| 摘要 |
FIELD: machine building. ^ SUBSTANCE: valve with linear drive that comprises a housing with flow section, inlet and outlet branch pipes, moveable control element made as a tube with a seat, a seal element located on one axis, a linear drive, reciprocating drive rod. Note here that drive rod is linked with control element by a gear unit formed by the teeth of the rack coupled with the drive rod, a gear wheel or its part and the teeth formed on the surface of the control element; the control element can be moved to the seal element and back. Version of the valve design with additional connection pipe and sealing element is possible. ^ EFFECT: improving the valve reliability when controlling flows of working media containing considerable amount of foreign inclusions. ^ 2 cl, 2 dwg |
