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    • 2. 发明授权
    • Control apparatus for hydraulically operated vehicular transmission
    • 液压操纵车辆变速箱控制装置
    • US6045483A
    • 2000-04-04
    • US310978
    • 1999-05-13
    • Masaya TamaiYasushi ShimizuMasaru Yamashita
    • Masaya TamaiYasushi ShimizuMasaru Yamashita
    • F16H61/02B60K41/06F16H61/26
    • F16H61/0267Y10T477/69367
    • There are respectively provided control valves 15, 16 in hydraulic oil paths L11, L12 for inputting governor pressure PV into shift valves 11.sub.1, 11.sub.2, 11.sub.3. In the control valves 15, 16, there are provided first pressure chambers 15g, 16g pushing the spools 15a, 16a of the control valves 15, 16 onto the closing position side. At position "D.sub.3 " or "2", hydraulic pressure is inputted into the first pressure chambers 15g, 16g, so that the spools 15a, 16a can be changed over to the closing position, and the input of governor pressure PV into the shift valves 11.sub.1, 11.sub.2, 11.sub.3 is stopped so that the shift valves can be changed over to the low speed position. In the control valves 15, 16, there are provided second pressure chambers 15h, 16h pushing the spools 15a, 16a onto the opening position side, and governor pressure PV is inputted into the second pressure chambers 15h, 16h. In this way, the spools 15a, 16a are not changed over to the closing position while the vehicle is running at high speed.
    • 在液压油路L11,L12中分别设置有用于将调速器压力PV输入换档阀111,112,113的控制阀15,16。在控制阀15,16中设置有第一压力室15g,16g, 控制阀15,16的15a,16a到关闭位置侧。 在位置“D3”或“2”处,液压被输入到第一压力室15g,16g中,使得阀芯15a,16a可以转换到关闭位置,并且调速器压力PV输入到换档阀 111,112,113停止,使得换档阀能够切换到低速位置。 在控制阀15,16中设置有第二压力室15h,16h,将阀芯15a,16a推压到打开位置侧,并且将调速器压力PV输入到第二压力室15h,16h。 以这种方式,当车辆高速行驶时,线轴15a,16a不会切换到关闭位置。
    • 8. 发明申请
    • Fuel Consumption Evaluation System
    • US20070256481A1
    • 2007-11-08
    • US11659809
    • 2005-07-15
    • Yoshitaka NishiyamaMasaru YamashitaHiroshi MiyakeAkria Nakamura
    • Yoshitaka NishiyamaMasaru YamashitaHiroshi MiyakeAkria Nakamura
    • G06G7/70G01M15/00G06F7/00
    • G01F9/02B60K2350/1092Y02T10/84
    • The present invention is intended to provide a fuel consumption evaluation system which obtains quantitative data to determine whether actual driving has consumed fuel more efficiently or less efficiently than average driving and gives the driver and/or manager concrete advice for fuel-efficient driving based on the obtained data, and also provide a fuel consumption evaluation system which decides, based on obtained fuel efficiency data, whether driving is more fuel-efficient than average driving and sets a target and gives the driver and/or manager concrete advice for fuel-efficient driving based on the obtained data in consideration of change in vehicle total mass without any influence of slopes and traffic flows and particularly encourages and instructs, in real time, the driver to do fuel-efficient driving. The system comprises: engine speed measuring means (2) which measures engine speed of a truck (1); accelerator opening degree measuring means (3) which measures an accelerator opening degree (α); vehicle velocity measuring means (4) which measures vehicle velocity (V); fuel flow rate measuring means (5) which measures a fuel flow rate (Fw); and control means (10) which evaluates fuel consumption of the truck from measured engine speed (N), accelerator opening degree (α), vehicle velocity (V) and fuel flow rate (Fw). The control means, which has storage means (11), divides a run from start to stop into plural phases (start acceleration phase E1, steady running phase E2, deceleration phase E3, idling phase E4), sets fuel consumption-related parameters (“start acceleration shift-up engine speed N1 and start acceleration accelerator opening degree α1” P1, “steady running engine speed N2” P2, “deceleration coasting ratio” P3 and “idling velocity V4” P4) for each of the plural phases (E1-E4, determines fuel consumption (Q) for each of the plural phases (E1-E4) based on correlation (correlation line F in FIG. 5) between the parameters (P1, P2, P4) and fuel consumption (fuel consumption per unit distance traveled q), and makes an evaluation based on the determined fuel consumption (Q).