Engine oil circulation apparatus for vehicle
a technology for engine oil and circulation apparatus, which is applied in the direction of lubrication elements, lubrication pump, lubricant mounting/connection, etc., can solve the problems of deteriorating engine durability, increasing maintenance expenses of general consumers, and unable to use oil pumps with a large capacity, so as to reduce the viscosity of engine oil
Inactive Publication Date: 2013-05-16
HYUNDAI MOTOR CO LTD
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Benefits of technology
The present invention provides an engine oil circulation apparatus that heats engine oil before it reaches the oil pump, improving fuel efficiency and preventing abnormal noise from the engine lubricating system. The apparatus includes an oil thermostat with a valve member and a wax-type valve bar that moves based on the temperature of the engine oil. The technical effect of this invention is improved engine performance and efficiency through improved engine oil circulation.
Problems solved by technology
However, since the engine oil itself has a fluid having viscosity, a load is applied to an oil pump that operates to circulate the engine oil in an engine lubricating system, and as a result, as the oil pump requires larger power, an oil pump having a large capacity cannot but be used.
There is a trend toward decreasing the viscosity by adding an additive to the engine oil in order to improve the fuel efficiency for this reason, but maintenance expenses of general consumers may increase and further, the addition of the additive to the engine oil influences even other physical properties of engine oil deteriorating engine durability.
However, in the apparatus the related art, the engine oil heated while passing through the engine lubricating system 5 is mixed with the engine oil sump 6 to perform cooling and thereafter, a lot of time is required until the engine lubricating system 5 and in particular, since the temperature of the engine oil supplied to the engine lubricating system, the oil having high engine oil and low viscosity cannot but be supplied, and as a result, fuel efficiency is generated and lubrication between wet movable components of the engine is not smooth, abnormal noise is generated.
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[0033]Reference will now be made in detail to various embodiments of the present invention(s), examples of which are illustrated in the accompanying drawings and described below. While the invention(s) will be described in conjunction with exemplary embodiments, it will be understood that present description is not intended to limit the invention(s) to those exemplary embodiments. On the contrary, the invention(s) is / are intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.
[0034]The engine oil circulation apparatus for a vehicle according to various embodiments of the present invention includes an oil sump 11 retaining engine oil, an oil drain tray 12 fixedly installed in the oil sump 11, an oil thermostat 13 fixedly installed below the oil drain tray 12 to change a movement path of the engine oil accor...
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An engine oil circulation apparatus for a vehicle in which the temperature of the engine oil in an oil sump can be increased up to the desired set temperature within a short time just after starting an engine, and as a result, the engine oil having appropriate viscosity can be supplied to an engine lubricating system within a short time just after starting the engine.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims priority of Korean Patent Application Number 10-2011-0119756 filed Nov. 16, 2011, the entire contents of which application is incorporated herein for all purposes by this reference.BACKGROUND OF INVENTION[0002]1. Field of Invention[0003]The present invention relates to an engine oil circulation apparatus for a vehicle, and more particularly, to an engine oil circulation apparatus for a vehicle configured to supply engine oil having optimal viscosity to an engine lubricating system within a short time just after starting an engine.[0004]2. Description of Related Art[0005]Improvement of fuel efficiency of an internal combustion engine as a countermeasure for high oil prices becomes the major talking point and general consumers preferentially consider fuel efficiency at the time of purchasing a vehicle.[0006]Various methods for improving the engine oil among various methods developed to improve the fuel efficien...
Claims
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IPC IPC(8): F01M11/03
CPCF01M5/005F01M1/12F01M1/02F01M11/03F01M5/00
Inventor KIM, ONE VAI
Owner HYUNDAI MOTOR CO LTD