| 摘要 |
Axial bearing for reciprocating hermetic compressors, of the type including: a hermetic shell (1), in which inside is mounted a cylinder block (3), provided with a main bearing (6), which carries, at its upper portion, an axial bearing (9, 10), supporting a crankshaft (5), an oil sump (8) being defined at the lower portion of said shell (1), said axial bearing (9, 10) presenting a contact face (9a, 10a) onto which is supported an adjacent lower face of a peripheral flange (5a) of the crankshft (5), at least part of the contact face (10a) of the axial bearing (10) being lowered in relation to a contact plane orthogonal to the crankshaft (5), defining at least one lowered portion (11), which is continuously supplied with the oil from the sump (8), defining a respective converging hydrodynamic wedge for supporting the peripheral flange (5a). |
