发明名称 |
FUEL METER PROTECTED FROM ICING |
摘要 |
A fuel metering unit including a movable element including at least one fuel passage section opening upstream towards a fuel supply conduit and opening downstream towards a conduit of use through a metering slot with a flared profile having a narrow passage section flaring as far as a wide passage section, the movable element being able to be moved with respect to a fixed element between a low flow rate position in which the metering slot is for a large part obstructed and a high flow rate position in which the metering slot is for a large part exposed, the metering slot being made in the fixed element or in the movable element and its obstruction being obtained by covering the slot with a wall of the movable element or of the fixed element. |
申请公布号 |
US2017044993(A1) |
申请公布日期 |
2017.02.16 |
申请号 |
US201514825566 |
申请日期 |
2015.08.13 |
申请人 |
SNECMA |
发明人 |
Deldalle Regis Michel Paul;Barreau Anne Marie Cecile;Brocard Jean-Marie;Mouton Pierre Charles |
分类号 |
F02C9/26 |
主分类号 |
F02C9/26 |
代理机构 |
|
代理人 |
|
主权项 |
1. A fuel metering unit comprising a movable element including at least a fuel passage section opening upstream towards a fuel supply conduit and opening downstream towards a conduit of use through a metering slot with a flared profile having a narrow passage section flaring as far as a wide passage section, the movable element being able to be displaced with respect to a fixed element between a low flow rate position in which the metering slot is for a large part obstructed and a high flow rate position in which the metering slot is for a large part exposed, the metering slot being made in the fixed element or in the movable element and its obstruction being obtained by covering the slot with a wall of the movable element or of the fixed element, wherein the metering unit further includes a device configured to obstruct at least partly the narrow passage section of the metering slot when the meter is in the high flow rate position. |
地址 |
Paris FR |