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公开(公告)号：US20200339898A1
公开(公告)日：2020-10-29
申请号：US16960846
申请日：2019-01-08
Applicant: SHELL OIL COMPANY
Inventor： Roger Francis CRACKNELL , Allen Ambwere ARADI , Valerio PELLICCIARI
Abstract: A method for reducing particulate emissions from a direct injection spark-ignition engine, wherein the method comprises fuelling the engine with a gasoline composition, wherein the gasoline composition comprises a hydrocarbon base fuel comprising not greater than 5% v aromatics of at least 9 carbon atoms, based on the base fuel, a T90 of up to 150° C. and a final boiling point not greater than 190° C.
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公开(公告)号：US20220356409A1
公开(公告)日：2022-11-10
申请号：US17441784
申请日：2020-03-27
Applicant: SHELL OIL COMPANY
Inventor： Abhishek KAR , Arjun PRAKASH , Allen Ambwere ARADI , Roger Francis CRACKNELL
IPC: C10L1/06 , C10M169/04 , C10M135/18
Abstract: Use of a gasoline fuel composition for reducing the occurrence of Low Speed Pre-Ignition (LSPI) in a spark-ignition internal combustion engine, wherein the gasoline fuel composition comprises a gasoline base fuel and has a PM Index of 1.4 or less.
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公开(公告)号：US20190249097A1
公开(公告)日：2019-08-15
申请号：US16338538
申请日：2017-09-29
Applicant: SHELL OIL COMPANY
Inventor： Roger Francis CRACKNELL , Allen Ambwere ARADI
CPC classification number: C10L1/06 , C10L1/1824 , C10L1/1832 , C10L10/00 , C10L10/08 , C10L2200/0423 , C10L2230/081 , C10L2270/023 , C10N2230/78 , C10N2240/104
Abstract: Method of improving the oxidative stability of a lubricating composition which is used to lubricate a spark ignition internal combustion engine, the spark-ignition engine being comprised within the powertrain of a hybrid electric vehicle, wherein the method comprises the step of introducing into the combustion chamber of the spark-ignition engine a gasoline composition wherein the gasoline composition comprises a hydrocarbon base fuel containing 10 to 20% v olefins, not greater than 5% v olefins of at least 10 carbon atoms, and not greater than 5% v aromatics of at least 10 carbon atoms, based on the base fuel, initial boiling point in the range 30 to 40° C., T10 in the range 45 to 57° C., T50 in the range 82 to 104° C., T90 in the range 140 to 150° C. and final boiling point not greater than 220° C.
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公开(公告)号：US20220389339A1
公开(公告)日：2022-12-08
申请号：US17762141
申请日：2020-10-20
Applicant: SHELL OIL COMPANY
IPC: C10L1/14 , F02M25/022 , C10L1/182 , C10L1/2387 , C10L10/14
Abstract: Method for reducing intake valve deposits in a spark ignition internal combustion engine which is fuelled with a gasoline fuel composition, wherein the method comprises introducing into the engine an aqueous based composition, wherein the aqueous based composition comprises (i) water, (ii) from 0 vol % to 40 vol % freezing point suppression agent, (iii) from 0 vol % to 10 vol % of surfactant, and (iv) an amine compound in a blending amount of from 0 ppmw to 1000 ppmw.
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