Patent ID: 11867076
Assignee: SAFRAN AIRCRAFT ENGINES
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 2:
3. The system according to claim 2, wherein the variable-section jet pump has a first chamber of truncated conical shape at the top, narrowing away from a mouth of the variable-section jet pump and receiving in its interior the part of the flow rate (Qp) collected from the mouth, the first chamber being surrounded by a second chamber into which the oil from the oil reservoir opens, the first chamber opening into the second chamber via an outlet, internally housing a needle carried by one end of a rod movable along a length of the first chamber, a longitudinal displacement of the rod being controlled by an actuator, the needle obstructing to a greater or lesser extent the outlet of the first chamber depending on its position along the length of the first chamber.