ES2052025T3 - Metodo para reducir depositos en los pistones de motores de combustion interna. - Google Patents

Metodo para reducir depositos en los pistones de motores de combustion interna.

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Publication number
ES2052025T3
ES2052025T3 ES89311563T ES89311563T ES2052025T3 ES 2052025 T3 ES2052025 T3 ES 2052025T3 ES 89311563 T ES89311563 T ES 89311563T ES 89311563 T ES89311563 T ES 89311563T ES 2052025 T3 ES2052025 T3 ES 2052025T3
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ES
Spain
Prior art keywords
base
strong
piston
weak base
zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES89311563T
Other languages
English (en)
Inventor
Eric Bannister
Darrell William Brownawell
Paul Kevin Ladwig
Warren Alan Thaler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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Publication date
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Publication of ES2052025T3 publication Critical patent/ES2052025T3/es
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
    • F01M5/04—Diluting, e.g. with fuel
    • C—CHEMISTRY; METALLURGY
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    • C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/0091—Treatment of oils in a continuous lubricating circuit (e.g. motor oil system)
    • C—CHEMISTRY; METALLURGY
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/02—Carbon; Graphite
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/10—Metal oxides, hydroxides, carbonates or bicarbonates
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    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/251—Alcohol-fuelled engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C10N2040/253—Small diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C10N2040/28—Rotary engines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubricants (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

LOS DEPOSITOS DEL PISTON QUE RESULTAN DE LOS ACIDOS DE COMBUSTION NEUTRALIZANTE PRESENTES EN EL ACEITE LUBRICANTE QUE CIRCULA DENTRO DEL SISTEMA DEL ENGRASE EN UN MOTOR DE COMBUSTION INTERNA SE REDUCEN O ELIMINA PONIENDO EN CONTACTO LOS ACIDOS CON UNA BASE DEBIL SOLUBLE EN LA ZONA DEL ANILLO DEL PISTON DEL MOTOR PARA FORMAR SALES NEUTRALES SOLUBLES QUE CONTENGAN LA BASE DEBIL Y LOS ACIDOS DE COMBUSTION. DESPUES DE ELLO, LAS SALES NEUTRALES SE PONEN EN CONTACTO CON UNA BASE FUERTE HETEROGENEA INMOVILIZADA EN EL INTERIOR DEL SISTEMA DE ENGRASE PERO FUERA DE LA ZONA DEL ANILLO DEL PISTON. LA BASE FUERTE DESPLAZA A LA BASE DEBIL DE LAS SALES NEUTRALES, DEVOLVIENDO UNA BASE DEBIL AL ACEITE PARA SU RECIRCULACION HASTA LA ZONA DEL ANILLO DEL PISTON PARA SU POSTERIOR USO. LAS SALES DEL ACIDO DE COMBUSTION / BASE FUERTE RESTANTES SE INMOVILIZAN COMO DEPOSITOS CON LA BASE FUERTE EN VEZ DE SOBRE EL PISTON. EN UNA FORMA MAS ADECUADA, EL AMINO DE TRIOCTADECIL ES LA BASE DEBIL Y EL OXIDO DE ZINZ ES LABASE FUERTE. EN LA FORMA PARTICULARMENTE MAS ADECUADA, LA BASE DEBIL SE INCORPORA SOBRE UN SUSTRATO, PREFERIBLEMENTE UN AMALGAMADOR DE CEMENTO.
ES89311563T 1988-11-09 1989-11-08 Metodo para reducir depositos en los pistones de motores de combustion interna. Expired - Lifetime ES2052025T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/269,274 US4906389A (en) 1988-11-09 1988-11-09 Method for reducing piston deposits

Publications (1)

Publication Number Publication Date
ES2052025T3 true ES2052025T3 (es) 1994-07-01

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ID=23026565

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89311563T Expired - Lifetime ES2052025T3 (es) 1988-11-09 1989-11-08 Metodo para reducir depositos en los pistones de motores de combustion interna.

Country Status (11)

Country Link
US (1) US4906389A (es)
EP (1) EP0371639B1 (es)
JP (1) JP2812515B2 (es)
KR (1) KR900008149A (es)
AR (1) AR245262A1 (es)
AT (1) ATE79397T1 (es)
AU (1) AU617223B2 (es)
BR (1) BR8905737A (es)
CA (1) CA2002268C (es)
DE (1) DE68902461T2 (es)
ES (1) ES2052025T3 (es)

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Also Published As

Publication number Publication date
JP2812515B2 (ja) 1998-10-22
AR245262A1 (es) 1993-12-30
US4906389A (en) 1990-03-06
CA2002268A1 (en) 1990-05-09
DE68902461T2 (de) 1992-12-03
BR8905737A (pt) 1990-06-05
ATE79397T1 (de) 1992-08-15
JPH02252913A (ja) 1990-10-11
KR900008149A (ko) 1990-06-02
AU4450089A (en) 1990-05-17
EP0371639B1 (en) 1992-08-12
EP0371639A1 (en) 1990-06-06
DE68902461D1 (de) 1992-09-17
CA2002268C (en) 2002-04-23
AU617223B2 (en) 1991-11-21

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