Patent ID: 11879804
Assignee: AKTIEBOLAGET SKF
Field: Measurement (Instruments)
Classification: CPC G  F | IPC F  G

Claim 0:
1. A method executed by one or more computing devices for thermal analysis of a bearing unit, the method comprising:
a. receiving, using at least one computer processor, input and boundary conditions of an application,
b. defining, using at least one computer processor, contact areas and load distribution between components of the bearing unit,
c. generating, using at least one computer processor, a set of conduction resistances and a set of thermal convections of components of the bearing unit respectively,
d. generating, using at least one computer processor, a heat generated by friction between the components which are in contact with each other at the contact areas between components and a heat distribution on a plurality of isothermal nodes which discretize the bearing unit, wherein the plurality of isothermal nodes comprises twenty-six isothermal nodes,
e. defining, using at least one computer processor, a thermal interaction between the plurality of isothermal nodes,
f. performing, using at least one computer processor, thermal balancing the plurality of isothermal nodes,
g. generating, using at least one computer processor, a temperature range of the bearing unit,
h. comparing, using at least one computer processor, resulting operating temperature on an isothermal node of a sealing device of the bearing unit and a relative maximum allowable temperature, and if the operating temperature and the relative maximum allowable temperature values are different from each other, repeat the method from step a. to step h, wherein the bearing unit comprises a radially inner ring and a radially outer ring and the sealing device comprises at least one contacting lip in sliding contact with one of the radially inner ring and the radially outer ring.