JPS5287531A - Apparatus for making diagnosis of operation of secondary valve of cabu retor - Google Patents

Apparatus for making diagnosis of operation of secondary valve of cabu retor

Info

Publication number
JPS5287531A
JPS5287531A JP414176A JP414176A JPS5287531A JP S5287531 A JPS5287531 A JP S5287531A JP 414176 A JP414176 A JP 414176A JP 414176 A JP414176 A JP 414176A JP S5287531 A JPS5287531 A JP S5287531A
Authority
JP
Japan
Prior art keywords
secondary valve
cabu
retor
making diagnosis
diagnosis
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
JP414176A
Other languages
Japanese (ja)
Inventor
Naoya Seki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP414176A priority Critical patent/JPS5287531A/en
Publication of JPS5287531A publication Critical patent/JPS5287531A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: The variation of the intake negative pressure is electrically processed by utilizing the phenomenon in which the variation of the intake negative pressure in the fixed engine driving condition represents the different aspects between in the operation and in the inoperativeness of the secondary valve, and the diagnosis of the right and wrong of the operation of the secondary valve is made in high accuracy.
COPYRIGHT: (C)1977,JPO&Japio
JP414176A 1976-01-19 1976-01-19 Apparatus for making diagnosis of operation of secondary valve of cabu retor Pending JPS5287531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP414176A JPS5287531A (en) 1976-01-19 1976-01-19 Apparatus for making diagnosis of operation of secondary valve of cabu retor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP414176A JPS5287531A (en) 1976-01-19 1976-01-19 Apparatus for making diagnosis of operation of secondary valve of cabu retor

Publications (1)

Publication Number Publication Date
JPS5287531A true JPS5287531A (en) 1977-07-21

Family

ID=11576489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP414176A Pending JPS5287531A (en) 1976-01-19 1976-01-19 Apparatus for making diagnosis of operation of secondary valve of cabu retor

Country Status (1)

Country Link
JP (1) JPS5287531A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870041A (en) * 1981-09-30 1983-04-26 ソシエテ・アンデユストリエル・ドウ・ブルヴエ・エ・デチユ−ドウ・エス・イ−・ベ−・ウ− Method and device for investigating degree of abrasion of relatively movable member of carburetor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870041A (en) * 1981-09-30 1983-04-26 ソシエテ・アンデユストリエル・ドウ・ブルヴエ・エ・デチユ−ドウ・エス・イ−・ベ−・ウ− Method and device for investigating degree of abrasion of relatively movable member of carburetor
JPH0341674B2 (en) * 1981-09-30 1991-06-24

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