公开(公告)号：KR100394857B1

公开(公告)日：2003-08-19

申请号：KR1020000081021

申请日：2000-12-23

Applicant: 현대자동차주식회사

Inventor： 정재훈

IPC: F02M61/10

Abstract: PURPOSE: An injector for direct injection type diesel engine is provided to promote the mixing of fuel and air and increasing the engine power output by reducing an eddy flux of air on injecting fuel. CONSTITUTION: An injector(500) for direct injection type diesel engine comprises: a solenoid opening unit formed at the inner upper part of a body(510) and comprising a ball member(550), a pilot needle(560), an electromagnet(580) and valve springs(530,570) to open a fuel return passage(515) with a signal from an ECU(800); an injection port(512) formed at the front part of the body to inject the fuel; a fuel pressure accumulating chamber(513) formed to be communicated to a fuel inflow way at the upper end of the injection port to accumulate the fuel inflow pressure; a fuel pressure adjusting chamber(514) formed to be communicated to the fuel inflow way at the lower end of the fuel return passage to adjust the inflow pressure of fuel according to the opening of the fuel return passage; an injection nozzle whose upper end is inserted in the fuel pressure adjusting chamber and lower end is inserted in the fuel pressure accumulating chamber, and which is vertically operated by the operation of a unit for opening and shutting off the solenoid valve to open the injection port; and the valve spring elastically supporting the injection valve.

Abstract translation: 目的：提供一种用于直喷式柴油发动机的喷射器，用于促进燃料和空气的混合，并通过减少喷射燃料时的涡流通量来增加发动机功率输出。 用于直喷式柴油发动机的喷射器（500）包括：形成在主体（510）的内部上部的螺线管开口单元，其包括球形件（550），导向针（560），电磁铁 580）和阀弹簧（530,570），以利用来自ECU（800）的信号打开燃料回流通道（515）; 喷射口（512），其形成在主体的前部以喷射燃料; 燃料压力存储室（513），形成为在喷射口的上端与燃料流入通道连通以积聚燃料流入压力; 燃料压力调节室（514），其形成为在燃料返回通道的下端处连通到燃料流入通道，​​以根据燃料返回通道的开口来调节燃料的流入压力; 其上端插入燃料压力调节室并且其下端插入燃料蓄压室中并且通过用于打开和关闭电磁阀以打开喷射口的单元的操作而竖直操作的喷嘴 ; 并且阀弹簧弹性地支撑喷射阀。

公开(公告)号：KR1020030049226A

公开(公告)日：2003-06-25

申请号：KR1020010079385

申请日：2001-12-14

Applicant: 현대자동차주식회사

Inventor： 정재훈

IPC: F02B37/24

CPC classification number: Y02T10/144

Abstract: PURPOSE: A variable geometry turbo charger of a vehicle is provided to reduce the boost pressure by increasing the open degree of a vane of a variable geometry turbine and to improve responsiveness by reducing the responding time. CONSTITUTION: A pressure control valve(26) is installed in a compressor(18) of a variable geometry turbo charger. The pressure control valve reduces the boost pressure by controlling opening and closing depending on the boost pressure and adjusts the open degree of a vane of a variable geometry turbine(16) by supplying the boost pressure to a vacuum actuator(14) in the open state. Therefore, the overshoot of the boost pressure due to the application of excessive vacuum pressure to the vacuum actuator is prevented.

Abstract translation: 目的：提供车辆的可变几何涡轮增压器，以通过增加可变几何涡轮机的叶片的开度来减小增压压力，并通过减少响应时间来改善响应性。 构成：压力控制阀（26）安装在可变几何涡轮增压器的压缩机（18）中。 压力控制阀通过根据增压压力控制打开和关闭来降低增压压力，并通过向处于打开状态的真空致动器（14）提供增压压力来调节可变几何涡轮机（16）的叶片的开度 。 因此，防止由于向真空致动器施加过大的真空压力而引起的增压压力过冲。

公开(公告)号：KR100288223B1

公开(公告)日：2001-04-16

申请号：KR1019990004599

申请日：1999-02-10

Applicant: 현대자동차주식회사

Inventor： 정재훈

IPC: F01L1/34

Abstract: 본발명은보다넓은운전영역에서밸브타이밍을조정할수 있고, 종래에비해부품수를절감할수 있어제작비용이저렴하고, 그구조를단순화할수 있는내연기관용밸브타이밍조정장치를제공하는데있다. 이러한밸브타이밍조정장치는흡기, 배기캠 샤프트스프로켓과크랭크샤프트스프로켓사이에각각연결된제1 및제2 타이밍벨트의일측에각각설치되어타이밍벨트의위치를변경하여캠 샤프트의위상각을조정하는캠 샤프트위상각조정기구와, 상기흡기측캠 샤프트조정기구에작용하는유압을조정하는제1 및제2 솔레노이드밸브와, 상기배기측캠 샤프트위상각조정가구에작용하는유압을조정하는제3 및제4 솔레노이드밸브와, 엔진회전수에따라상기제1, 제2, 제3, 제4 솔레노이드밸브의작동을제어하는제어수단으로이루어진다.