IP Library › Granted Patent US 11,008,942
Granted Patent B2
US 11,008,942 · App. 16/522,535 · Granted May 18, 2021

Lubricating oil piping gutter of an aircraft turbomachine

Inventors: Christophe Paul Jacquemard (Moissy-Cramayel, FR); Didier Gabriel Bertrand Desombre (Moissy-Cramayel, FR); Serge René Morreale (Moissy-Cramayel, FR)
Assignee: SAFRAN AIRCRAFT ENGINES
F02C7/06F01D25/18F16H57/042
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Quick Facts
Patent No.
US 11,008,942
App. No.
16/522,535
Granted
May 18, 2021
Kind
B2
Abstract

The present disclosure describes a lubrication oil piping gutter of an aircraft turbomachine. The lubrication oil piping gutter can be used for a sun gear train reducer of the turbomachine. The gutter may include two lateral annular walls connected at their outer periphery by an annular bottom wall. In some embodiments, the annular bottom wall may include at least one oil evacuation opening in which is located a deflector configured to facilitate the flow of oil radially from the inside to the outside of the gutter.

Claims (13)

1. A lubrication oil piping gutter of an aircraft turbomachine, for a sun gear train reducer of the aircraft turbomachine, comprising:

two lateral annular walls connected at their outer periphery by an annular bottom wall,

the annular bottom wall includes at least one oil evacuation opening,

a deflector located in the at least one oil evacuation opening, the deflector configured to facilitate a flow of oil radially from inside to outside of the lubrication oil piping gutter, wherein the deflector has a L-shape and comprises a first wall extending into the lubrication oil piping gutter and a second wall extending from the first wall to outside of the lubrication oil piping gutter.

2. The lubrication oil piping gutter according to claim 1 , wherein the first wall extends parallel to the annular bottom wall of the lubrication oil piping gutter, and the second wall extends in a plane passing through an axis of revolution of the lubrication oil piping gutter.

3. The lubrication oil piping gutter according to claim 1 , wherein the deflector is a part attached into the lubrication oil piping gutter.

4. The lubrication oil piping gutter according to claim 1 , wherein the second wall passes through the at least one oil evacuation opening.

5. The lubrication oil piping gutter according to claim 1 , wherein the second wall delimits a first oil passage with a first edge of the at least one oil evacuation opening and a second oil passage with an opposite second edge of the at least one oil evacuation opening.

6. The lubrication oil piping gutter according to claim 5 , wherein the first wall covers the first edge of the at least one oil evacuation opening.

7. The lubrication oil piping gutter according to claim 1 , wherein the deflector comprises lateral edges extending from a side of each of the lateral annular walls of the lubrication oil piping gutter, at least along the second wall.

8. The lubrication oil piping gutter according to claim 1 , wherein the deflector extends over an entire axial dimension of the annular bottom wall.

9. The lubrication oil piping gutter according to claim 1 , further including: radially outer lugs for fixing to an engine casing.

10. An aircraft turbomachine, comprising a sun gear train reducer including an outer cowl for recovering rotating mobile oil and surrounded by at least one lubrication oil piping gutter according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 4, 2019
From: JACQUEMARD, CHRISTOPHE PAUL; DESOMBRE, DIDIER GABRIEL BERTRAND; MORREALE, SERGE RENÉ
To: SAFRAN AIRCRAFT ENGINES
Reel/Frame 050909/0744 →
Priority Claims (1)
FR 1856979 · Jul 26, 2018 · national
Continuity (1)
Related Publication 20200032710A1 · Jan 30, 2020
Cited By (2)
US 12,509,996 US 12,742,496