| 摘要 |
<p>A scroll-type hermetic compressor is disclosed including within a hermetically sealed housing (12) a fixed scroll member(48), an orbiting scroll member (50), a main bearing frame member (52), and a crankshaft (32). An oil sump (36) is located in a discharge pressure chamber (110) in the housing. The frame member and fixed scroll member define a suction pressure chamber (98) in which the orbiting scroll member is disposed. The crankshaft includes a plate portion (76) disposed between the orbiting scroll member and a thrust surface (160) of the frame. Flexible annular seals (174, 178) are disposed within respective interfaces (166, 168) between the orbiting scroll member bottom surface and the plate portion top surface (162), and between the plate portion bottom surface (164) and the frame thrust surface. The seals provide sealing between a radially inner, oil-filled discharge region (154, 158) and a radially outer suction region (98), and actuate to compensate for axial space in the interfaces.</p> |
