LUBRICANT RESERVOIR WITH INTEGRATED HEAT EXCHANGER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 16, 2024
app pub date -
Nov 14, 2022
filing date -
Nov 14, 2022
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
An apparatus is provided for a gas turbine engine. This engine apparatus includes a lubricant reservoir, a lubricant circuit and a compressed air circuit. The lubricant reservoir includes an internal cavity, a compressed air passage and a reservoir wall at least partially forming an outer peripheral boundary of the internal cavity. The internal cavity is configured to contain lubricant. The compressed air passage extends within the reservoir wall along at least a portion of the outer peripheral boundary of the internal cavity. The lubricant circuit is fluidly coupled with the internal cavity. The compressed air circuit is fluidly coupled with the compressed air passage.
First Claim
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Family
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PRATT & WHITNEY CANADA CORP | 1000 MARIE VICTORIN LONGUEUIL QUEBEC J4G 1A1 |
International Classification(s)

- 2022 Application Filing Year
- F01M Class
- 151 Applications Filed
- 83 Patents Issued To-Date
- 54.97 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Durocher, Eric S | Boucherville, CA | 13 | 10 |
# of filed Patents : 13 Total Citations : 10 | |||
Naccache, Gabriel | Longueuil, CA | 10 | 5 |
# of filed Patents : 10 Total Citations : 5 |
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Patent Citation Ranking
- 0 Citation Count
- F01M Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 16, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 16, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 16, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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