| 摘要 |
<p>A pump consists of a tree-position four-way valve (5), a pressure source of a hydraulic oil (6) with controlled press in the range from 30 bar to 250 bar, a governor (31) and the blocks of pressure chambers (7), (8) with a common outlet (28) a working liquid. The tree-position four-way valve (5) has in cut-off condition reciprocally connected the links (3), (4), (2) with a tank (11) and his activation and disconnection in stay time is coupling with on a trigger of blowgun.</p> |
