Oil pump control system for vehicle
a technology of oil pump control and vehicle, which is applied in the direction of positive displacement liquid engine, engine revolution, instruments, etc., can solve the problems of reducing fuel efficiency, difficulty in properly managing unnecessary oil pressure, and reducing fuel efficiency, so as to prevent the reduction of fuel efficiency, maximize fuel efficiency, and quickly determine a failure
Inactive Publication Date: 2013-06-13
HYUNDAI MOTOR CO LTD +1
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Benefits of technology
[0017]As such, the oil pump control system for a vehicle according to the exemplary embodiment of the present invention calculates the target oil pressure value of the discharging part of the oil pump in response to the information relating to the oil pressure and operation state of the engine among the vehicle information, and performs feedback control such that the measured oil pressure value inputted from the oil pressure sensor follows the target oil pressure value. Therefore, the oil pump control system may control the formation of unnecessary oil pressure in the discharging part of the oil pump during cold working or a high or low load, thereby managing the load of the oil pump. Accordingly, it is possible to prevent the reduction of fuel efficiency caused by the oil pump.
[0018]Further, the oil pump control system for a vehicle according to the exemplary embodiment of the present invention may perform feedback control according to the target oil pressure value calculated by considering the effect of the piston cylinder cooling jet, which makes it possible to further maximize the fuel efficiency.
[0019]In addition, the oil pump control system for a vehicle according to the exemplary embodiment of the present invention may detect an oil pressure difference of the engine and quickly determine a failure caused by a fatal error of an engine lubricating system, thereby preventing an engine failure.
Problems solved by technology
Accordingly, even when an unnecessary oil pressure is formed in the discharging part of oil pump 10 during cold working or a high or low load, oil pump control system 1 according to the related art has difficulties in properly managing the unnecessary oil pressure.
Furthermore, such a problem increases the load of oil pump 10, thereby reducing fuel efficiency.
Method used
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[0026]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.
[0027]Hereinafter, an oil pump control system for a vehicle according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings.
[0028]Referring to FIG. 2, an oil pump control system 100 for a vehicle according to the exemplary embodiment of the present invention will be described...
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An oil pump control system for a vehicle, may include an oil pump configured to supply oil to an engine, an oil pressure control valve regulating oil pressure value of a discharging part in the oil pump, an oil pressure sensor sensing and outputting the oil pressure value of the discharging part in the oil pump, and a controller receiving a signal of the oil pressure value, determining a target oil pressure value of the discharging part in the oil pump in response to information relating to an oil pressure and operation state of the engine among vehicle information inputted from outside, comparing the sensed oil pressure value inputted from the oil pressure sensor with the target oil pressure value, and performing feedback control to drive the oil pressure control valve.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS[0001]The present application claims priority to Korean Patent Application Number 10-2011-133541 filed Dec. 13, 2011, the entire contents of which application is incorporated herein for all purposes by this reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an oil pump control system for a vehicle, and more particularly, to an oil pump control system for a vehicle, which controls oil pressure of a discharging part of an oil pump.[0004]2. Description of Related Art[0005]FIG. 1 is a block diagram of an oil pump control system for a vehicle according to the related art. As illustrated in FIG. 1, control pump control system 1 according to the related art includes an oil pump 10 driven by a crankshaft and a relief valve 20 for returning oil to a suction port of the pump when oil pressure excessively increases.[0006]Here, relief valve 20 operates to recirculate oil of a discharging part of oil p...
Claims
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IPC IPC(8): F01M1/16
CPCF01M1/16F01M1/20F04B49/06F04B2205/06F01M2250/62F01M2250/64F04B2205/05F01M2001/0238F01M1/02F01M1/18F16D48/02F16H61/0262
Inventor CHUNG, YOUNGROCK
Owner HYUNDAI MOTOR CO LTD
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