Title:
AIR FLOW RATE MEASURING DEVICE
Document Type and Number:
Japanese Patent JP2002090194
Kind Code:
A
Abstract:
To provide an air flow rate measuring device having a high level of safety.
The air flow rate measuring device comprises a hole provided on a part of a body constituting a main passage for making intake air to flow and a circuit module part inserted into the body hole in which a heating resistor, a temperature sensing resistor, an electronic circuit and sub-passage constituting members are integrated, wherein a stopper for preventing falling of the sub- passage constituting members is provided in the hole for inserting the circuit module.
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Inventors:
KADOHIRO TAKASHI
TSUMAGARI MAMORU
IGARASHI SHINYA
KOBAYASHI CHIHIRO
TSUMAGARI MAMORU
IGARASHI SHINYA
KOBAYASHI CHIHIRO
Application Number:
JP2001218928A
Publication Date:
March 27, 2002
Filing Date:
May 31, 1995
Export Citation:
Assignee:
HITACHI LTD
HITACHI CAR ENG CO LTD
HITACHI CAR ENG CO LTD
International Classes:
G01F1/684; F02D35/00; (IPC1-7): G01F1/684; F02D35/00
Attorney, Agent or Firm:
Sakuta Yasuo