首页> 外国专利> Circuit arrangement for operating inductive load i.e. solenoid, of fuel injection valve, has protective circuit arranged parallel to capacitor and providing current path to limit voltage at capacitor in case of high voltage at capacitor

Circuit arrangement for operating inductive load i.e. solenoid, of fuel injection valve, has protective circuit arranged parallel to capacitor and providing current path to limit voltage at capacitor in case of high voltage at capacitor

机译：用于操作感性负载的电路装置，即燃料喷射阀的螺线管，具有与电容器并联布置的保护电路，并提供电流路径以限制电容器上的电压（如果电容器上有高压）

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摘要

The arrangement (10) has a direct-current converter (12) comprising an output-sided storage capacitor (C) for providing an operating voltage for an inductive load. A switch arrangement (14) is provided for connection of the load with the capacitor, and recovery diodes (D1, D2) feedback the electrical energy to the capacitor after a switching-off of the switch arrangement. A protective circuit (20) is arranged parallel to the capacitor and provides a current path for limiting the charging voltage at the capacitor in case of high voltage at the capacitor. An independent claim is also included for a method for operating an inductive load i.e. solenoid, of a fuel injection valve of an internal combustion engine.

机译：装置（10）具有直流转换器（12），该直流转换器包括用于为感性负载提供工作电压的输出侧存储电容器（C）。设置有开关装置（14），用于负载与电容器的连接，并且在开关装置断开之后，恢复二极管（D1，D2）将电能反馈到电容器。保护电路（20）平行于电容器布置，并提供电流路径，以在电容器高电压的情况下限制电容器处的充电电压。还包括用于操作内燃机的燃料喷射阀的感应负载即螺线管的方法的独立权利要求。

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公开/公告号DE102007001414B3

专利类型
公开/公告日2008-05-08

原文格式PDF
申请/专利权人 SIEMENS AG;
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申请/专利号DE20071001414
发明设计人 SCHMAUS HARALD;SCHROD WALTER;
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申请日2007-01-09
分类号H03K17/0814;H02H9/04;F02D41/20;F16K31/06;F02M51/06;H02P13;
国家 DE
入库时间 2022-08-21 19:49:29

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