| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: hydroelectric drive comprises housing 1 with cylindrical inner chamber 2 to house piston 3 dividing said chamber into two variable-volume chambers A, B and coupled with, at least, one con-rod 4 tightly passing through chamber bottom. Said rive incorporates also two-way pump 5 with two channels P1, P2 each communicated with one of said chambers, and motor 8 to drive said pump in one or opposite selected directions. Note here that said pump is arranged in drive piston to displace jointly therewith. In compliance with this invention, motor is arranged at drive end to rotate out-of-round shaft 6 arranged in aforesaid chamber parallel with direction of piston and con-rod displacement. Note also that said shaft passes through piston 3 to interact with appropriate pump drive element 11, 21 that slides along shaft in con-rod displacement and rotates in shaft rotation. ^ EFFECT: simple servicing. ^ 3 cl, 3 dwg |
