| 摘要 |
<p>Disclosed is a cell having a variable volume chamber and a fluid supply circuit for an ink jet printing head which is equipped therewith, the cell including a variable volume chamber (1) connected to a pressure sensor (5) and to at least a pair of valves (7, 9) each associated with a restriction (8, 10); the variation of volume being obtained by a piston actuated by an eccentric (3) secured to the rotor of a motor (4).</p> |
