KR960001466A

KR960001466A - Low temperature start-up fuel injector and its method

Info

Publication number: KR960001466A
Application number: KR1019940012993A
Authority: KR
Inventors: 김재관
Original assignee: 전성원; 현대자동차 주식회사
Priority date: 1994-06-09
Filing date: 1994-06-09
Publication date: 1996-01-25

Abstract

냉각되어 있는 엔진의 원활한 시동동작을 실행하기 위해 엔진의 회전동작에 따라 각 설정된 연료량의 분사방법을 가변시켜 원활한 시동동작이 이루어질 수 있도록 하는 저온 시동이 용이한 연료 분사장치 및 그 방법을 제공하기 위하여, 엔진의 회전속도에 따라 출력신호의 상태가 가변되는 엔진 회전수 감지 수단과; 상기 엔진 회전수 감지수단에 연결되어, 시동동작을 위한 연료의 분사방법을 엔진의 회전수에 따라 가변시키기 위한 제어 신호를 출력하는 동작 제어수단과; 상기 동작 제어수단과 연결되어, 동작 제어수단에서 인가되는 제어신호에 따라 동작상태가 가변되어 연료의 분사동작을 실행하는 연료 분사장치부로 이루어져 있다.In order to provide a low temperature starting fuel injector and a method for smooth starting operation by varying the injection method of each set amount of fuel in accordance with the rotation operation of the engine to perform a smooth starting operation of the cooled engine. Engine speed detection means for changing the state of the output signal according to the rotation speed of the engine; Operation control means connected to the engine speed detection means and outputting a control signal for varying a method of injecting fuel for starting operation according to the engine speed; It is connected to the operation control means, the operation state is changed in accordance with a control signal applied from the operation control means is composed of a fuel injector unit for performing the injection operation of the fuel.

Description

Low temperature start-up fuel injector and its method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도의 (가)~(다)는 종래의 시동동작을 위한 연료 분사방법의 동작 타이밍도,(A) to (c) of FIG. 1 is an operation timing diagram of a fuel injection method for a conventional starting operation,

제2도는 이 발명의 실시예에 따른 저온 시동이 용이한 연료 분사장치의 블록도.Figure 2 is a block diagram of a fuel injector easy to start low temperature according to an embodiment of the present invention.

Claims

Engine speed detection means for varying the state of the thrust signal according to the rotation speed of the engine; Operation control means connected to the engine speed detection means and outputting a control signal for varying a method of injecting fuel for the starting operation according to the engine speed; And a fuel injector unit connected to the operation control unit and configured to perform a fuel injection operation by varying an operation state according to a control signal applied from the operation control means.

Reading a signal applied by the rotation speed detection means of the engine; Calculating an injection amount of fuel according to the detected detection signal and the state of the vehicle; Compares whether or not the engine speed determined by the signal applied from the engine speed detection means is greater than or equal to the first preset speed, and injects the fuel set when the engine speed is not greater than the first preset speed using the co-injection method. Outputting a control signal for performing; When the engine speed is greater than or equal to the first set speed, the engine compares whether it is greater than or equal to the second set speed, and when the engine speed is not greater than the second set speed, the calculated fuel is injected using the sequential injection method. Outputting a control signal for performing; When the engine speed is greater than or equal to the second predetermined rotation speed, the control signal for executing the fuel injection operation according to the general injection method in which the fuel injection device operates according to the behavior of the engine for driving operation is outputted. A low temperature starting easy fuel injection method, characterized in that consisting of steps.

※ Note: The disclosure is based on the initial application.