| 摘要 |
<p>A device for restricting fluid flow comprises a rigid body (1) having a smooth surface (9); a fluid inlet tube (7) opening onto said smooth surface in a first region; a fluid outlet tube (10) opening onto said smooth surface in a second region removed from the first; and a wire (4) wound so as to form contiguous coils (A, 4B), which are applied against the rigid body's smooth surface (9). A channel (8) is so formed as to be delimited by said smooth surface, a coil and a coil contiguous to said coil. This results in a channel of reduced section having more or less the same length as the wire, said channel (8) serving to restrict fluid flow.</p> |
