MULTI-COMPRESSOR REFRIGERATION SYSTEM HAVING A COMMON OIL EQUALIZATION LINE PROVIDED WITH AN OIL PUMPING DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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N/A
Issued Date -
Jan 9, 2025
app pub date -
Jun 28, 2024
filing date -
Jun 28, 2024
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
The multi-compressor refrigeration system comprising a controller and a multi-compressor device including at least three compressors which are coupled in parallel, each compressor equipped with an oil sump and an oil level detection device, the compressors divided into two groups each including at least one compressor; suction fittings of the compressors that are fluidly connected by a common suction line and oil sumps that are fluidly connected by a common oil equalization line. The multi-compressor device includes an oil pumping device located in the common oil equalization line and between the two groups, and at least one valve located in the common oil equalization line and configured to control an oil flow between the oil pumping device and at least one compressor of a group associated with the at least one valve.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DANFOSS COMMERCIAL COMPRESSORS | ROUTE DÉPARTEMENTALE 28 ZI LIEUDIT LES COMMUNAUX REYRIEUX 01600 |
International Classification(s)

- 2024 Application Filing Year
- F25B Class
- 513 Applications Filed
- 30 Patents Issued To-Date
- 5.85 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
DARGHAM, Remi Bou | Villeurbanne, FR | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
DAUSSIN, Arnaud | Trevoux, FR | 15 | 25 |
# of filed Patents : 15 Total Citations : 25 | |||
DELORME, Alexis | Trevoux, FR | 4 | 1 |
# of filed Patents : 4 Total Citations : 1 | |||
LAISSUS, Jean-Jacques | Reyrieux, Rhone-Aples Region, FR | 21 | 133 |
# of filed Patents : 21 Total Citations : 133 |
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Patent Citation Ranking
- 0 Citation Count
- F25B 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 | Jul 9, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 9, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 9, 2036 |
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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