EP3314100A1 - Système d'alimentation en huile d'un moteur à combustion interne - Google Patents

Système d'alimentation en huile d'un moteur à combustion interne

Info

Publication number
EP3314100A1
EP3314100A1 EP16740930.9A EP16740930A EP3314100A1 EP 3314100 A1 EP3314100 A1 EP 3314100A1 EP 16740930 A EP16740930 A EP 16740930A EP 3314100 A1 EP3314100 A1 EP 3314100A1
Authority
EP
European Patent Office
Prior art keywords
oil
internal combustion
line
combustion engine
supply system
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
EP16740930.9A
Other languages
German (de)
English (en)
Other versions
EP3314100B1 (fr
Inventor
Michael FÖRSTER
Alfred RANGGER
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.)
Innio Jenbacher GmbH and Co OG
Original Assignee
GE Jenbacher GmbH and Co OHG
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 GE Jenbacher GmbH and Co OHG filed Critical GE Jenbacher GmbH and Co OHG
Publication of EP3314100A1 publication Critical patent/EP3314100A1/fr
Application granted granted Critical
Publication of EP3314100B1 publication Critical patent/EP3314100B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/061—Means for keeping lubricant level constant
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • F01M11/0458—Lubricant filling and draining
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M2011/0095—Supplementary oil tank
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04—Filling or draining lubricant of or from machines or engines
    • F01M11/0458—Lubricant filling and draining
    • F01M2011/0466—Filling or draining during running

Definitions

  • the invention relates to an oil supply system for an internal combustion engine having the features of the preamble of claim 1.
  • oil is pumped from an internal oil pan of the engine by an oil pump to the consumers in a pressure circulation lubrication and passes under the influence of gravity back into the internal oil pan of the engine. Furthermore, it is known to increase an oil life by increasing the volume of oil involved in the cycle.
  • the internal oil pan of the internal combustion engine is connected to an additional oil reservoir, for example in the form of oil tanks.
  • Object of the present invention is therefore to provide an oil supply system with which the residence time of the oil is extended in the additional oil reservoir.
  • the return line is connected to an extraction line projecting into the vicinity of the bottom of the at least one oil tank, wherein the extraction line has a removal opening near the bottom of the at least one oil tank. This describes the case where the removal of oil from the oil tank takes place through its own extraction line projecting into the oil tank. Alternatively it can be provided that the removal takes place through an opening in the bottom of the oil tank. Because of the accumulation of deposits on the bottom of the oil tank, however, a removal over a projecting to the bottom of the at least one oil tank extraction line is preferable.
  • the supply line opens near the bottom of the at least one oil tank. This measure causes a favorable flow and mixing of the oil tank, since the originating from the engine oil at high temperature and laden with gas occurs. As a result, it tends to rise in the oil tank. At a mouth of the supply line near the bottom of the at least one oil tank, the rising oil causes a circulation of the oil volume in the oil tank.
  • At least one flow-guiding device is provided in the at least one oil tank.
  • the flow guide may be formed, for example in the form of baffles.
  • a vent line is provided which connects the oil reservoir with a return line.
  • the extraction line near the lid of the oil tank has at least one vent hole.
  • a preferably spring-loaded check valve is installed in the supply line between the engine and the oil reservoir.
  • At least two oil tanks arranged in series are present, wherein the feed line opens into a first oil tank and the at least two oil tanks are connected via connecting lines.
  • the measure is realized that the removal opening of the connecting line is near the bottom of the upstream oil tank. The return line to the internal combustion engine is then connected to the at least second oil tank.
  • the return line is connected to the at least one oil tank.
  • the invention is particularly suitable for stationary internal combustion engines, in particular with a generator coupled to a genset internal combustion engines.
  • the invention is particularly suitable for applications of high-wear internal combustion engines, such as increased-capacity engines with an unchanged volume of oil, biogas or landfill gas applications, or engines with small internal oil pans due to design.
  • the invention has proven to be particularly favorable in connection with the use of steel pistons.
  • the invention will be explained in more detail with reference to FIG.
  • Fig. 1 shows an embodiment of an oil supply system according to the invention.
  • an internal combustion engine 1 with an internal oil pan 2.
  • the oil supply system shown has a pressure circulation lubrication 10.
  • the pressure circulation lubrication 10 comprises in this simplified representation the oil pan 2, an oil pump 1 1, a main oil line 14 and an oil filter 12.
  • the oil O is passed via the main oil line 14 to consumers 13 in the internal combustion engine 1.
  • a feed line 4 branches off the main oil line 14 upstream of the oil filter 12 and carries a partial flow of oil O into an external oil reservoir 3, here formed by two oil tanks 7 arranged in series.
  • the oil reservoir 3 can also be formed only by a single oil tank 7.
  • the oil level of oil O in the two oil tanks 7 is indicated by the hatched area.
  • the oil level preferably reaches as far as the lid of the oil tank 7. From the second oil tank 7 located downstream of the first oil tank 7, the oil O is returned to the internal combustion engine 1 via a return line 6.
  • the supply line 4 leads to the first of the two oil tanks 7 arranged in series and opens into a filling opening 5 near the bottom of the oil tank 7.
  • a flow guiding device 15, here in the form of a guide plate, can be provided in order to further improve the flow through the oil tank 7.
  • a connection line 19 between the oil tanks 7.
  • a first extraction line 9 in this case leads via the connection line 19 into the downstream oil tank 7.
  • the removal opening 8 of the extraction line 9 opening into the connection line 19 is located near the bottom of the oil tank 7. If only one oil tank 7 is provided, the connection line 19 is omitted and the extraction line 9 is connected directly to the return line 6.
  • the removal opening 8 of the extraction line 9 is arranged near the bottom of the or the oil tank 7.
  • removal opening 8 is formed as an opening in the bottom of the oil tank 7 there opens into the return line 6.
  • the oil O enters the oil tank 7 from the internal combustion engine 1 loaded with gas and at elevated temperature via the supply line 4 and the filling opening 5.
  • the hot oil O rises in the oil tank 7 to the surface.
  • the arrangement of the removal opening 8 near the bottom of the oil tank 7 so on the one hand good mixing of the oil O in the oil tank 7 ensures and on the other hand ensured that not hot, just taken from the engine 1 oil removed and the internal combustion engine 1 is recycled.
  • the gas G dissolved in the oil O separates from the oil O in the oil tank 7 and rises to the surface. So that the pressure in the oil tank 7 does not rise, a vent line 16 is provided which directs the gas G to the return line 6. In this way, it passes back into a crankcase 20 of the internal combustion engine. 1 Alternatively or additionally, it may be provided that the extraction line 9 has a vent hole 17, via which gas G can enter into the return line 6 (or, in the case of several oil tanks, first into the connection line 19).
  • the return line 6 opens into the crankcase 20 of the internal combustion engine 1, preferably above the oil level of the oil O in the oil pan. 2
  • the internal combustion engine 1 and the outside of the internal combustion engine 1 arranged external oil reservoir 3 are placed on the same structural level. It may be that in the installation of internal combustion engine 1 and oil reservoir 3, an elevation of the oil pan 2 relative to a reference plane in the oil tank 7 results. This can lead to leakage of oil O from oil lines in the internal combustion engine 1 or oil O from the oil pan 2 into the oil tank 7. Leakage of oil lines at a standstill of the internal combustion engine 1, for example, lines between the main oil line 14 and consumers 13, is particularly unfavorable, because a Vorschmiervorgang before starting the internal combustion engine 1 is significantly extended.
  • a pre-lubricating oil O is brought to consumers 13 before starting the internal combustion engine 1.
  • the pre-lubrication is usually taken over by a Vorschmierpumpe 21, which is designed in terms of performance significantly below the oil pump 1 1 and bridges them during the Vorschmiervorganges.
  • the prelubrication pump 21 provides, for example, 0.8 bar oil pressure.
  • a preferably spring-loaded check valve 18 prevents oil 1 from being discharged from oil lines and the oil pan 2 into the oil reservoir 3 when the internal combustion engine 1 is at a standstill.
  • Another particular advantage of a spring-loaded check valve 18 is that it remains closed during the preloading and thus the oil O must be pumped during the Vorschmiervorganges only by the internal combustion engine 1 and not by the entire oil reservoir 3. The situation will be illustrated by a numerical example:
  • the circulation capacity of the oil pump 1 1 is 480 l / min.
  • the temperature of the oil O exiting the oil pan 2 is about 70 ° C.
  • the prelubrication pump 21 provides, for example, 0.8 bar oil pressure.
  • the opening pressure of the check valve 18 is for example, designed with 1 bar. Then, the pressure of the prelighting pump 21 is below the opening pressure of the check valve 18.
  • the oil reservoir 3 has approximately the same oil volume as the oil pan 2. The oil volume involved in the oil circulation is thus doubled by the oil reservoir 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

L'invention concerne un système d'alimentation en huile d'un moteur à combustion interne (1), le moteur à combustion interne (1) comprenant un carter d'huile intérieur (2), le système d'alimentation en huile comportant à l'extérieur du moteur à combustion interne au moins un réservoir d'huile extérieur (3) en plus du carter d'huile intérieur (2) du moteur à combustion interne (1), un conduit d'alimentation (4) destiné à être relié au moteur à combustion interne (1) menant à un orifice de remplissage (5) du réservoir d'huile (3) et un conduit de retour (6) destiné à être relié au moteur à combustion interne (1) ramenant l'huile (O) du réservoir d'huile (3) au moteur à combustion interne (1), le conduit de retour (6) étant relié au réservoir d'huile (3) et le réservoir d'huile (3) comportant au moins une cuve d'huile (7), un orifice d'évacuation (8) du conduit de retour (6) étant ménagé à proximité du fond ou dans le fond de ladite moins une cuve d'huile (7).
EP16740930.9A 2015-06-25 2016-06-20 Système d'alimentation en huile d'un moteur à combustion interne Active EP3314100B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50551/2015A AT517483B1 (de) 2015-06-25 2015-06-25 Ölversorgungssystem für eine Brennkraftmaschine
PCT/AT2016/050213 WO2016205844A1 (fr) 2015-06-25 2016-06-20 Système d'alimentation en huile d'un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP3314100A1 true EP3314100A1 (fr) 2018-05-02
EP3314100B1 EP3314100B1 (fr) 2023-01-11

Family

ID=56463961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16740930.9A Active EP3314100B1 (fr) 2015-06-25 2016-06-20 Système d'alimentation en huile d'un moteur à combustion interne

Country Status (5)

Country Link
US (1) US10760459B2 (fr)
EP (1) EP3314100B1 (fr)
CN (1) CN107709716B (fr)
AT (1) AT517483B1 (fr)
WO (1) WO2016205844A1 (fr)

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* Cited by examiner, † Cited by third party
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US9976490B2 (en) * 2014-07-01 2018-05-22 United Technologies Corporation Geared gas turbine engine with oil deaerator
CN108953575B (zh) * 2018-08-15 2024-02-23 重庆望江工业有限公司 一种大型大功率设备多级传动齿轮箱的蓄油装置
WO2020243758A1 (fr) * 2019-06-07 2020-12-10 Innio Jenbacher Gmbh & Co Og Moteur à combustion interne et procédé pour faire fonctionner un tel moteur à combustion interne
GB201914878D0 (en) * 2019-10-15 2019-11-27 Castrol Ltd Motor fluid transfer system and method
CN115405396B (zh) * 2022-09-21 2023-10-13 山东源顺智能科技有限公司 一种油泵供油系统及其控制方法
US12146428B1 (en) * 2023-05-19 2024-11-19 Caterpillar Inc. Oil make-up system with siphon mitigation
US12590551B1 (en) * 2024-09-25 2026-03-31 Pratt & Whitney Canada Corp. Oil tank return for an aircraft engine oil system

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Also Published As

Publication number Publication date
US10760459B2 (en) 2020-09-01
CN107709716B (zh) 2021-02-05
EP3314100B1 (fr) 2023-01-11
US20190203618A1 (en) 2019-07-04
WO2016205844A1 (fr) 2016-12-29
AT517483B1 (de) 2017-02-15
CN107709716A (zh) 2018-02-16
AT517483A4 (de) 2017-02-15

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