| 摘要 |
<p>An idle needle valve for a carburettor of an internal combustion engine having provision for controlling the position thereof with respect to the valve seat of the idle jet. The valve has a head stem element (5), a sleeve (2) and control means (6) for opening and closing the valve in response to selected engine operating conditions. The control means (6) may comprise vacuum responsive or electromagnetic means. </p> |
