Piston ring material for internal combus
๐
Article
๐
2010
๐
Elsevier Science
๐
English
โ 138 KB
This patent provides details of a rotary joint that is designed for the transfer of low-temperature refrigerant with a minimal running cost. The joint has a series of bellows-type mechanical seals isolating the transfer passages. Patent WO/2009/122782 appears to provide more detail on the sealing sy