| 摘要 |
<p>A rotary radial piston pump or motor has a cylinder barrel (13) rotating on a fixed pintle (14) with a fluid exit (9) at the fixed end of the pintle and an inlet (8) at the opposite free end. A fluid impeller (65, 66) boosts the pressure entering the inlet and a filter (53, 60) prevents dirt entering. When applied to a hydrostatic transmission with pump and motor on a common pintle a pair of opposed non-return valves (110, 111) admit make-up fluid at one end of the pintle and a pressure relief valve (162) provides overload relief at the other end of the pintle.</p> |
