[12] Patent
[11] Patent No.:GC0011508  
[45] Date of Publishing the Grant of the Patent: 30/Nov /2020                76/2020  
Number of the Decision to Grant the Patent:2020/175550
Date of the Decision to Grant the Patent:26/Nov/2020

[21] Application No.:GC 2014-28160

[22] Filing Date:23/10/2014

[30] Priority:

[33] State [32] Priority date [31] Priority No.
IT
25/10/2013
CO2013A000053

[72] Inventors:1- BERGAMINI, Lorenzo ،2- RIPA, Donato Antonio ،3- MILONE, Fabrizio

[73] Owner: Nuovo Pignone Srl, Via Felice Matteucci 2 , Florence 50127 , Italy

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: F04D 29/42, 29/52, 29/62, 29/64; F16J 13/10 (2006.01)

[56] Cited Documents:

-JP 553 104411 A (HITACHI LTD)11 September 1978
-US 2 196 895 A (BOWMAN ROBERT A)9 April 1940
-US 5 127 535 A (SHINNO TORU [JP])7 July 1992
 
Examiner: Eng. Ghassan F. AlBuhairan

[54] BARREL TURBO-MACHINE COMPRISING RETRACTING SHEAR
[57] Abstract: A turbo machine (100) comprising a barrel casing (1) having a cylindrical internal surface defining an internal containment volume, a bundle (5) having a cylindrical shape, adapted to be accommodated into said internal containment volume, a cylindrical cover (2) connected to the bundle (5) to close said internal containment volume and hold the bundle (5) inside the barrel casing (1), a split shear ring (3) adapted to fix said barrel casing (1) with said cylindrical cover (2) wherein the external cylindrical surface of the cylindrical cover (2) and the cylindrical internal surface of the barrel casing (1) are provided with a first circumferential groove (6) and a second circumferential groove (4) adapted to accommodate said shear ring (3) and wherein said first grooves (6) is adapted to completely accommodate the cross section of said split shear ring (3).
No. of claims: 12     No. of figures: 6


 

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