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    • 1. 发明授权
    • Air induction system for automotive air-conditioner
    • 汽车空调空气感应系统
    • US4614152A
    • 1986-09-30
    • US667755
    • 1984-11-02
    • Yoshinori FukasakuKatsuhiko HashimotoKunihiro Noto
    • Yoshinori FukasakuKatsuhiko HashimotoKunihiro Noto
    • B60H1/00B60H1/24
    • B60H1/00678Y10T137/86815Y10T137/86847
    • An air induction system for an automotive air-conditioner has an air switching housing connected to the suction opening of a blower casing. The housing is provided with a fresh outdoor air induction opening formed in the top wall opposing the suction opening, and a recirculated indoor air induction opening formed in a side wall adjacent to the top wall. An air-switching door is provided for selectively opening and closing the outdoor air induction opening and the indoor air opening. The air-switching door is foldable substantially at its mid portion so that, when the door closes the indoor air induction opening, it is folded to provide a small effective area, while, when it closes the outdoor air induction opening, it is extended to provide a large effective area. The system further has auxiliary indoor air induction openings formed in other side walls and an accordion-type shutter for selectively closing and opening the auxiliary indoor air induction opening. The air switching door and the accordion-type shutter are operatively connected such that, when the door opens the outdoor air induction opening and closes the indoor air opening, the shutter closes the auxiliary indoor air induction openings.
    • 用于汽车空调的空气感应系统具有连接到鼓风机壳体的吸入口的空气切换壳体。 壳体设置有形成在与吸入口相对的顶壁中的新鲜的室外空气感应开口,以及形成在与顶壁相邻的侧壁中的再循环的室内空气感应开口。 设置有用于选择性地打开和关闭室外空气吸入口和室内空气开口的空气切换门。 空气切换门可在其中间部分大体上折叠,使得当门关闭室内空气感应开口时,它被折叠以提供小的有效面积,而当其关闭室外空气感应开口时,其延伸到 提供较大的有效面积。 该系统还具有形成在其他侧壁中的辅助室内空气感应开口和用于选择性地关闭和打开辅助室内空气感应开口的手风琴式快门。 空气切换门和手风琴式快门可操作地连接,使得当门打开室外空气吸入口并关闭室内空气开口时,快门关闭辅助室内空气感应开口。
    • 2. 发明授权
    • Rotational speed control circuit for a D.C. motor
    • 直流电机的转速控制电路
    • US4274036A
    • 1981-06-16
    • US004881
    • 1979-01-19
    • Yoshinori FukasakuKunihiro Noto
    • Yoshinori FukasakuKunihiro Noto
    • H02P7/288H02P5/16
    • H02P7/2885Y10S388/91
    • A rotational speed control circuit for a D.C. motor includes a power transistor with its emitter-collector path connected in series with the D.C. motor and a power supply. A base current of the power transistor is controlled by an output of a differential amplifier which is supplied at its one of input terminals with a constant voltage and at the other input terminal with a voltage changing in accordance with a terminal voltage of the D.C. motor. Further the latter input terminal of the differential amplifier is given a variable bias potential by means of an adjustable mechanism. By this circuit configuration, the rotational speed of the D.C. motor can be continuously and proportionally adjusted over a wide range and once the rotational speed is set to predetermined value by the adjustable mechanism, a stable and constant speed control for the D.C. motor can be achieved.
    • 用于直流电动机的转速控制电路包括功率晶体管,其发射极 - 集电极路径与直流电动机和电源串联。 功率晶体管的基极电流由在其一个输入端子处以恒定电压提供的差分放大器的输出控制,另一个输入端子的电压根据直流电动机的端子电压而变化。 此外,通过可调机构给差分放大器的后一个输入端子提供可变的偏置电位。 通过该电路结构,能够在宽范围内连续地成比例地调整直流电动机的转速,一旦通过可调节机构将转速设定为规定值,则可以实现对直流电动机的稳定且恒定的速度控制 。