GB2454349B - A method for heating the oil of an engine - Google Patents

A method for heating the oil of an engine

Info

Publication number
GB2454349B
GB2454349B GB0819832.7A GB0819832A GB2454349B GB 2454349 B GB2454349 B GB 2454349B GB 0819832 A GB0819832 A GB 0819832A GB 2454349 B GB2454349 B GB 2454349B
Authority
GB
United Kingdom
Prior art keywords
engine
oil
heating
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 - Fee Related
Application number
GB0819832.7A
Other versions
GB2454349A (en
GB0819832D0 (en
Inventor
Ian Graham Pegg
Michael James Watts
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of GB0819832D0 publication Critical patent/GB0819832D0/en
Publication of GB2454349A publication Critical patent/GB2454349A/en
Application granted granted Critical
Publication of GB2454349B publication Critical patent/GB2454349B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
    • B60W30/194—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine related to low temperature conditions, e.g. high viscosity of hydraulic fluid
    • 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
    • F01M5/001—Heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/445—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0676—Engine temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
GB0819832.7A 2007-10-30 2008-10-29 A method for heating the oil of an engine Expired - Fee Related GB2454349B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0721262.4A GB0721262D0 (en) 2007-10-30 2007-10-30 A method for heating the oil of an engine

Publications (3)

Publication Number Publication Date
GB0819832D0 GB0819832D0 (en) 2008-12-03
GB2454349A GB2454349A (en) 2009-05-06
GB2454349B true GB2454349B (en) 2012-05-30

Family

ID=38830185

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0721262.4A Ceased GB0721262D0 (en) 2007-10-30 2007-10-30 A method for heating the oil of an engine
GB0819832.7A Expired - Fee Related GB2454349B (en) 2007-10-30 2008-10-29 A method for heating the oil of an engine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0721262.4A Ceased GB0721262D0 (en) 2007-10-30 2007-10-30 A method for heating the oil of an engine

Country Status (3)

Country Link
CN (1) CN101424200B (en)
DE (1) DE102008037820A1 (en)
GB (2) GB0721262D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9187083B2 (en) 2009-09-16 2015-11-17 Polaris Industries Inc. System and method for charging an on-board battery of an electric vehicle

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009013943A1 (en) * 2009-03-19 2010-09-23 Frank Will Oil lubrication system
GB2462904B (en) * 2009-07-29 2010-09-29 Protean Holdings Corp Cooling system for a hybrid electric vehicle (HEV)
DE102009028326A1 (en) 2009-08-07 2011-02-10 Robert Bosch Gmbh Method and device for heating engine and transmission oil of a hybrid vehicle
EP2308708B1 (en) 2009-09-16 2016-08-17 swissauto powersport llc Electric vehicle with range extension
FR2951456B1 (en) 2009-10-16 2011-12-09 Total Raffinage Marketing ENGINE LUBRICANT
US20130042825A1 (en) * 2009-11-13 2013-02-21 Toyota Jidosha Kabushiki Kaisha Lubrication system of an internal combustion engine
DE102011115279A1 (en) 2011-09-29 2012-12-20 Audi Ag Drive arrangement for motor vehicle, has electric motor and transmission, where electric motor has cooling circuit with cooling medium and transmission has lubricating circuit with lubricating medium
US8763376B2 (en) * 2011-12-01 2014-07-01 GM Global Technology Operations LLC Exhaust gas heat recovery system and transmission warmer implementation strategy for a vehicle
DE102013213751A1 (en) * 2012-08-02 2014-02-06 Schaeffler Technologies AG & Co. KG Method for breaking loose a wet-running clutch of a motor vehicle at low temperatures
US9403427B2 (en) * 2012-08-24 2016-08-02 Ford Global Technologies, Llc Method and system for oil dilution control
GB201215417D0 (en) * 2012-08-30 2012-10-17 Ricardo Uk Ltd Lubrication system
EP2767702B1 (en) 2013-02-14 2015-11-25 Volvo Car Corporation Enhanced drivability for a hybrid vehcile in cold climate
DE102014205920A1 (en) * 2014-03-31 2015-10-01 Robert Bosch Gmbh Method for operating a heat accumulator of a motor vehicle
US10300786B2 (en) 2014-12-19 2019-05-28 Polaris Industries Inc. Utility vehicle
EP3468823B1 (en) 2016-06-14 2024-09-04 Polaris Industries Inc. Hybrid utility vehicle
US10677545B2 (en) * 2016-10-12 2020-06-09 Ford Global Technologies, Llc Method of flowing coolant through exhaust heat recovery system after engine shutoff
JP6650902B2 (en) * 2017-03-24 2020-02-19 ヤンマー株式会社 Combine
DE102017218721B4 (en) * 2017-10-19 2020-12-10 Audi Ag Method for providing heating power for heating up an internal combustion engine and a motor vehicle that can be operated according to the method
US10780770B2 (en) 2018-10-05 2020-09-22 Polaris Industries Inc. Hybrid utility vehicle
DE102018219837B4 (en) * 2018-11-20 2020-10-29 Audi Ag System with an electric machine and a gearbox
US11370266B2 (en) 2019-05-16 2022-06-28 Polaris Industries Inc. Hybrid utility vehicle
KR102276015B1 (en) * 2019-12-09 2021-07-13 주식회사 현대케피코 Apparatus and method for pre-heating engine oil of hybrid vehicle
CN111361410B (en) * 2020-03-18 2024-04-02 吉泰车辆技术（苏州）有限公司 Hybrid electric vehicle heat control system and control method
JP7435314B2 (en) * 2020-07-01 2024-02-21 マツダ株式会社 vehicle
JP7392593B2 (en) * 2020-07-01 2023-12-06 マツダ株式会社 vehicle
JP7392592B2 (en) * 2020-07-01 2023-12-06 マツダ株式会社 vehicle
CN112539097B (en) * 2020-12-01 2022-03-15 奇瑞汽车股份有限公司 Method for inhibiting engine oil emulsification of hybrid electric vehicle
EP4067632B1 (en) * 2021-03-31 2024-09-18 Volvo Truck Corporation Method of managing the oil temperature of a transmission of a motor vehicle
CN113339101A (en) * 2021-06-18 2021-09-03 广西玉柴机器股份有限公司 Engine oil heating method for diesel power generation power assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654409A (en) * 1992-07-29 1994-02-25 Aqueous Res:Kk Hybrid type vehicle
US5323868A (en) * 1991-04-30 1994-06-28 Toyota Jidosha Kabushiki Kaisha Drive apparatus for hybrid vehicle
US6421599B1 (en) * 2001-08-09 2002-07-16 Ford Global Technologies, Inc. Control strategy for an internal combustion engine in a hybrid vehicle
WO2002103198A1 (en) * 2001-06-19 2002-12-27 Microcoating Technologies, Inc. Thermal management of engines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323868A (en) * 1991-04-30 1994-06-28 Toyota Jidosha Kabushiki Kaisha Drive apparatus for hybrid vehicle
JPH0654409A (en) * 1992-07-29 1994-02-25 Aqueous Res:Kk Hybrid type vehicle
WO2002103198A1 (en) * 2001-06-19 2002-12-27 Microcoating Technologies, Inc. Thermal management of engines
US6421599B1 (en) * 2001-08-09 2002-07-16 Ford Global Technologies, Inc. Control strategy for an internal combustion engine in a hybrid vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9187083B2 (en) 2009-09-16 2015-11-17 Polaris Industries Inc. System and method for charging an on-board battery of an electric vehicle

Also Published As

Publication number Publication date
GB2454349A (en) 2009-05-06
GB0819832D0 (en) 2008-12-03
DE102008037820A1 (en) 2009-05-14
CN101424200B (en) 2013-02-13
GB0721262D0 (en) 2007-12-05
CN101424200A (en) 2009-05-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20201029