| 摘要 |
<p>The invention relates to a suction apparatus meant to be used in the field of hydrostatic drives. According to the invention, the apparatus has a pressure connection (P), an intake connection (Ta) which, through a tank of a control distributor, makes the connection with a working chamber of a single-acting hydraulic cylinder, and a third tank connection (T) which connects the working chamber to a basin of an installation, and comprises a body (1) wherein there is mounted a conical throttle (3) which can close or open the supply orifice of a calibrated nozzle (4) and which can be hand actuated by a rod (10) and screwed in into a threaded bushing (2), the throttle (3) being secured in the closed position by screwing up a nut (6), while some washers (7 and 8) confine the recess of the dynamic seal of the rod (10 of the throttle (3) and the nozzle (4) is sealed within the body by a joint (14), a nipple (5) being also screwed in into the body and sealed by a joint (9), and a filter (13) being mounted in the pressure connection (P), to protect the nozzle (4).</p> |
