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    • 4. 发明申请
    • VALVETRAIN OIL CONTROL SYSTEM AND OIL CONTROL VALVE
    • VALVETRAIN油控制系统和油控阀
    • WO2010011727A2
    • 2010-01-28
    • PCT/US2009/051372
    • 2009-07-22
    • EATON CORPORATION
    • KELLER, Robert, D.BENEKER, Gerrit V.DAYTON, Robert A.
    • F01M3/00
    • F01L1/24F01L9/02G05D16/2093Y10T137/776Y10T137/7761Y10T137/7768Y10T137/86196
    • A hydraulic control system (10) is provided having an oil control valve (20) to control oil flow within a valvetrain. The control valve (20) varies the flow rate to actuate an engine component (16A) from a first position to a second position based upon the pressure of fluid from the control valve (20). Varying the flow rate through the control valve (20) includes increasing the flow rate through the control valve (20) to increase the pressure to a first level to actuate the engine component (16A) to the first position. After the engine component (16A) is actuated, the flow rate through the control valve (20) is maintained at a level sufficient to maintain the engine component (16A) in the first position. To actuate the engine component (16A) to the second position the flow rate through the control valve (20) is then decreased. The fluid flow rate through the control valve (20) is then maintained at a level sufficient to maintain the engine component (16A) in the second position.
    • 液压控制系统(10)设有一个油控制阀(20),用于控制瓦楞机内的油流。 基于来自控制阀(20)的流体的压力,控制阀(20)改变流量以使发动机部件(16A)从第一位置驱动到第二位置。 改变通过控制阀(20)的流量包括增加通过控制阀(20)的流量,以将压力增加到第一水平以将发动机部件(16A)致动到第一位置。 在发动机部件(16A)致动之后,通过控制阀(20)的流量被保持在足以将发动机部件(16A)保持在第一位置的水平。 为了将发动机部件(16A)致动到第二位置,然后通过控制阀(20)的流量减小。 然后通过控制阀(20)的流体流速保持在足以将发动机部件(16A)保持在第二位置的水平。