| 摘要 |
<p>1, 010, 502. Fluid pressure servomotor systems. FAWICK CORPORATION. April 2, 1964 [April 22, 1963], No. 13684/64. Heading G3P. [Also in Division F2] A pressure relief valve 14 which normally controls flow from an inlet 18 to a passage 33 through a valve 11 and passage 57 is loaded by the inlet pressure acting on the right hand side of the valve and the pressure in the passage 57 fed through an orifice 70 to act on the left hand side of the valve. If the pressure on the left hand side exceeds a predetermined value, it opens and a non- return valve 80 to connect the left hand side to an exhaust chamber 67 and the valve then moves to the left to connect the inlet 18 to exhaust.</p> |
