Disposable spirometer with plastic injection moulded turbine

Details Disposable spirometer with plastic injection moulded turbine Disposable spirometer with plastic injection moulded turbine

2004-02-18

2009-11-17

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Combined

C415S915000, C073S861890, C600S539000

Reexamination Certificate

active

07618235

ABSTRACT:
A small dimension throwaway turbine device for checking the breathing flux, to be used in spirometric instruments, allowing an extreme simplification in project and realization, and comprises a turbo-turbine (4) with an inlet deflector (1) and an outlet deflector (3), and a single-piece mobile equipment comprising a blade (2) and a rotation axis (5), realized out of one single raw material.

REFERENCES:
patent: 4733570 (1988-03-01), Peters
patent: 5732709 (1998-03-01), Tacklind et al.
patent: 0 369 506 (1990-05-01), None

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