| 摘要 |
<p>An improvement in a servovalve employing spool-valve-position feedback provided by a feedback spring, wherein the feedback spring centerline is not aligned vertically with the center line of the spool valve, comprising a receiving hole in the spool valve body and a slot in the spool for feedback spring clearance; a pin or ball rigidly attached to the feedback spring with the portions of the pin or the ball which contact the sides of the receiving hole fitting in face to face relation to the inner surface of recesses formed in the slot by the hole.</p> |
