| 摘要 |
<p>A housing of a valve (1) has a frontal circular plate (8) positioned therein. A frontal friction bearing (3) and back circular plate (10) are mounted in the frontal circular plate. A back friction bearing (4) is mounted in the back circular plate (10). In the back friction bearing (4), there is a spindle (11) movably positioned in the axial direction of the valve's housing (1). A cone (2) of the valve with a plate (7) of the valve, which is movably positioned in the frontal friction bearing (3), attaches to a frontal end of the spindle (11). A spring (5) is nested upon the spindle of the valve, in between the back friction bearing (4) and cone (2) of the valve. The cross-sectional area of the valve plate (7) is smaller than the clear cross-section of the housing (1). An annular opening is made in between an inner wall (28) of the valve's housing (1) and outside diameter of the valve plate (7). A frontal end (20) of the housing is adjusted to be attached to by a gas pipe via a connecting member having a frontal external thread (21). The cross-sectional area of the inner wall (28) of the housing (1) is smaller at the cone (2) of the valve than at the back end (14) of the housing (1).</p> |
