Article of manufacture for turbomachine

Abstract

An article of manufacture is provided having a first component configured for use with a stator of a turbomachine. The first component is configured for attachment to a second component. The second component is also configured for use with the stator of the turbomachine. The first component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the first component. The second component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the second component.

1 . An article of manufacture comprising:
 a first component configured for use with a stator of a turbomachine, the first component configured for attachment to a second component, the second component configured for use with the stator of the turbomachine:   wherein, the first component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the first component, and the second component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the second component.   
     
     
         2 . The article of manufacture of  claim 1 , wherein the first component is a stator vane and the second component is a ring segment. 
     
     
         3 . The article of manufacture of  claim 2 , the at least one characteristic of the stator vane comprising at least one of:
 a radial height of a forward sidewall, a radial height of an aft sidewall, and an axial length.   
     
     
         4 . The article of manufacture of  claim 2 , the at least one characteristic of the ring segment comprising at least one of:
 a radial height of a forward surface, a radial height of an aft surface, a radial height of a forward projection, a radial height of an aft projection, and an axial length.   
     
     
         5 . The article of manufacture of  claim 1 , further comprising:
 a third component configured for use with the stator of the turbomachine, the third component configured for attachment to the second component;   wherein, the third component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the third component.   
     
     
         6 . The article of manufacture of  claim 5 , wherein the third component is a stator casing slot; and
 wherein the at least one characteristic of the stator casing slot is at least one of, a radial height of a forward sidewall, a radial height of an aft sidewall, a radial height of a forward groove, a radial height of an aft groove, and an axial length.   
     
     
         7 . An article of manufacture comprising:
 a first component configured for use with a stator of a turbomachine, the first component configured for attachment to a second component, the second component configured for use with the stator of the turbomachine;   a third component configured for use with the stator of the turbomachine, the third component configured for attachment to the second component;   wherein, the first component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the first component, the second component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the second component, and the third component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the third component.   
     
     
         8 . The article of manufacture of  claim 7 , wherein the first component is a stator vane, the second component is a ring segment and the third component is a stator casing slot. 
     
     
         9 . The article of manufacture of  claim 8 , the at least one characteristic of the stator vane comprising at least one of:
 a radial height of a forward sidewall, a radial height of an aft sidewall, and an axial length.   
     
     
         10 . The article of manufacture of  claim 8 , the at least one characteristic of the ring segment comprising at least one of:
 a radial height of a forward surface, a radial height of an aft surface, a radial height of a forward projection, a radial height of an aft projection, and an axial length.   
     
     
         11 . The article of manufacture of  claim 8 , the at least one characteristic of the stator casing slot comprising at least one of:
 a radial height of a forward sidewall, a radial height of an aft sidewall, a radial height of a forward groove, a radial height of an aft groove, and an axial length.   
     
     
         12 . The article of manufacture of  claim 8 , wherein the turbomachine is a compressor. 
     
     
         13 . The article of manufacture of  claim 1 , further comprising:
 the stator having an upper half and a lower half;   the upper half having one or more upper half locker segments and a plurality of upper half pack segments, the plurality of upper half pack segments located circumferentially between the one or more upper half locker segments;   the lower half having one or more lower half locker segments and a plurality of lower half pack segments, the plurality of lower half pack segments located circumferentially between the one or more lower half locker segments;   wherein at least one characteristic of the upper half is different than at least one characteristic of the lower half.   
     
     
         14 . The article of manufacture of  claim 13 , wherein the at least one characteristic of both the upper half and the lower half are chosen from at least one of:
 a number of pack segments, pack segment span angle, and pack segment arc length.   
     
     
         15 . An article of manufacture configured for use with a turbomachine, the article of manufacture comprising:
 a stator having an upper half and a lower half;   the upper half having one or more upper half locker segments and a plurality of upper half pack segments, the plurality of upper half pack segments located circumferentially between the one or more upper half locker segments;   the lower half having one or more lower half locker segments and a plurality of lower half pack segments, the plurality of lower half pack segments located circumferentially between the one or more lower half locker segments;   wherein at least one characteristic of the upper half is different than at least one characteristic of the lower half.   
     
     
         16 . The article of manufacture of  claim 15 , wherein the at least one characteristic of both the upper half and the lower half are chosen from at least one of:
 a number of pack segments, pack segment span angle, and pack segment arc length.   
     
     
         17 . The article of manufacture of  claim 15  further comprising:
 a first component configured for use with a stator of a turbomachine, the first component configured for attachment to a second component, the second component configured for use with the stator of the turbomachine; 
 wherein, the first component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the first component, and the second component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the second component. 
 
     
     
         18 . The article of manufacture of  claim 17 , wherein the first component is a stator vane and the second component is a ring segment; and
 the at least one characteristic of the stator vane is chosen from at least one of, a radial height of a forward sidewall, a radial height of an aft sidewall, and an axial length; and   the at least one characteristic of the ring segment is chosen from at least one of, a radial height of a forward surface, a radial height of an aft surface, a radial height of a forward projection, a radial height of an aft projection, and an axial length.   
     
     
         19 . The article of manufacture of  claim 17 , further comprising:
 a third component configured for use with the stator of the turbomachine, the third component configured for attachment to the second component;   wherein, the third component is configured to substantially reduce the possibility of installation in an undesired stage of the stator by modification of at least one characteristic of the third component.   
     
     
         20 . The article of manufacture of  claim 19 , wherein the third component is a stator casing slot; and
 wherein the at least one characteristic of the stator casing slot is at least one of, a radial height of a forward sidewall, a radial height of an aft sidewall, a radial height of a forward groove, a radial height of an aft groove, and an axial length.