Fluid lubricant

Abstract

The present invention relates to a fluid lubricant for use in transmission of power in tractive drives. More particularly, the invention is related to a mixture of a hydrocarbon with non-aromatic cyclic moieties, a polyalphaolefin, and performance additives.

1 . A lubricating composition comprising: 
 (a) between 5% to 40% by weight a alpha-methyl styrene; and,    (b) between 60% to 95% by weight a polyalphaolefin.    
   
   
       2 . The lubricating composition of  claim 1 , wherein the lubricating composition further includes performance additives.  
   
   
       3 . The lubricating composition of  claim 1 , wherein the alpha-methyl styrene is hydrogenated to produce a hydrogenated alpha-methyl styrene.  
   
   
       4 . The lubricating composition of  claim 1 , wherein the polyalphaolefin is hydrogenated to produce a hydrogenated polyalphaolefin.  
   
   
       5 . The lubricating composition of  claim 1 , wherein the hydrogenated alpha-methyl styrene is a linear dimer.  
   
   
       6 . The lubricating composition of  claim 1 , wherein the hydrogenated polyalphaolefin is a linear dimer.  
   
   
       7 . The lubricating composition of  claim 2 , wherein the performance additives are selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.  
   
   
       8 . The lubricating composition of  claim 1 , wherein the alpha-methyl styrene and polyalphaolefin are uniformly dispersed.  
   
   
       9 . The lubricating composition of  claim 1 , wherein the lubricating composition has a foaming rate of less than or equal to 15 ml.  
   
   
       10 . The lubricating composition of  claim 1 , wherein the combination of the alpha-methyl styrene and polyalphaolefin produces a lubricating composition with a coefficient of traction that is higher than the calculated coefficient of traction.  
   
   
       11 . A lubricating composition comprising: 
 (a) between 5% to 40% by weight a hydrogenated alpha-methyl styrene; and,    (b) between 60% to 95% by weight a hydrogenated polyalphaolefin; and    (c) performance additives.    
   
   
       12 . The lubricating composition of  claim 11 , wherein the polyalphaolefin is hydrogenated to produce a hydrogenated polyalphaolefin.  
   
   
       13 . The lubricating composition of  claim 11 , wherein the hydrogenated alpha-methyl styrene is a linear dimer.  
   
   
       14 . The lubricating composition of  claim 11 , wherein the hydrogenated polyalphaolefin is a linear dimer.  
   
   
       15 . The lubricating composition of  claim 11 , wherein the performance additives are selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.  
   
   
       16 . The lubricating composition of  claim 11 , wherein the alpha-methyl styrene and polyalphaolefin are uniformly dispersed.  
   
   
       17 . The lubricating composition of  claim 11 , wherein the lubricating composition has a foaming rate of less than or equal to 15 ml.  
   
   
       18 . The lubricating composition of  claim 11 , wherein the combination of the alpha-methyl styrene and polyalphaolefin produces a lubricating composition with a coefficient of traction that is higher than the calculated coefficient of traction.  
   
   
       19 . A lubricating composition comprising: 
 (a) between 5% to 40% by weight of a traction component; and,    (b) between 60% to 95% by weight of a control agent.    
   
   
       20 . The lubricating composition of  claim 19 , wherein the lubricating composition further includes performance additives.  
   
   
       21 . The lubricating composition of  claim 19 , wherein the traction component is selected from the group consisting of alpha-methyl styrene, alkylated naphthalene, and combinations thereof.  
   
   
       22 . The lubricating composition of  claim 19 , wherein the control agent is selected from the group consisting of polyalphaolefins, paraffinic mineral oils, diisodecyl adipate, diisodecyl phthlates, polyalkylene glycols, and combinations thereof.  
   
   
       23 . The lubricating composition of  claim 19 , wherein the traction component is hydrogenate.  
   
   
       24 . The lubricating composition of  claim 19 , wherein the control agent is hydrogenated.  
   
   
       25 . The lubricating composition of  claim 20 , wherein the performance additives are selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.  
   
   
       26 . The lubricating composition of  claim 19 , wherein the traction component and control agent are uniformly dispersed.  
   
   
       27 . The lubricating composition of  claim 19 , wherein the lubricating composition has a foaming rate of less than or equal to 15 ml.  
   
   
       28 . The lubricating composition of  claim 19 , wherein the combination of the traction component and control agent produces a lubricating composition with a coefficient of traction that is higher than the calculated coefficient of traction  
   
   
       29 . A method for lubricating a mechanical power transmission apparatus, comprising supplying to the apparatus a fluid comprising between 5% and 40% by weight hydrogenated dimers of alpha-methyl styrene and between 60% and 95% by weight polyalphaolefins.  
   
   
       30 . The method of  claim 29 , wherein the hydrogenated dimer of alpha-methyl styrene is a linear dimer.  
   
   
       31 . The method of  claim 29 , wherein the polyalphaolefin is a linear dimer.  
   
   
       32 . The method of  claim 29 , wherein the fluid comprises at least one additional base fluid component, other than the hydrogenated dimers of alpha-methyl styrene and polyalphaolefins.  
   
   
       33 . The method of  claim 29 , wherein the fluid further comprises performance additives.  
   
   
       34 . The method of  claim 33 , wherein the performance additives are selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.  
   
   
       35 . The method of  claim 29 , wherein the mechanical power transmission apparatus is selected from the group consisting of a continuous variable transmission apparatus, toroidal, cone, and planetrol type gears, and combinations thereof.  
   
   
       36 . The method of  claim 35 , wherein the continuous variable transmission apparatus is a belt or chain continuous variable transmission apparatus.  
   
   
       37 . A method for lubricating a chain or belt continuous variable transmission, comprising supplying to the transmission a fluid comprising between 5% to 40% by weight hydrogenated linear dimers of alpha-methyl styrene, between 60% to 95% by weight hydrogenated linear polyalphaolefins, and a performance additive selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.  
   
   
       38 . A method for lubricating an apparatus, comprising supplying to the apparatus a fluid comprising between 5% and 40% by weight alpha-methyl styrene and between 60% and 95% by weight polyalphaolefins.  
   
   
       39 . The method of  claim 38 , wherein the apparatus is selected from the group consisting of high speed canning machines, wire rope bridges and walkways, and elevator and lift machines.  
   
   
       40 . The method of  claim 38 , wherein the fluid further comprises performance additives.  
   
   
       41 . A method of forming a lubricating composition comprising combining alpha-methyl styrene, polyalphaolefins, and performance additives and mixing the alpha-methyl styrene, polyalphaolefins, and performance additives until the components are uniformly dispersed and a fluid lubricant is formed.  
   
   
       42 . The method of  claim 41  wherein the performance additive is selected from the group consisting of friction modifiers, antioxidants, antiwear additives, extreme pressure additives, dispersants, metal deactivators, viscosity index improvers, defoamers, and combinations thereof.