Measuring and testing – Volume or rate of flow – Expansible chamber
Reexamination Certificate
2005-09-27
2005-09-27
Patel, Harshad (Department: 2855)
Measuring and testing
Volume or rate of flow
Expansible chamber
C073S258000
Reexamination Certificate
active
06948363
ABSTRACT:
A fluid meter (10) has a casing (11) providing a measuring chamber (27) and an inlet (18) and outlet (19) communicating with the measuring chamber (27). A partition (20) in the chamber (27) separating said inlet (18) from said outlet (19). A disc (28, 48) is positioned in the chamber (27) and includes projections (36) or niches (57) which are disposed in an arc relative to a center of the disc (28, 48) and the casing is provided with integrally formed depressions (37) or with projections (56) disposed opposite the projections (36) or niches (57) on the disc (28) to be engaged the disc (28) as the disc (28, 48) is nutated with the result of counteracting forces imposed on said disc (28, 48) by fluid flow.
REFERENCES:
patent: 715564 (1902-12-01), Dupoy
patent: 3289476 (1966-12-01), Brette
Benson Ronald D.
De Jarlais George
Karsten Lee
Badger Meter Inc.
Patel Harshad
Quarles & Brady LLP
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