JPH0392542U - - Google Patents

Info

Publication number
JPH0392542U
JPH0392542U JP1990001258U JP125890U JPH0392542U JP H0392542 U JPH0392542 U JP H0392542U JP 1990001258 U JP1990001258 U JP 1990001258U JP 125890 U JP125890 U JP 125890U JP H0392542 U JPH0392542 U JP H0392542U
Authority
JP
Japan
Prior art keywords
load
current flowing
switch circuit
loads
abnormality
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1990001258U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990001258U priority Critical patent/JPH0392542U/ja
Priority to US07/640,461 priority patent/US5172588A/en
Publication of JPH0392542U publication Critical patent/JPH0392542U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating or supervising devices

Description

【図面の簡単な説明】
第１図はこの考案の請求項(1)の一実施例を示
す回路図、第２図はこの考案の請求項(1)の実施
例の動作を示す信号の波形図、第３図はこの考案
の請求項(1)の動作を示すフローチヤート図、第
４図はこの考案の請求項(2)の一実施例を示す回
路図、第５図は従来の負荷異常検出装置を示す回
路図、第６図は従来の負荷異常検出装置の動作を
示す信号の波形図である。 図において、１……駆動装置、２……トランジ
スタ、３……インジエクタ、４Ａ，４Ｂ……異常
判定処理回路、５……インジエクタ、６……抵抗
である。なお、各図中、同一符号は同一又は相当
部分を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 並列に接続された複数の負荷に流れる電流
    のＯＮ／ＯＦＦを行う上記複数の負荷に接続され
    たスイツチ回路、及び上記スイツチ回路に流れる
    電流の大きさに基づいて上記複数の負荷の異常を
    検出する異常判定処理回路を備えたことを特徴と
    する負荷異常検出装置。 (2) 負荷に流れる電流のＯＮ／ＯＦＦを行う上
    記負荷に接続されたスイツチ回路、及び上記スイ
    ツチ回路に流れる電流の大きさに基づいて上記負
    荷の異常を検出する異常判定処理回路を備えたこ
    とを特徴とする負荷異常検出装置。
JP1990001258U 1990-01-12 1990-01-12 Pending JPH0392542U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1990001258U JPH0392542U (ja) 1990-01-12 1990-01-12
US07/640,461 US5172588A (en) 1990-01-12 1991-01-11 Device for detecting an occurrence of abnormal condition in a load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990001258U JPH0392542U (ja) 1990-01-12 1990-01-12

Publications (1)

Publication Number Publication Date
JPH0392542U true JPH0392542U (ja) 1991-09-20

Family

ID=11496436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990001258U Pending JPH0392542U (ja) 1990-01-12 1990-01-12

Country Status (2)

Country Link
US (1) US5172588A (ja)
JP (1) JPH0392542U (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005609B4 (de) * 1990-02-22 2004-04-29 Robert Bosch Gmbh Verfahren und Vorrichtung zur Funktionsüberwachung eines elektrischen Verbrauchers
US5469825A (en) * 1994-09-19 1995-11-28 Chrysler Corporation Fuel injector failure detection circuit
JPH08210168A (ja) * 1995-02-02 1996-08-20 Sanshin Ind Co Ltd エンジンの運転制御装置
EP1556708A1 (en) * 2002-11-01 2005-07-27 Snap-on Technologies, Inc. Method and apparatus for diagnosis injectors
US6754604B2 (en) 2002-11-01 2004-06-22 Snap-On Incorporated Method and apparatus for diagnosing fuel injectors
US7856867B2 (en) * 2009-02-06 2010-12-28 Gm Global Technology Operations, Inc. Injector control performance diagnostic systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2231630A1 (de) * 1972-06-28 1974-01-17 Volkswagenwerk Ag Verfahren und einrichtung zur funktionspruefung eines elektromagnetischen ventils, insbesondere eines kraftstoff-einspritzventils
EP0126846B1 (de) * 1983-04-21 1990-08-01 WABCO Westinghouse Fahrzeugbremsen GmbH Induktiver Sensor
JPH0772707B2 (ja) * 1986-04-03 1995-08-02 日産自動車株式会社 信号記憶装置
US4875452A (en) * 1987-07-06 1989-10-24 Mitsubishi Denki Kabushiki Kaisha Fuel control apparatus for an internal combustion engine
US4932246A (en) * 1989-02-22 1990-06-12 Motorola, Inc. Diagnostic fault test system and circuit
US4941348A (en) * 1989-03-28 1990-07-17 Jabil Circuit Company Electromotive sensor
US4989150A (en) * 1990-02-23 1991-01-29 Fuji Jukogyo Kabushiki Kaisha Injector diagnosis system

Also Published As

Publication number Publication date
US5172588A (en) 1992-12-22

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