| 摘要 |
The invention relates to a fluid control valve (25) comprising a cylindrical housing (40) with at least one opening (41, 42) through a housing wall, a cylindrical main valve (44) axially movably arranged inside the housing (40) for controlling a fluid flow through the at least one opening (41, 42) and a main valve spring member (45) acting on the main valve (44). The main valve (44) comprises a base wall (54) defining a fluid control volume (55) and fluid main volume (56) in the cylindrical housing (40). The base wall (54) comprises an opening (57) for fluidly connecting the fluid control volume (55) with the fluid main volume (56). The fluid control valve (25) further comprises a pilot valve (58) positioned at the base wall opening (57), which pilot valve (58) is moveably arranged for controlling a fluid flow through the base wall opening (57), and an electro-mechanical actuator (59) configured to act on the pilot valve (58) for controlling the main valve (44) via the pilot valve (58). The invention also relates to a method for adjusting the axial position of a cylindrical main valve (44) of a fluid control valve (25). |
