Device and method for lubricating a connecting rod bearing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 14, 2022
Grant Date -
Jun 20, 2019
app pub date -
Dec 7, 2018
filing date -
Dec 20, 2017
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A device lubricates a connecting rod bearing on a crankshaft of an internal combustion engine. The device has a piston having an internal piston cooling fluid channel, and an outlet channel in fluid communication with the fluid channel. The device has a connecting rod, which is connected to the piston in an articulated, in particular pivotable, manner, and has a large connecting rod eye and a connecting channel. The large connecting rod eye is formed for receiving the connecting rod bearing. The connecting channel forms a fluid connection between the outlet channel and the large connecting rod eye so that a fluid, in particular a cooling lubricating fluid (e.g. oil), can be fed, or is fed, from the fluid channel to the large connecting rod eye via the outlet channel and the connecting channel. The connecting rod bearing can be lubricated by cooling oil from the fluid channel of the piston.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MAN TRUCK & BUS AG | 80995 MÜNCHEN |
International Classification(s)

- 2018 Application Filing Year
- F01M Class
- 344 Applications Filed
- 261 Patents Issued To-Date
- 75.88 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Dietrich, Jens | Heilsbronn, DE | 17 | 20 |
# of filed Patents : 17 Total Citations : 20 | |||
Hirschmann, Steffen | Neustadt an der Aisch, DE | 15 | 13 |
# of filed Patents : 15 Total Citations : 13 | |||
Malischewski, Thomas | Heilsbronn, DE | 27 | 19 |
# of filed Patents : 27 Total Citations : 19 | |||
Renner, Dominik | Ansbach, DE | 8 | 5 |
# of filed Patents : 8 Total Citations : 5 |
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Patent Citation Ranking
- 0 Citation Count
- F01M Class
- 0 % this patent is cited more than
- 3 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 14, 2025 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 14, 2029 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 14, 2033 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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