Method for reducing piston deposits in a marine diesel engine
A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the 5 ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less t...
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| creator | HUGHES, Jonathan Mark MARSH, Adam Paul CLITHEROW, Tim |
| description | A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the 5 ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method comprises lubricating the engine using a lubricating oil composition comprising: (a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating 0 viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; 5 (c) 0.1 to 10 % by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10 % by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride. |
| format | Patent |
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The method comprises lubricating the engine using a lubricating oil composition comprising: (a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating 0 viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; 5 (c) 0.1 to 10 % by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10 % by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride.</description><language>eng</language><subject>CHEMISTRY ; FUELS ; LUBRICANTS ; LUBRICATING COMPOSITIONS ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210304&DB=EPODOC&CC=AU&NR=2020217445A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210304&DB=EPODOC&CC=AU&NR=2020217445A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUGHES, Jonathan Mark</creatorcontrib><creatorcontrib>MARSH, Adam Paul</creatorcontrib><creatorcontrib>CLITHEROW, Tim</creatorcontrib><title>Method for reducing piston deposits in a marine diesel engine</title><description>A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the 5 ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method comprises lubricating the engine using a lubricating oil composition comprising: (a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating 0 viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; 5 (c) 0.1 to 10 % by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10 % by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride.</description><subject>CHEMISTRY</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>LUBRICATING COMPOSITIONS</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD1TS3JyE9RSMsvUihKTSlNzsxLVyjILC7Jz1NISS3IL84sKVbIzFNIVMhNLMrMS1VIyUwtTs1RSM1LB_J4GFjTEnOKU3mhNDeDsptriLOHLlBnfGpxQWJyal5qSbxjqJEBEBqam5iYOhoaE6cKAL0kMKs</recordid><startdate>20210304</startdate><enddate>20210304</enddate><creator>HUGHES, Jonathan Mark</creator><creator>MARSH, Adam Paul</creator><creator>CLITHEROW, Tim</creator><scope>EVB</scope></search><sort><creationdate>20210304</creationdate><title>Method for reducing piston deposits in a marine diesel engine</title><author>HUGHES, Jonathan Mark ; MARSH, Adam Paul ; CLITHEROW, Tim</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU2020217445A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2021</creationdate><topic>CHEMISTRY</topic><topic>FUELS</topic><topic>LUBRICANTS</topic><topic>LUBRICATING COMPOSITIONS</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION</topic><toplevel>online_resources</toplevel><creatorcontrib>HUGHES, Jonathan Mark</creatorcontrib><creatorcontrib>MARSH, Adam Paul</creatorcontrib><creatorcontrib>CLITHEROW, Tim</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUGHES, Jonathan Mark</au><au>MARSH, Adam Paul</au><au>CLITHEROW, Tim</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for reducing piston deposits in a marine diesel engine</title><date>2021-03-04</date><risdate>2021</risdate><abstract>A method of reducing the incidence of deposits on the pistons of a 4-stroke marine diesel engine during operation of the engine when it is fuelled with a marine residual fuel meeting the 5 ISO 8217 2017 fuel standard for marine residual fuels and having a sulphur content of more than 0.1% and less than 0.5% by mass. The method comprises lubricating the engine using a lubricating oil composition comprising: (a) at least 50% by mass, based on the mass of the composition, of an oil of lubricating 0 viscosity; (b) 5 to 25% by mass, based on the mass of the composition, of an oil-soluble or oil dispersible alkali metal or alkaline earth metal salicylate detergent, or a mixture of two or more oil-soluble or oil-dispersible alkali metal or alkaline earth metal salicylate detergents; 5 (c) 0.1 to 10 % by mass, based on the mass of the composition of one or more oil-soluble or oil-dispersible ashless dispersants; and optionally, (d) 0.1 to 10 % by mass, based on the mass of the composition of a polyalkylene-substituted succinic anhydride.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION |
| title | Method for reducing piston deposits in a marine diesel engine |
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