JPH0317522U - - Google Patents

Info

Publication number
JPH0317522U
JPH0317522U JP7934989U JP7934989U JPH0317522U JP H0317522 U JPH0317522 U JP H0317522U JP 7934989 U JP7934989 U JP 7934989U JP 7934989 U JP7934989 U JP 7934989U JP H0317522 U JPH0317522 U JP H0317522U
Authority
JP
Japan
Prior art keywords
resistor
comparator
oil
resistance value
sensor
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
JP7934989U
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 JP7934989U priority Critical patent/JPH0317522U/ja
Priority to US07/542,984 priority patent/US5053745A/en
Priority to DE69012672T priority patent/DE69012672T2/de
Priority to EP90112061A priority patent/EP0405414B1/en
Publication of JPH0317522U publication Critical patent/JPH0317522U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Description

【図面の簡単な説明】
第１図〜第４図は本考案の一実施例を示し、第
１図は潤滑油不足検出手段の回路図、第２図は点
火駆動手段の回路図、第３図はオイルセンサの組
付け状態を示す概略図、第４図は接続点Ｐ１，Ｐ
２で計測した電位の温度変化に対する特性図、第
５図は潤滑油の抵抗値の温度特性図である。 １……オイルパン、２……オイルセンサ、２ａ
，２ｃ……電極、３……抵抗値検出型温度センサ
、５ａ……電源回路、５ｃ……警報駆動手段、Ｏ
Ｐ１……比較器、Ｒ２，Ｒ３，Ｒ４……抵抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 オイルセンサの互いに対峙する電極をオイルパ
    ン内に臨ませ、 かつこの電極を抵抗を介して電源回路に接続し
    、 また負の温度特性を有する抵抗値検出型温度セ
    ンサを上記電源回路に他の抵抗を介して接続し、 さらに上記オイルセンサの一方の電極と上記抵
    抗との間に比較器の一方の入力端子を分圧接続し
    、また上記抵抗値検出型温度センサと上記他の抵
    抗との間に上記比較器の他方の入力端子を分圧接
    続し、 上記比較器の出力端子を警報駆動手段に接続し
    たことを特徴とするエンジンの潤滑油不足検出装
    置。
JP7934989U 1989-06-26 1989-07-04 Pending JPH0317522U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7934989U JPH0317522U (ja) 1989-07-04 1989-07-04
US07/542,984 US5053745A (en) 1989-06-26 1990-06-25 Apparatus for warning of engine oil abnormality
DE69012672T DE69012672T2 (de) 1989-06-26 1990-06-25 Alarmvorrichtung für unerwünschte Bedingungen einer Maschine.
EP90112061A EP0405414B1 (en) 1989-06-26 1990-06-25 Apparatus for warning abnormality of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7934989U JPH0317522U (ja) 1989-07-04 1989-07-04

Publications (1)

Publication Number Publication Date
JPH0317522U true JPH0317522U (ja) 1991-02-21

Family

ID=31623429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7934989U Pending JPH0317522U (ja) 1989-06-26 1989-07-04

Country Status (1)

Country Link
JP (1) JPH0317522U (ja)

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