EP3382170A1 - Schmierungs- und kühlsystem für einen verbrennungsmotor - Google Patents

Schmierungs- und kühlsystem für einen verbrennungsmotor Download PDF

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Publication number
EP3382170A1
EP3382170A1 EP18165241.3A EP18165241A EP3382170A1 EP 3382170 A1 EP3382170 A1 EP 3382170A1 EP 18165241 A EP18165241 A EP 18165241A EP 3382170 A1 EP3382170 A1 EP 3382170A1
Authority
EP
European Patent Office
Prior art keywords
oil
main
pump
auxiliary
main pump
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.)
Granted
Application number
EP18165241.3A
Other languages
English (en)
French (fr)
Other versions
EP3382170B1 (de
Inventor
Wolfgang Gstrein
Jonathan Borg
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.)
FPT Motorenforschung AG
Original Assignee
FPT Motorenforschung AG
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 FPT Motorenforschung AG filed Critical FPT Motorenforschung AG
Publication of EP3382170A1 publication Critical patent/EP3382170A1/de
Application granted granted Critical
Publication of EP3382170B1 publication Critical patent/EP3382170B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0215—Electrical pumps
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238—Rotary pumps
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0246—Adjustable pumps
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
    • F01M2001/123—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10 using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F04C11/003—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle having complementary function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/04—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for reversible machines or pumps

Definitions

  • auxiliary oil circuit is intended the above separate oil circuit to cool the engine piston(s), with respect to the main one, including an auxiliary pump sucking the engine oil from a common engine oil sump/tank and optionally an auxiliary cooler capable to cool the oil sucked by the auxiliary pump and at least one nozzle affixed to an engine wall so as to hit on opening of a cooling passage realized in the body piston.
  • the main object of the present invention is to provide a cooling circuit comprising two groups of engine oil consumers and two oil pumps arranged to independently supply oil to said groups of oil consumers capable to improve the engine efficiency at engine braking operation.
  • the engine brake operation is well known and consists of the inhibition of the fuel injection in the engine cylinder(s) and a sudden compressed air releasing when the piston is close to the top dead center.
  • the sole point in common between the main and auxiliary circuits is the oil sump or the oil tank in case the lubricating circuit is of the dry type.
  • the main circuit comprises a main cooler MC.
  • the auxiliary circuit comprises an auxiliary cooler AC separated and thermally independent from the main cooler.
  • control unit controls the pumps so that the oil fed by the auxiliary pump is proportional to the power delivered by the respective combustion engine and/or the oil fed by main pump is proportional to the engine speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
EP18165241.3A 2017-03-29 2018-03-29 Schmierungs- und kühlsystem für einen verbrennungsmotor Active EP3382170B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000034652A IT201700034652A1 (it) 2017-03-29 2017-03-29 Sistema di lubrificazione e raffreddamento per un motore a combustione interna

Publications (2)

Publication Number Publication Date
EP3382170A1 true EP3382170A1 (de) 2018-10-03
EP3382170B1 EP3382170B1 (de) 2019-12-25

Family

ID=59521568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18165241.3A Active EP3382170B1 (de) 2017-03-29 2018-03-29 Schmierungs- und kühlsystem für einen verbrennungsmotor

Country Status (3)

Country Link
EP (1) EP3382170B1 (de)
ES (1) ES2778705T3 (de)
IT (1) IT201700034652A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02114705U (de) * 1989-02-28 1990-09-13
JP2004218468A (ja) * 2003-01-10 2004-08-05 Toyota Motor Corp エンジンのオイル供給装置
WO2010002293A1 (en) 2008-07-03 2010-01-07 Volvo Lastvagnar Ab Piston for an internal combustion engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02114705U (de) * 1989-02-28 1990-09-13
JP2004218468A (ja) * 2003-01-10 2004-08-05 Toyota Motor Corp エンジンのオイル供給装置
WO2010002293A1 (en) 2008-07-03 2010-01-07 Volvo Lastvagnar Ab Piston for an internal combustion engine

Also Published As

Publication number Publication date
IT201700034652A1 (it) 2018-09-29
ES2778705T3 (es) 2020-08-11
EP3382170B1 (de) 2019-12-25

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