| 摘要 |
711,088. Lubricating valves. AUDLEY ENGINEERING CO., Ltd. March 6, 1953 [March 10, 19521, No. 6136/52. Class 135 A valve comprising a closure member f slidable in a bore b arranged transversely to the inlet and outlet passages e, d and having a transverse bore g movable into and out of register with the, inlet and outlet passages, has two diametrically - opposite, longitudinal grooves p on the surface of the closure member whereby lubricant in end chambers n, o is caused to flow along the grooves from one chamber to the other, each time the valve is operated Circumferential grooves r intersected by the grooves p are preferably also provided at each end of the closure member. The valve is actuated by a screwed stem i passing through a leather &c. washer j and engaging a tapped hole in the closure member which is held against rotation by a key engaging one of the longitudinal grooves p. The operating knob h may have an indicator. |
