| 摘要 |
<p>A motor-driven compressor includes a back pressure region (62, 27a) that pushes a movable scroll (23) against a fixed scroll (22). The back pressure region (62, 27a) is located at a side of the movable scroll (23) located proximate to an opposing member (21, 24). A defining portion (23e), which is arranged on a movable end face, contact an opposing end face (24b) to define the back pressure region (62, 27a) and a suction pressure region (121, 211, 24h, 32, 221 h, 31). The opposing member (21 24) includes a communicating portion (21e, 24a). An orbiting motion of the movable scroll (23) moves the defining portion (23e). This intermittently communicates the communicating portion (21e, 24a) with the back pressure region (62, 27a) and the suction pressure region (121, 211, 24h, 32, 221h, 31).</p> |
