Article of manufacture for turbomachine

Abstract

An article of manufacture is provided having a first component configured for use with a turbomachine. The first component is configured for attachment to a second component. The first component is configured to substantially reduce the possibility of attachment with an undesired third component by modification of at least one characteristic of the first component, so that the modification of the at least one characteristic is matched by a complementary characteristic of the second component.

1 . A cleaning composition with corrosion inhibiting effect on application to a metal surface, the composition comprising
 (a) about 0.001 to about 0.1% by weight of a corrosion inhibitor system consisting essentially of one or more alkyl phosphonate compounds, wherein said alkyl phosphonate compounds comprise at least one salt of an alkyl phosphonate compound, wherein said salt of said alkyl phosphonate compound comprises at least one of formula (I) or formula (II), wherein formula (I) and formula (II) are as follows:
   [R—P(O) 2 (OH)]M x ,  (I)
 
   [R—P(O) 3 ]M y   (II)
 
   
       wherein for formulas (I) and (II) above: R=C n H 2n+1  wherein n≧6; M=alkali metal, alkaline earth metal or ammonium cation; x=1 for monovalent cations, x=½ for divalent cations; and y=2 for monovalent cations, y=1 for divalent cations;
 (b) about 0.001% to about 5% by weight of an active halogen-based bleaching system comprising a mono-N-chlorosulfamate compound and a di-N-chlorosulfamate compound; 
 (c) about 0.05 to about 5% by weight of at least one surfactant, wherein said at least one surfactant includes at least one sulfonated or sulfated anionic surfactant; and 
 (d) an aqueous solution; 
 
       wherein said composition has a pH in a range of about 2 to about 8. 
     
     
         2 . The cleaning composition of  claim 1 , wherein the at least one salt of the alkyl phosphonate compound comprises at least one compound of formula (I) and at least one compound of formula (II). 
     
     
         3 . The cleaning composition of  claim 1 , wherein R is a linear alkyl group and n=6-12. 
     
     
         4 . The cleaning composition of  claim 1 , wherein in formula (I) n=8. 
     
     
         5 . The cleaning composition of  claim 1 , wherein the corrosion inhibitor system is present in an amount of about 0.005% to about 0.1% by weight. 
     
     
         6 . The cleaning composition of  claim 1 , wherein the corrosion inhibitor system is present in an amount of about 0.01% to about 0.05% by weight. 
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . The cleaning composition of  claim 1 , wherein said mono-N-chlorosulfamate compound and said di-N-chlorosulfamate compound are derived from a source of sulfamate and a source of hypochlorite, and have a mole ratio of sulfamate to hypochlorite of at least about 0.5:1. 
     
     
         10 . The cleaning composition of  claim 1 , wherein said mono-N-chlorosulfamate compound and said di-N-chlorosulfamate compound are derived from a source of sulfamate and a source of hypochlorite, and have a mole ratio of sulfamate to hypochlorite between about 1:1 and about 2:1. 
     
     
         11 . The cleaning composition of  claim 9 , further comprising one or more antimicrobial-enhancing agents selected from the group consisting of dialkyl hydantoins, arylsulfonamides, succinimides and glycolurils. 
     
     
         12 . The cleaning composition of  claim 11 , wherein said one or more antimicrobial enhancing agents are present in a mole ratio to hypochlorite of at least about 1:10. 
     
     
         13 . The cleaning composition of  claim 1 , wherein the bleaching system is present in an amount of about 0.01% to about 1% by weight. 
     
     
         14 . The cleaning composition of  claim 1 , wherein the pH is from about 3 to about 7. 
     
     
         15 . (canceled) 
     
     
         16 . The cleaning composition of  claim 22 , wherein said carboxylate salt is selected from alkali metal caprate salts and alkali metal laurate salts. 
     
     
         17 . The cleaning composition of  claim 1 , wherein the aqueous solution comprises a buffered water-based solution. 
     
     
         18 . (canceled) 
     
     
         19 . (canceled) 
     
     
         20 . The cleaning composition of  claim 1 , further comprising one or more of a hydrotrope, solvent, chelating agent, antimicrobial, surface-modifying polymer, fragrance, source of unipositive bromine ion, and a thickener. 
     
     
         21 . The cleaning composition of  claim 1 , wherein said metal surface is aluminum, brass or copper. 
     
     
         22 . The cleaning composition of  claim 1 , further comprising about 0.005 to about 0.03% by weight of a linear C 8 -C 12  carboxylate salt.