利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

79 条记录 (耗时 0.01 秒)

    A device for the thermal protection of an integrated electronic power circuit
    41.
    发明公开
    A device for the thermal protection of an integrated electronic power circuit 失效
    安排的集成电子电源电路的热保护。

    公开(公告)号：EP0323813A1

    公开(公告)日：1989-07-12

    申请号：EP88830499.5

    申请日：1988-11-22

    申请人： MARELLI AUTRONICA S.p.A.

    发明人： Ciliberto, Giuseppe

    IPC分类号： H02H5/04 ,  H02H9/02

    CPC分类号： H02H5/044 ,  H02H9/02 ,  H03K2017/0806

    摘要： The device is intended for the thermal protection of an integrated electronic power circuit (1) including at least one output power transistor (3). The device comprises:
    a sensor (6) integrated in the circuit (1) and adapted to provide an output signal indicative of the temperature of the integrated circuit (1),
    a sensor (5) of the current flowing in the col­lector-emitter path of the transistor (3), also integrated in the circuit (1), and
    a control circuit device (7, 8), also integrated in the circuit (1), which is connected to the tem­perature sensor (6) and to the current sensor (5) and is arranged to cause a reduction in the base current of the power transistor (3) when the current in the col­lector-emitter path of the said transistor (3) exceeds a threshold value which is a decreasing function of the temperature.

    摘要翻译： 该装置适用于包括至少一个输出功率晶体管（3）集成电子电路（1）的热功率的保护。 该装置包括：一个传感器（6）集成在所述电路（1）和angepasst以提供指示所述集成电路的温度的输出信号（1），传感器（5）中的集电极 - 发射极路径中流动的电流的 晶体管（3），即集成在电路（1），和控制电路装置（7,8），被集成在电路（1）所有连接到所述温度传感器（6）和所述电流 传感器（5）和布置成促使在所述功率晶体管的基极电流的减少（3）当在所述晶体管（3）的集电极 - 发射极路径的电流超过阈值的所有其是温度的递减函数 ，

    Circuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel engine
    42.
    发明公开
    Circuit for controlling inductive loads, particularly for the operation of the electro-injectors of a diesel engine 失效
    电路，用于驱动感性负载，特别是用于运行柴油机的电喷射阀。

    公开(公告)号：EP0305342A1

    公开(公告)日：1989-03-01

    申请号：EP88830334.4

    申请日：1988-08-02

    申请人： MARELLI AUTRONICA S.p.A.

    发明人： Calfus, Marco

    IPC分类号： F02D41/20 ,  H03K17/64

    CPC分类号： F02D41/20 ,  F02B3/06 ,  F02D2041/2006 ,  F02D2041/201

    摘要： The circuit comprises
    - a low-tension supply (V B ),
    - a reactive circuit (L₁, C) including an energy storage inductor (L₁),
    - a control circuit (ECU, SW₁, SW₂, SW i ) including
    a first controlled switch (SW₁) for connecting the supply (V B ) to the inductor (L₁) to effect a storage of energy, and
    a second controlled switch (SW i ) for causing connection of the reactive circuit to the load (L i ) and rapid discharge into the load of the energy stored in the inductor (L₁) so as to inject a current pulse into the load (L i ), and
    - a by-pass branch circuit (M) connected between the first switch (SW₁) and the load (L i ) and including a current conduction control device (B) for enabling the passage of a current from the supply (V B ) to the load (L i ) when the first and second switches (SW₁, SW i ) are simultaneously closed.

    摘要翻译： 该电路包括： - 一个低张力电源（VB） - 一个电抗电路（L1，C）包括储能电感器的（L1）， - 包括第一受控开关的控制电路（ECU，SW1，SW2，SWI）（ SW1）的电源（VB）连接到所述电感器（L1），以实现存储的能量，以及用于使所述电抗电路连接到负载（Li）和快速放电到的负载的第二受控开关（SWI） 存储在电感器（L1），以便注入电流脉冲到负载（L1），并且所述能量 - 连接在所述第一开关（SW1）和负载（Li）和包括之间的旁路分支电路（M） 电流导通控制装置（B），用于使电流通过从电源（VB），以当第一和第二开关（SW1，SWI）同时关闭负载（Li）的。

    Device for monitoring the pressure of fluid in a duct
    44.
    发明公开
    Device for monitoring the pressure of fluid in a duct 无效
    一种用于监视在一个导管中的流体压力装置。

    公开(公告)号：EP0126033A1

    公开(公告)日：1984-11-21

    申请号：EP84830068.7

    申请日：1984-03-13

    申请人： MARELLI AUTRONICA S.p.A.

    发明人： Guagliumi, Renato ,  Perga, Giampiero

    IPC分类号： G01L9/00 ,  G01L9/08 ,  G01L23/10 ,  F02M65/00

    CPC分类号： G01L9/0001 ,  F02B3/06 ,  F02M65/003 ,  Y10S73/04

    摘要： A device for monitoring the pressure of fluid in an electrically conductive duct (2), such as an injection duct of a diesel engine, includes at least one electrical pressure transducer connected mechanically and electrically to the outer surface of the duct (2), and support means (6, 7) for keeping the transducer in connection with the duct (2). A rigid casing (3) for surrounding and protecting the support means (6,7) and the transducer is formed in two parts (4, 5) which are hinged together so as to clamp the transducer to the duct (2). This casing (3) is constituted at least in part by an electrically conductive material and has an internal electrical connection with the output of the transducer, whereby signals output by the transducer can be picked up directly by the casing (3) in operation.

    A device for supplying power to gas-discharge lamps for use in motor vehicles
    50.
    发明公开
    A device for supplying power to gas-discharge lamps for use in motor vehicles 失效
    用于向电动车辆供电的气体放电灯供电装置

    公开(公告)号：EP0429402A3

    公开(公告)日：1991-07-31

    申请号：EP90830461.1

    申请日：1990-10-16

    申请人： MARELLI AUTRONICA S.p.A.

    发明人： Nepote, Andrea

    IPC分类号： H05B41/392

    CPC分类号： H05B41/392

    摘要： The device includes an inverter (2) with an input (2a) for connection to the battery (B) of the vehicle and an output (2b) for connection to a lamp (L) by means of an ignitor (3). The inverter (2) includes a regulator (4) which is adapted to modify a characteristic, for example the frequency, of the current supplied to the lamp (L) in operation. The device also includes a feedback control circuit (5) for monitoring the electrical power supplied to the lamp (L) and for generating and supplying to the regulator (4) of the inverter (2) a signal for causing a substantially constant power to be supplied to the lamp (L).

    摘要翻译： 该装置包括具有用于连接到车辆的电池（B）的输入（2a）的逆变器（2）和用于通过点火器（3）连接到灯（L）的输出（2b）。 逆变器（2）包括调节器（4），其适于修改在操作中提供给灯（L）的电流的特性，例如频率。 该装置还包括一个反馈控制电路（5），用于监控提供给灯（L）的电力，并产生并提供给逆变器（2）的调节器（4），该信号使基本上恒定的功率成为 提供给灯（L）。