a drive-side bearing closer to the tip end of the drive shaft; a low pressure chamber formed on the outer side of an orbiting-side scroll portion when viewed from the axial direction of the drive shaft; and a tip end-side low-pressure space being a space in which a sealing member is disposed, and has: a partition wall partitioning the tip end-side low-pressure space and the low-pressure chamber from each other; and a communication space communicating the tip end-side low-pressure space with the low-pressure chamber.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2019 Application Filing Year
- F01C Class
- 123 Applications Filed
- 99 Patents Issued To-Date
- 80.49 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F01C Class
- 0 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Mar 27, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 27, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 27, 2034 |
