EP0638708A1 - Circuit de lubrification pour un moteur à combustion interne avec un dispositif de remplissage réglé par clapet - Google Patents

Circuit de lubrification pour un moteur à combustion interne avec un dispositif de remplissage réglé par clapet Download PDF

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Publication number
EP0638708A1
EP0638708A1 EP94110532A EP94110532A EP0638708A1 EP 0638708 A1 EP0638708 A1 EP 0638708A1 EP 94110532 A EP94110532 A EP 94110532A EP 94110532 A EP94110532 A EP 94110532A EP 0638708 A1 EP0638708 A1 EP 0638708A1
Authority
EP
European Patent Office
Prior art keywords
oil
valve
line
pressure
refill
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
EP94110532A
Other languages
German (de)
English (en)
Other versions
EP0638708B1 (fr
Inventor
Herbert Zöller
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Mercedes Benz 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 Daimler Benz AG, Mercedes Benz AG filed Critical Daimler Benz AG
Publication of EP0638708A1 publication Critical patent/EP0638708A1/fr
Application granted granted Critical
Publication of EP0638708B1 publication Critical patent/EP0638708B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • F01M11/10—Indicating devices; Other safety devices
    • F01M11/12—Indicating devices; Other safety devices concerning lubricant level
    • 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

Definitions

  • the invention relates to a lubricating oil circuit for an internal combustion engine with a suction pump in the lubricating oil supply of an oil pan for supplying lubricating oil to lubricating points of the internal combustion engine via a delivery line and with a valve-controlled refill device, according to the features specified in the preamble of claim 1.
  • Such a lubricating oil circuit is known from DE-AS 1 450 254, in which a refill device prevents overfilling or emptying of the oil sump of the internal combustion engine. Excess lubricating oil is pumped into an additional oil tank. A pressure pump with a lower output arranged in the refill line continuously pumps the oil from the additional container into the oil pan of the internal combustion engine. An electrically operable multi-way valve is provided downstream of this pressure pump, which connects the refill line to the oil pan or briefly to a distributor system for the lubrication of lubrication points located outside the internal combustion engine.
  • the invention has for its object to provide measures in the lubricating oil circuit of an internal combustion engine, by means of which, in addition to extending the oil change intervals, a frequent oil exchange can also be implemented and is always almost constant Oil level between a maximum and minimum limit value in the oil pan of the internal combustion engine is ensured.
  • the measures according to the invention enable automatic refilling of the engine or lubricating oil from the additional oil tank into the oil pan of the internal combustion engine in a simple manner, with rapid oil aging being avoided by replacing the engine oil which is always present. The need for the annoying refill of foreign oil no longer exists.
  • additional oil can be supplied continuously until a maximum oil level is reached in the oil pan through the pressure valve acted upon by engine oil pressure.
  • the spring-loaded pressure valve assumes its blocking position, in which no engine oil can flow from the oil pan into the additional oil tank or vice versa if the internal combustion engine is in an inclined position.
  • a total of engine oil can be refilled or can only be replaced by a route control, and in another case (claim 7) engine oil can be exchanged and refilled at the same time.
  • lubricating oil circuit 1 for an internal combustion engine 2 with a valve-controlled refill device or a lubricating oil supply compensation.
  • a suction pump denoted by 3 sucks lubricating oil from the lubricating oil supply of an oil pan 4 and conveys it via a delivery line 5 to lubrication points of the internal combustion engine 2, which are not shown in detail Interposition of a controllable and designed as a 2/2-way solenoid valve 9 leads.
  • the solenoid valve 9 receives a changeover pulse from the oil level sensor A and switches from its blocking position to the flow position. This position is maintained until a certain minimum oil level in the oil pan 4 is reached.
  • the flow position can also be maintained depending on the time, e.g. 30 seconds.
  • the lubricating oil circuit 1 has two solenoid valves 20, 21, which are designed as 3/2-way valves, as well as a spring-loaded displacement piston 22 and a check valve 23, which is arranged in a suction line 24 connected to the additional oil container 8.
  • an operating hours counter B sends a changeover pulse every four hours to the solenoid valve 20 interposed in the pressure oil supply line 7, which is transferred from its rest position to the open position, whereby pressurized engine oil flows into a cylinder 25 and moves it in the cylinder 25 longitudinally displaceable displacer 22 against the Return spring 26 to the right.
  • the engine oil present in the spring chamber 27, which was previously sucked out of the additional oil tank 8 via the check valve 23, is displaced, fed into the refill line 10 and conveyed into the lubricating oil reservoir of the oil pan 4 via the pressure valve designed as a check valve 29.
  • the solenoid valve 20 switches back to the rest position shown and the return spring 26 now moves the displacer 22 back into its basic position, displaced motor oil being conveyed to the solenoid valve 21 via the solenoid valve 20.
  • This solenoid valve 21 controls (as shown) the oil flow depending on the oil level via an exchange line 27 into the additional oil tank 8 or in the other position of the solenoid valve 21 via a refill auxiliary line 28 into the oil pan 4.
  • the refill auxiliary line 28 opens downstream of the pressure valve or check valve 29 into the refill line 10th
  • FIG. 3 largely corresponds to that according to FIG. 1, but the pressure valve in the refill line 10 is a check valve 29, furthermore a hydraulic motor 30 driven by the oil flow is provided in the pressure supply line 7 downstream of the solenoid valve 9 drives an oil pump 32 inserted in the refill line 10 upstream of the check valve 29.
  • the solenoid valve 9, a 2/2-way valve is switched into the open position by the oil level sensor, engine oil flows to the hydraulic motor 30 and from there into the ventilated additional oil tank 8 the driven oil pump 32 sucks oil from the additional oil tank 8 and pumps it into the oil pan 4.
  • the delivery rate of the oil pump 32 is slightly larger than the volume flow through the hydraulic motor 30; the oil level in the oil pan 4 thus rises only slowly.
  • the 2/2-way valve only returns to the initial position or closed position when the maximum oil level has been reached and is indicated by the oil level sensor A.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
EP19940110532 1993-08-13 1994-07-06 Circuit de lubrification pour un moteur à combustion interne avec un dispositif de remplissage réglé par clapet Expired - Lifetime EP0638708B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4327262 1993-08-13
DE19934327262 DE4327262C1 (de) 1993-08-13 1993-08-13 Schmierölkreislauf für eine Brennkraftmaschine mit einer ventilgesteuerten Nachfülleinrichtung

Publications (2)

Publication Number Publication Date
EP0638708A1 true EP0638708A1 (fr) 1995-02-15
EP0638708B1 EP0638708B1 (fr) 1996-04-24

Family

ID=6495143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940110532 Expired - Lifetime EP0638708B1 (fr) 1993-08-13 1994-07-06 Circuit de lubrification pour un moteur à combustion interne avec un dispositif de remplissage réglé par clapet

Country Status (3)

Country Link
EP (1) EP0638708B1 (fr)
DE (1) DE4327262C1 (fr)
ES (1) ES2087781T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035462A1 (fr) * 1994-06-17 1995-12-28 Refrigerant Monitoring Systems Pty. Ltd. Dispositif de regulation du niveau d'huile
US6125642A (en) * 1999-07-13 2000-10-03 Sporlan Valve Company Oil level control system
DE102011084146A1 (de) 2011-10-07 2013-04-11 Bayerische Motoren Werke Aktiengesellschaft Nachfüllen von Schmieröl aus einem Vorratsbehälter in eine Ölwanne eines Verbrennungsmotors
US20150053505A1 (en) * 2013-08-05 2015-02-26 Briggs & Stratton Corporation Engine oil recirculation system for extended maintenance interval
USD852319S1 (en) 2015-11-13 2019-06-25 Briggs & Stratton Corporation Oil filter
USD926286S1 (en) 2017-09-15 2021-07-27 Briggs & Stratton, Llc Oil filter
CN114109555A (zh) * 2021-11-30 2022-03-01 三一重机有限公司 机油保养系统、工程机械及机油保养方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011860B4 (de) * 2000-03-10 2008-03-13 Man Nutzfahrzeuge Ag Ölfüllstandssensor
DE102014006004B4 (de) * 2013-12-27 2020-10-01 Sms Group Gmbh Schmiermittelkreislauf, Schmiermittelabförderverfahren, Schmiermittelförderer und Schmiermittelabförderungspumpe
CN105443193B (zh) * 2014-08-11 2019-04-16 刘新羽 一种汽车发动机润滑油保证装置及其控制方法
DE102016115778A1 (de) 2016-08-25 2018-03-01 Kriwan Industrie-Elektronik Gmbh Verfahren zum Betreiben eines Ölspiegelregulators

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556024A (en) * 1985-01-07 1985-12-03 Ford Motor Company Engine lubrication system
US4869346A (en) * 1987-08-14 1989-09-26 Nelson Donald M Automatic crankcase oil change and makeup system
DE4134568C1 (en) * 1991-10-19 1993-06-03 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Oil supply circuit for IC engine, partic. vehicle - has topping-up chamber with piston determining effective volume, controlled by sensor periodically detecting sump oil level

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556024A (en) * 1985-01-07 1985-12-03 Ford Motor Company Engine lubrication system
US4869346A (en) * 1987-08-14 1989-09-26 Nelson Donald M Automatic crankcase oil change and makeup system
DE4134568C1 (en) * 1991-10-19 1993-06-03 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Oil supply circuit for IC engine, partic. vehicle - has topping-up chamber with piston determining effective volume, controlled by sensor periodically detecting sump oil level

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995035462A1 (fr) * 1994-06-17 1995-12-28 Refrigerant Monitoring Systems Pty. Ltd. Dispositif de regulation du niveau d'huile
US5911289A (en) * 1994-06-17 1999-06-15 Waller; Clive Gregory Oil level control apparatus
US6125642A (en) * 1999-07-13 2000-10-03 Sporlan Valve Company Oil level control system
DE102011084146A1 (de) 2011-10-07 2013-04-11 Bayerische Motoren Werke Aktiengesellschaft Nachfüllen von Schmieröl aus einem Vorratsbehälter in eine Ölwanne eines Verbrennungsmotors
US20150053505A1 (en) * 2013-08-05 2015-02-26 Briggs & Stratton Corporation Engine oil recirculation system for extended maintenance interval
USD852319S1 (en) 2015-11-13 2019-06-25 Briggs & Stratton Corporation Oil filter
US10724406B2 (en) 2015-11-13 2020-07-28 Briggs & Stratton Corporation Small air-cooled engine assembly with dry sump lubrication system
US11293312B2 (en) 2015-11-13 2022-04-05 Briggs & Stratton, Llc Small air-cooled engine assembly with dry sump lubrication system
USD926286S1 (en) 2017-09-15 2021-07-27 Briggs & Stratton, Llc Oil filter
CN114109555A (zh) * 2021-11-30 2022-03-01 三一重机有限公司 机油保养系统、工程机械及机油保养方法

Also Published As

Publication number Publication date
ES2087781T3 (es) 1996-07-16
EP0638708B1 (fr) 1996-04-24
DE4327262C1 (de) 1994-10-20

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