Wind turbine and method of maintaining a wind turbine

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11319936
APP PUB NO 20220049684A1
SERIAL NO

17293222

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Wind turbine installation (1) comprising a tower (2), a nacelle (3), —a liquid immersed power electrical device (6) having an expansion vessel (7), an air dehydrating breather (8) comprising a moisture absorbing agent (9), and a conduit (10) fluidly connecting the expansion vessel (7) and the air dehydrating breather (8), wherein the wind turbine installation (1) comprises a barrier (11) separating a restricted zone (12) from a non-restricted zone (13) in said wind turbine installation (1), wherein the electrical device (6) is located in the restricted zone (12), wherein the air dehydrating breather (8) is located in the non-restricted zone (12) and wherein the conduit (10) extends through the barrier (11) and a method of maintaining a wind turbine installation (1).

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Patent Owner(s)

Patent OwnerAddress
VESTAS WIND SYSTEMS A/SHEDEAGER 42 DK-8200 AARHUS N

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hillebrandt, Jesper Aarhus N., DK 5 13

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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 3, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 3, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 3, 2033
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