Turboshaft engine casing joint with reinforced axial restraint

Details Turboshaft engine casing joint with reinforced axial restraint Turboshaft engine casing joint with reinforced axial restraint

1990-12-12

1992-03-17

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

415 9, 4152141, 60 39091, 285117, 285363, 403337, 403381, F01D 2528

Patent

active

050963775

ABSTRACT:
The casing of a turboshaft engine, particularly a turbojet engine with a high speed propeller, comprises axially successive shells which are fixed firmly to each other end to end by bolted coupling flanges, at least one of the shells comprising an additional mechanical axial retaining joint enabling the connection between the shells to withstand any exceptional stresses such as those caused by the loss of a propeller blade of the turbojet engine. Preferably the retaining joint comprises a radially inwardly directed tongue carried by one of the shells and received in a radially outwardly open groove provided in a portion of the other shell or a member securely fixed thereto.

REFERENCES:
patent: 1389542 (1921-08-01), Wereley
patent: 2169092 (1939-08-01), Doran
patent: 3544232 (1970-12-01), Zerlauth

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