JPS6173071U

JPS6173071U -

Info

Publication number: JPS6173071U
Application number: JP15891584U
Authority: JP
Priority date: 1984-10-19
Filing date: 1984-10-19
Publication date: 1986-05-17

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の実施例を示し、第１
図は単点電子制御式燃料噴射装置の要部を表した
断面図、第２図は第１図の一部を拡大して表した
断面図、第３図は吸気温センサの検出値と実際の
吸気温との関連を車両の走行あるいは停止状態と
対応させて表した特性図、第４図は異なる実施例
による単点電子制御式燃料噴射装置の要部を表し
た部分断面図、第５図は従来の単点電子制御式燃
料噴射装置を第１図と対応させて表した断面図、
第６図は吸気温センサによつて検出した吸気温度
と燃料の補正係数との関連を表した特性図、第７
図は従来の吸気温センサによる検出値と実際の吸
気温度との関係を車両の走行あるいは停止状況に
対応させて表し特性図である。１…スロツトルボデイ、１ａ…アツパボデイ、
１ｂ…ロアボデイ、３…電子制御式燃料噴射器、
４…電子制御ユニツト（ＥＣＵ）、６…スロツト
ルバルブ、１２…断熱材、１５…吸気通路。 1 to 4 show embodiments of the present invention.
The figure is a cross-sectional view showing the main parts of a single-point electronically controlled fuel injection system, Figure 2 is a cross-sectional view that shows a part of Figure 1 enlarged, and Figure 3 is the detected value of the intake air temperature sensor and the actual value. FIG. 4 is a partial sectional view showing the main parts of a single point electronically controlled fuel injection device according to a different embodiment; FIG. The figure is a cross-sectional view of a conventional single-point electronically controlled fuel injection device, corresponding to Figure 1.
Figure 6 is a characteristic diagram showing the relationship between the intake air temperature detected by the intake air temperature sensor and the fuel correction coefficient.
The figure is a characteristic diagram showing the relationship between the value detected by a conventional intake air temperature sensor and the actual intake air temperature in correspondence with the running or stopped state of the vehicle. 1...Throttle body, 1a...Atsupa body,
1b...lower body, 3...electronically controlled fuel injector,
4...Electronic control unit (ECU), 6...Throttle valve, 12...Insulating material, 15...Intake passage.

Claims

[Scope of utility model registration request]

It is divided into an atsupa body and a lower body,
and a throttle body having an intake passage to the internal combustion engine therein, an electronically controlled fuel injector assembled to the throttle body so as to open into the intake passage and inject pressurized fuel, and the lower body. a throttle valve provided to open and close the intake passage in accordance with the operating conditions of the internal combustion engine; and an electronic control unit that detects the operating state of the internal combustion engine and controls the fuel injection amount of the fuel injector based on an electrical signal based on the operating state of the internal combustion engine. A single point electronically controlled fuel injection device comprising: a heat insulating material is interposed at the joint between the upper body and the lower body, and the electronic control unit is attached to a part of the upper body. Single-point electronically controlled fuel injection system.