Method for lubricating at least two units of a vehicle equipped with an internal combustion engine
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16N-007/38
F16N-007/00
출원번호
US-0492133
(2002-10-11)
우선권정보
DE-101 49 992(2001-10-11)
국제출원번호
PCT/EP02/011385
(2002-10-11)
§371/§102 date
20040407
(20040407)
국제공개번호
WO03/033957
(2003-04-24)
발명자
/ 주소
Luther,Rolf
Seyfert,Christian
출원인 / 주소
Fuchs Petrolub AG
대리인 / 주소
Foley &
인용정보
피인용 횟수 :
3인용 특허 :
6
초록▼
The present invention relates to a method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, and to a corresponding vehicle. In order to be able to dispense with an oil change of the individual units, and at the same tim
The present invention relates to a method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, and to a corresponding vehicle. In order to be able to dispense with an oil change of the individual units, and at the same time ensure the necessary quality and quantity of lubricant, it is proposed according to the invention to conduct the lubricant in series through the at least two units in that fresh lubricant is fed to the first unit from a container, at least some of the used lubricant is removed from the oil trough of the individual units and is fed to the unit which is respectively arranged afterwards in the series, and the lubricant which is removed from the oil trough of the last unit is fed to the internal combustion engine for combustion.
대표청구항▼
The invention claimed is: 1. A method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, the method comprising: successively conveying lubricant through the at least two units including a first unit, in that fresh lubri
The invention claimed is: 1. A method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, the method comprising: successively conveying lubricant through the at least two units including a first unit, in that fresh lubricant is fed to the first unit from a container, at least some of the lubricant, used for lubricating at least one assembly of the first unit, is removed from an oil trough of the first unit and is fed to a consecutive unit which is respectively arranged afterwards in the series, wherein the consecutive comprises at least one assembly being lubricated by the lubricant being conveyed by a previous unit; and feeding the lubricant which is removed from the oil trough of a last unit to the internal combustion engine for combustion or feeding or spraying the lubricant into the exhaust section of the engine for combustion of the lubricant, wherein the first unit to which the lubricant is fed comprises one or more assemblies selected from the group consisting of hydraulics, transmission, and wet brakes. 2. The method as claimed in claim 1, wherein the refreshing rate of lubricant is 0.1% to 2.5% with respect to the fuel consumption. 3. The method as claimed in claim 1, wherein the units are arranged in accordance with the degree of their requirement for purity of the lubricant. 4. A method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, the method comprising: successively conveying lubricant through the at least two units in that fresh lubricant is fed to a first unit of the at least two units from a container, at least some of the used lubricant is removed from an oil trough of the individual units and is fed to the unit which is respectively arranged afterwards in the series; and feeding the lubricant which is removed from the oil trough of the last unit to the internal combustion engine for combustion, wherein additives are added to the lubricant removed from the unit, before it is fed to the unit which follows in the series. 5. The method as claimed in claim 4, wherein the additives are input directly into the oil trough of the unit or into the lubricant line which leads to the unit. 6. The method as claimed in claim 1, wherein ash-free and heavy-metal-free, sulfur-free and low-phosphorus formulations on the basis of plant oils are used as lubricants. 7. The method as claimed in claim 1, wherein the lubricant which is removed from the oil trough of the last unit is burnt in the engine, together with fuel supplied from a fuel tank. 8. A method for lubricating at least two units of a vehicle having an internal combustion engine, each unit comprising one or more assemblies, the method comprising: successively conveying lubricant through the at least two units in that fresh lubricant is fed to a first unit of the at least two units from a container, at least some of the used lubricant is removed from an oil trough of the individual units and is fed to the unit which is respectively arranged afterwards in the series; and feeding the lubricant which is removed from the oil trough of the last unit to the internal combustion engine for combustion, wherein the lubricant which is removed from the oil trough of the last unit is fed, or sprayed, for the purposes of combustion, into the exhaust section of the engine. 9. The method as claimed in claim 1, wherein the lubricant which is removed from the last unit is burnt in the engine, at least essentially in proportion to the fuel consumption. 10. The method as claimed in claim 1, wherein the lubricant which is removed from the last unit is burnt in the engine only when there is a full load or partial load of more than 70% of the engine. 11. The method as claimed in claim 1, wherein an essentially constant quantity of lubricant is continuously maintained in the units affected. 12. The method as claimed in claim 1, wherein the lubricant is fed through the series composed of the reservoir container for fresh lubricant, first to last unit to be lubricated, and the fuel line or the exhaust section of the engine, by means of electric, mechanical or hydraulic metering pumps. 13. The method as claimed in claim 1, wherein the corresponding metering pumps are controlled by a control device which receives and evaluates signals of filling level measuring devices, in such a way that the lubricant level in the units is prevented from dropping or being exceeded. 14. A vehicle having an internal combustion engine, having a reservoir container for fresh lubricant, the vehicle comprising: at least two units to be lubricated by lubricant successively conveyed through the at least two units, each unit comprising one or more assemblies and having an oil trough, and a fuel tank and a fuel line for feeding fuel into the internal combustion engine, wherein the at least two units are arranged in series in such a way that a feed line for fresh lubricant leads from the reservoir container to a first unit in a series, in each case a lubricant line leads from a unit which is arranged in a preceding position in the series, to a unit which is arranged afterwards in the series, and a discharge line for used lubricant leads into the fuel line or an exhaust section of the internal combustion engine from the unit which is last in the series, wherein the first unit to which lubricant is fed comprises one or more assemblies from the group consisting of hydraulics, transmission, and wet brakes, and wherein each consecutive unit comprises at least one assembly being lubricated by the lubricant conveyed from an oil trough of a preceding unit. 15. The vehicle as claimed in claim 14, wherein an additive tank is provided, from which an additive line leads into a lubricant line which leads to at least one unit, or into the oil trough of a unit. 16. The vehicle as claimed in claim 14, wherein at least one of the lubricant lines is equipped with a metering pump. 17. The vehicle as claimed in claim 16, wherein at least one of the units has an automatic fuel level measuring device which is connected, via a control device, to the metering pump. 18. The vehicle as claimed in claim 16, wherein at least one of the units has an oil level sensor which is connected, via a control device, to the metering pump. 19. The vehicle as claimed in claim 16, wherein a central control device is provided which evaluates the measured values of a filling level measuring device and/or of oil state sensors and converts them into a control signal by means of which the metering pump is controlled. 20. The vehicle as claimed in claim 19, wherein the control device is configured in such a way that additional information such as load, engine speed, oil temperatures, current fuel consumption, can be received from the on-board electronics or other vehicle components and is used to control the metering pump.
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이 특허에 인용된 특허 (6)
Koeberlein David E. ; Cantrell Paul D. ; Keith Eric S. ; Graham John P. ; Wang Jerry C. ; Roettgen Leslie A. ; Carver Donald P. ; Black Colin I. ; Stehouwer David M. ; Hatton Ray C., Electronically controlled continuous lubricating oil replacement system.
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