Patent ID: 7509719

Claim:
Device for lubricating machines and machine tools, having at least one rotating element ( 22 ), rotatably mounted on at least one bearing means ( 23 , 24 ) in a housing ( 20 ) comprising at least one lubricant path ( 19 ) in said housing extending from an inlet ( 18 ), to an outlet ( 42 , 43 ) and communicating with said at least one bearing means ( 23 , 24 ); a lubricant-mist generation assembly connected to said inlet ( 18 ) for feeding lubricant mist into the lubricant path under pressure, the lubricant mist flowing through the lubricant path toward said outlet ( 42 , 43 ); at least one free space ( 25 , 38 ) in said housing having interior walls and lying in said lubricant path with lubricant-mist flowing therethrough, said space being at least one of a space containing said at least one bearing means or a space for supplying said at least one bearing means with said lubricant-mist, said lubricant-mist directly contacting the walls of said spaces and bearing means contained therein to thereby cool the walls of said spaces and cool and lubricate said bearing means; condensation means ( 45 , 47 ) for condensing unused lubricant-mist to prevent said mist from reaching said outlet; and discharge means for lubricant condensed in said lubricant condensation means.