Ceramic Bearing Chiller

The solution is a bearing arrangement comprising matched sets of hybrid angular contact ball bearings figs.

Ceramic bearing chiller.

Magnetic bearing chillers anyone have experience with the mcquay magnetic bearing chiller. Equidrive two stage compressor with simplified and balanced structure enables a more efficient reliable and quieter machine performance within broader operation range. Refrigerant lubricated ceramic ball bearing technology is more complex when applied in a chiller system. This degrades the surface and substantially reduces the bearing life.

Fully optimized for ultimate performance the york yz magnetic bearing centrifugal chiller is a revolutionary advancement that challenges everything about conventional chiller design. Simple and robust ceramic bearing system enables refrigerant lubrication that doesn t request oil lubrication which is requested by conventional chillers high tier variable speed starter swift restart 19dv can restart 30 seconds with ups after power recovery. 1 inner and outer rings made of through hardened stainless high. Built upon decades of industry leading chiller expertise our engineers questioned every component and challenged every assumption.

Posts 1 908 post likes. There is another technology for oil free chillers which is refrigerant lubricated ceramic ball bearings. Ceramic bearings can run lubrication free. 8 and 9 with each bearing consisting of.

The aquaedge 19dv centrifugal chiller integrates carrier s latest technologies. Micro welding happens typically with metals when the surface imperfections on the rolling element and raceway interact with one another causing an electric arc. Leveraging oil free magnetic bearings with enhanced compressor speeds and the latest trane proprietary chil heat exchanger designs the agility chiller delivers integrated part load values iplv over 40 better than the ashrae 90 1 2016 standard. This is because ceramic materials don t micro weld.

View profile view forum posts view forum threads professional member join date jul 2009 location in a mechanical room. The compressor s low speed direct drive back to back design significantly improves efficiency while balancing internal forces enabling the use of energy saving ceramic bearings that utilize the refrigerant already in the chiller as lubricant. 04 02 2010 06 30 pm 2. The simplified design of magnetic bearings such as those in the york yz and ymc chillers offers oil free operation and many added benefits including.

They require little maint no bearings to go bad the parts float i think the touchdown bearings are ceramic or. In our experience we have opted for the magnetic bearing technology because it lives up to its efficiency and low maintenance claims and its technology is simpler than the refrigerant lubricated system.