Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.2703/MUM/2012 A
(19) INDIA
(22) Date of filing of Application :17/09/2012 (43) Publication Date : 21/06/2013
(54) Title of the invention : METHOD AND ARRANGEMENT FOR CONTROLLING THE LUBRICATION OF A GEAR
SYSTEM
(51) International classification :F16H57/04
(31) Priority Document No :11182316.7
(32) Priority Date :22/09/2011
(33) Name of priority country :EPO
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No :N/A
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)MOVENTAS WIND OY
Address of Applicant :VESANGANTIE 1,P.O. BOX 158,
FI-40101 JYVASKYLA, FINLAND
(72)Name of Inventor :
1)UUSITALO, KARI
2)ELFSTROM, JUKKA
(57) Abstract :
A gear lubrication arrangement comprises a lubrication pump for circulating lubrication fluid. A power source coupled to the
lubrication pump drives the lubrication pump, and a controller controls an output power of the lubrication pump. The gear
lubrication arrangement comprises a pressure sensor disposed down-stream of the lubrication pump The pressure sensor is
configured to measure a pressure of the lubrication fluid and to produce a pressure indication signal representative thereof. The
controller is arranged to vary the output power of the lubrication pump at least partly on the basis of the pressure indication signal.
Ref.
No. of Pages : 18 No. of Claims : 15
The Patent Office Journal 21/06/2013 13606