| 摘要 |
PCT No. PCT/FR94/00906 Sec. 371 Date Jan. 23, 1996 Sec. 102(e) Date Jan. 23, 1996 PCT Filed Jul. 20, 1994 PCT Pub. No. WO95/03498 PCT Pub. Date Feb. 2, 1995Volumetric coupling (38) having multiple hydraulic pumps, controlled by a ring (40) which links the discharge side directly to the suction side for each pump when the coupling is uncoupled, and seals the discharge side when the coupling is coupled. |
