Floating rod seal for a stirling cycle machine
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United States of America Patent
Stats
-
Nov 21, 2017
Grant Date -
Jul 3, 2014
app pub date -
Mar 15, 2013
filing date -
Jul 1, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A piston rod seal unit. The piston rod seal unit includes a housing, a cylinder gland, and at least one floating rod seal assembly mounted in the cylinder gland, the floating rod seal assembly comprising at least one rod seal mounted onto the floating rod seal assembly.
First Claim
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International Classification(s)
- F01K:STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PL....
- F23N:REGULATING OR CONTROLLING COMBUSTION
- F28D:HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTH....
- F28F:DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATU....
- F23D:BURNERS
- F02G:HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEME....
- F16J:PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; S....
- 2013 Application Filing Year
- F01K Class
- 260 Applications Filed
- 236 Patents Issued To-Date
- 90.77 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F01K Class
- 25 % 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 21, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 21, 2029 |
