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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
BAE SYSTEMS HAGGLUNDS AKTIEBOLAG	891 82 ÖRNSKÖLDSVIK

International Classification(s)

• H02K:DYNAMO-ELECTRIC MACHINES

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lassila, Viktor	Arnäsvall, SE	11	53
# of filed Patents : 11 Total Citations : 53
Söderholm, Anders	Domsjö, SE	2	6
# of filed Patents : 2 Total Citations : 6

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• 0 Citation Count
• H02K Class

• 0 % this patent is cited more than
• 7 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 22, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 22, 2029

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 22, 2018	US,9979260,B2   US9979260B2	GRANTED PATENT AS SECOND PUBLICATION
October 08, 2015	US,20150288254,A1   US20150288254A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9979260

Method and device for liquid cooling of an electric motor

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Abstract

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The invention relates to a method for liquid cooling of an electric motor of inner rotor type having a rotor of hub type and a stator provided with windings. The method includes supplying a cooling liquid for cooling to at least one end of the hub of the rotor, feeding supplied cooling liquid at least radially in the hub by means of the rotation of the hub, and by means of the rotation of the rotor throwing thus fed cooling liquid towards the stator. The invention also relates to a device and a platform to practice the method.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2022
• LAPS2022
• FP2022
• FEPP2022
• I2018
• STCF2018
• AS2017
• P2015
• AS2015
• F2013
• PD2012

Date	Code	Event	Description
Jun 27, 2022	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jun 27, 2022	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
May 22, 2022	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: May 22, 2022
Jan 10, 2022	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
May 22, 2018	I	Issuance
May 02, 2018	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
May 12, 2017	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 036640 FRAME: 0820. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:SOEDERHOLM, ANDERS;LASSILA, VIKTOR;SIGNING DATES FROM 20150526 TO 20150605;REEL/FRAME:042452/0465 Owner name: BAE SYSTEMS HAEGGLUNDS AKTIEBOLAG, SWEDEN
Oct 08, 2015	P	Published
Sep 21, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SOEDERHOLM, ANDERS;LASSILA, VIKTOR;SIGNING DATES FROM 20150526 TO 20150605;REEL/FRAME:036640/0820 Owner name: BAE SYSTEMS HAEGGLUNDS AKTIEBOLAG, SWEDEN
Oct 24, 2013	F	Filing
Nov 07, 2012	PD	Priority Date