US Patent 7473346 Method for using medium-speed diesel engine oil
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Patent abstract
A method for operating a railroad engine, comprising: using a lubricating oil in the railroad engine, wherein the lurbricating oil has: a) less than 100 ppm zinc; b) a cold cranking simulator viscosity at −15° C. less than 7000 cP; c) a GE HTHS (final) of at least 10.8 cP; and d) a TBN between 8 and 20.
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US Patent 07473346 Method for using medium-speed diesel engine oil US Patent 7473346 Method for using medium-speed diesel engine oil
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Patent Number
0747334600
Patent Number
747334600
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Golden AI
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Is a
Patent Jurisdiction
Patent Number
074733460
Date of Patent
January 6, 2009
0Patent Application Number
120188500
Date Filed
January 24, 2008
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
074733460
Date of Patent
January 6, 2009
0Patent Application Number
120188500
Date Filed
January 24, 2008
0Official Website
Patent Primary Examiner
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US Patent 07473346 Method for using medium-speed diesel engine oil
Infobox
Is a
Patent jurisdiction
Patent number
07473346
Date of patent
January 6, 2009
Patent application number
12018850
Date Filed
January 24, 2008
Patent primary examiner
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