Patent ID: 9334899
Filing Date: 2016-05-10
CPC Classification: C23C,F16C

Claim Text:
1. A landing bearing for use in a magnetic bearing assembly, the landing bearing comprising: a. a first landing surface; b. a second landing surface, the second landing surface facing the first landing surface and being held at least temporarily spaced apart from the first landing surface such that a gap is defined therebetween; wherein c. at least one of the first landing surface and the second landing surface is coated with a porous structure layer including pores sized to be filled with lubricant; and wherein d. the at least one of the first landing surface and the second landing surface defines at least one recess, wherein the at least one recess is in fluid communication with the pores, such that when the lubricant is disposed in the at least one recess, the lubricant flows into the pores when the first and second landing surfaces come into contact with one another, the pores having a first size and the at least one recess having a second size that is different from the first size.