Fluid handling – Processes
Patent
1997-04-02
1998-11-03
Lee, Kevin
Fluid handling
Processes
251212, F16K 303
Patent
active
058294643
ABSTRACT:
A regulation device and method for regulating an air flow, a gas flow or an equivalent medium flow in which slats can be moved to form an adjustable flow passage in their interior and have lateral edges overlapping each other. The cross-sectional flow area of the flow passage defined by the slats in their interior is adjustable by displacing the slats. A wire is passed around the slats and is displaceable so as to displace the slats and thus regulate the flow passing through the flow passage defined by the slats.
REFERENCES:
patent: 2094707 (1937-10-01), Jones
patent: 2934966 (1960-05-01), Wood
patent: 4095514 (1978-06-01), Roy et al.
patent: 4163726 (1979-08-01), Wilson et al.
patent: 4190085 (1980-02-01), Hasa et al.
patent: 5449141 (1995-09-01), Gillett et al.
Aalto Arvo
Laurikainen Jouni
Livtchak Andrei
Parkkila Raimo
Halton Oy
Lee Kevin
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