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    • 3. 发明专利
    • Flow rate control valve for clutch control device
    • AU2008233813B2
    • 2012-08-09
    • AU2008233813
    • 2008-03-13
    • ISUZU MOTORS LTD
    • TAKEI YOSHIHIROKAWANISHI HIROYUKIYAMAMOTO YASUSHI
    • F16D48/02
    • A clutch control device for a vehicle having a clutch actuator driven by operation fluid compensates aged deterioration etc. of a flow rate control valve for controlling the operation fluid and accurately controls the amount of connection of a clutch by using simple means. The clutch control device has a single flow rate control valve (1) for controlling supply and discharge of the operation fluid in order to change the stroke of the clutch actuator (110). The flow rate control valve (1) has a neutral position at which supply and discharge of the operation fluid is stopped. A control device (9) for the flow rate control valve has a learning device (91) for learning the neutral position. To perform stroke control, the control device (9) corrects the amount of electricity, which is conducted to a coil (8) of an electromagnetic solenoid, based on a learned value obtained by the learning device (91) and compensates a variation of flow rate characteristics due to aged deterioration etc. The learning of the neutral position is made when the variation speed of stroke is substantially zero.
    • 6. 发明专利
    • Flow rate control valve for clutch control device
    • AU2009293815A1
    • 2010-03-25
    • AU2009293815
    • 2009-09-16
    • ISUZU MOTORS LTD
    • TAKEI YOSHIHIROYAMAMOTO YASUSHIKAWANISHI HIROYUKI
    • F16D48/02
    • A clutch control device for vehicle equipped with a clutch actuator driven by a working fluid, wherein secular change in the flow rate control valve for controlling the working fluid is compensated, and the rate of connection of the clutch is correctly controlled by a simple means. To control the stroke of a clutch actuator 110, the clutch control device is provided with a single flow rate control valve 1 that controls the feed and discharge of the working fluid by using an electromagnetic solenoid. A flow rate control valve control device 9 is provided with a learning device 91 that learns the neutral position of the flow rate control valve 1 which shuts off the flow of the working fluid, separately detects the amounts of electric current to a coil 8 of when the rate of change in the stroke becomes zero depending upon the directions in which the valve body of the flow control valve 1 moves, and learns the central point at the neutral position by averaging the detected values. In controlling the stroke of the clutch, the amount of electric current to the coil 8 is corrected based on the learned value to compensate for a change in the flow rate characteristics by secular changes.
    • 7. 发明专利
    • DE602006011750D1
    • 2010-03-04
    • DE602006011750
    • 2006-05-19
    • ISUZU MOTORS LTD
    • YAMAMOTO YASUSHIABE MAKOTO
    • F01D1/32F01K11/04F01K25/04F03G6/00
    • A steam engine of this invention is simply constituted and efficiently obtains mechanical energy not only from a heat source of a high temperature but also from the exhaust heat of an internal combustion engine and various kinds of heat sources of a low-temperature state such as the solar heat. In the engine, a rotor (5) comprising a folded jet pipe (51) is rotatably supported in a sealed container (1) filled with a liquid. A heating portion (9) is inserted in a center cylinder (50) at the center of the rotor, the liquid sucked through the suction pipe (52) of the rotor (5) is vaporized, and a mixture of steam and liquid is jetted from the jet pipe (51) to rotate the rotor (5). A check valve (53) for jetting and a check valve (54) for suction are disposed at the ends of the jet pipe (51) and the suction pipe (52). The jetted steam is guided to a condenser (2) disposed on the sealed container (1), and is condensed and is refluxed into the sealed container (1). A vacuum pump (23) is connected to the condenser (2), and the pressure in the sealed container is held at the saturated steam pressure. Therefore, the steam generates to rotate the rotor (5) despite the liquid has a low temperature.