Air flow meter

Details Air flow meter Air flow meter

2011-08-09

2011-08-09

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Thermal type

Reexamination Certificate

active

07992435

ABSTRACT:
In a structure in which peripheral part of a diaphragm section of an electrical insulating film is covered with a protective film made of an organic material, the resistor wire on the diaphragm section crosses the peripheral part of the diaphragm section. At a place where a narrow wire of a resistance temperature detector and the like crosses the peripheral part of the diaphragm section, the protective film is thinner than the other part, and the dust impact resistance is reduced. At a place where a heating resistor wire connected to a heating resistor body or resistance temperature detector wires connected to resistance temperature detector bodies cross a periphery of the diaphragm section, a film component protruding from an electrical insulating film is arranged side by side with the heating resistor wire or the resistance temperature detector wires.

REFERENCES:
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patent: 2010/0077851 (2010-04-01), Minamitani et al.
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patent: WO 03/076878 (2003-09-01), None
European Search Report dated Feb. 4, 2010 (Three (3) pages).
Japanese Office Action dated Aug. 3, 2010 and translation thereof (Seven (7) pages).

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