| 摘要 |
A scroll device including two coupled stages (T, P) on a rotary shaft, at both ends of an intermediate electric power device (G), wherein the first stage is formed by a first pressure variation device (T) of an operating fluid, comprising a scroll case (11) containing a fixed scroll (12) and a mobile scroll (13) relatively to the case, and with admission (A) and outlet (B) ports, and characterized in that the second stage is a feed pump (P) which pumps the operating liquid and provides it in return. |
