| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor-operated valve capable of performing an alignment of a female screw member in respect to a valve housing in a high precise manner without using any jig, attaining an efficient assembling work and restricting its manufacturing cost without producing any pressure loss when fluid is flowed in a flow passage.SOLUTION: This invention relates to a motor-operated valve comprising at least a valve housing having a valve seat part formed with a valve port; a female screw member fixed to and arranged at the valve housing and having a female screw part; a male screw part having a male screw part engaged in thread with the female thread member; and a valve body arranged at the male screw member, cooperating with the male screw member operated through driving of an electric motor and variably controlling an opening area of the valve port, the outer circumferential part of the female screw member is provided with a press-fitting part that is press-fitted to an inner circumferential part of the valve housing, the press-fitting part is press fitted into the valve housing, and then alignment of the valve in respect to the valve housing is carried out.SELECTED DRAWING: Figure 1 |
