Thermal flow sensor supporting element having a gradually increa

Details Thermal flow sensor supporting element having a gradually increa Thermal flow sensor supporting element having a gradually increa

1997-09-22

2000-06-27

Patel, Harshad

Measuring and testing

Volume or rate of flow

Thermal type

7320422, G01F 168

Patent

active

060792647

ABSTRACT:
A flow rate detector has a detection pipe (26) disposed in a fluid channel (21), a supporting member (27) for supporting a thermosensitive flow rate sensor (28) being provided in the detection pipe (26). The supporting member (27) has a sensor holding portion (27a) which has a predetermined width and a broadening portion (27b) which is adjacent to one end of the sensor holding portion (27a) and the width of which gradually increases from the distal end thereof toward the sensor holding portion (27a). The flow rate sensor (28) is built in a side surface of the sensor holding portion (27a) such that it is exposed in the detection pipe (26).

REFERENCES:
patent: 4624138 (1986-11-01), Ono et al.
patent: 4843882 (1989-07-01), Ohta et al.
patent: 4864855 (1989-09-01), Shiraishi et al.
patent: 4981035 (1991-01-01), Hall
patent: 5520047 (1996-05-01), Takahashi et al.
patent: 5631417 (1997-05-01), Harrington et al.
Korean Office Action dated Jul. 26, 1999 with attached English translation of the relevant portions thereof.

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