Patent ID: 9708981
Date: 2017-07-18
CPC Classifications: F01D,F01M,F02C,F05D,F16C

Claim:
1. A lubricant feed method for feeding a turbomachine with lubricant, said turbomachine having at least a first set of bearings and a second set of bearings, both the first and the second set being fed with lubricant, and the second set of bearings operating at a bearing temperature that is higher than a bearing temperature of the first set, the method comprising a step of heating a lubricant flow upstream from the second set of bearings by exchanging heat with a flow of lubricant returning from the second set of bearings, so that the second set of bearings is fed with lubricant at a lubricant temperature that is higher than a lubricant temperature of lubricant fed to the first set of bearings.