| 摘要 |
Soil pumping ejector device made of pressure chamber (1), which consists of casing (2) with a cover (3). Inside chamber (1) there is installed a cone (11) and diffuser, which consists of two parts (4, 5) interconnected by a spring (6). To the hidden part of diffuser there is a handle (7) attached. The handle is taken outside from the casing (2) through an opening (8). Cone (11) with the diffuser part (4) comprise a circular nozzle sphere (14). |
