Title:
AIR/FUEL RATIO DETECTOR
Document Type and Number:
Japanese Patent JP3238645
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an air/fuel ratio detector that can detect an abnormality in air/fuel ratio.
SOLUTION: A lead switch 136, which outputs such signal as represents occurrence of air/fuel ratio abnormality and a displacement sensor 145, which outputs such signal as corresponds to an air/fuel ratio are provided. When an air/fuel abnormality detecting magnet 141 is displaced to a specified position, a signal wherein a lead switch 136 is on, which represents occurrence of air/fuel ratio abnormality, is outputted from the lead switch 136, while a signal wherein the lead switch 136 is OFF, which represents no air/fuel ratio abnormality occurrence, is outputted from the lead switch 136 when the air/fuel abnormality detecting magnet 141 is not displaced to a specified position.
Inventors:
Kazuo Seki
Hiroshi Tokairin
Katsusuke Shimada
Toshiyuki Sato
Takashi Tsumura
Hiroshi Tokairin
Katsusuke Shimada
Toshiyuki Sato
Takashi Tsumura
Application Number:
JP14069397A
Publication Date:
December 17, 2001
Filing Date:
May 29, 1997
Export Citation:
Assignee:
YAMATAKE CORPORATION
International Classes:
G01F5/00; F23N1/02; F23N5/24; F23N5/26; G01F1/00; G01F1/34; (IPC1-7): G01F5/00; F23N1/02; F23N5/24; F23N5/26; G01F1/00; G01F1/34
Domestic Patent References:
| JP58224225A | ||||
| JP61256234A | ||||
| JP6117298Y1 |
Attorney, Agent or Firm:
Hiroaki Tazawa (1 person outside)