JPS6070747U

JPS6070747U - Injection timing detection device for distributed fuel injection pump

Info

Publication number: JPS6070747U
Application number: JP16422483U
Authority: JP
Inventors: 稲垣　隆文; 笹岡　博; 宮城　秀夫; 文明小林; 嘉康伊藤
Original assignee: トヨタ自動車株式会社
Priority date: 1983-10-24
Filing date: 1983-10-24
Publication date: 1985-05-18
Also published as: JPH0310361Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、従来の電磁弁スピル式分配型燃料噴射ポンプ
の構成を示す断面図、第２図は、第１図の■−■線に沿
う横断面図、第３図は、本考案に係る噴射時期検出装置
の実施例が配設された、電磁弁スピル式分配型燃料噴射
ポンプの構成を示す断面図、第４図は、前記実施例にお
ける、回転及び基準位置センサ又は噴射開始センサの配
設状態を示す正面図、第５図は、同じく側面図、第６図
は、前記実施例の各部信号波形の例を示す線図である。１０・・・・・・分配型燃料噴射ポンプ、１２・・・・
・・駆動軸、１４・・・・・・プランジャ、１６・・・
・・・ローラリング、１８・・・・・田−ラ、２０・・
・・・・カムプレート、２２・・・・・・ポンプハウジ
ング、２４・・・・・・タイマピストン、２６・・・・
・・スライドピン、６０・・・・・・ロータ、６２・・
・・・・回転及び基準位置センサ、６４・・・・・・噴
射開始センサ。Fig. 1 is a sectional view showing the configuration of a conventional electromagnetic valve spill type distribution fuel injection pump, Fig. 2 is a cross sectional view taken along the line ■-■ in Fig. FIG. 4 is a sectional view showing the configuration of a solenoid valve spill type distribution type fuel injection pump in which an embodiment of the injection timing detection device is installed, and FIG. FIG. 5 is a front view showing the arrangement state, FIG. 5 is a side view, and FIG. 6 is a diagram showing examples of signal waveforms of each part of the embodiment. 10... Distribution type fuel injection pump, 12...
...Drive shaft, 14...Plunger, 16...
...roller ring, 18...tara, 20...
...Cam plate, 22...Pump housing, 24...Timer piston, 26...
...Slide pin, 60...Rotor, 62...
... Rotation and reference position sensor, 64 ... Injection start sensor.

Claims

[Scope of utility model registration request]

A conversion member for converting rotational movement of a drive shaft into reciprocating movement of a fuel pumping plunger, and control of fuel injection timing by rotationally displacing the conversion member within the pump housing relative to the drive shaft. In the non-distributed fuel injection pump, a signal generating section is provided on the outer periphery of the drive shaft or a shaft that rotates in synchronization with the drive shaft according to the number of cylinders. rotor and
disposed near the outer periphery of the rotor of the pump housing;
a reference position sensor for detecting a reference position from the approach of the signal generating section; and an injection start disposed near the outer periphery of the rotor of the conversion member for detecting the start of fuel injection from the approach of the signal generating section. An injection timing detection device for a distribution type fuel injection pump, characterized in that an injection timing detection device for a distribution type fuel injection pump is provided with a sensor and detects an advance angle of the injection timing based on a phase difference between the output of the reference position sensor and the output of the injection start sensor.