Valves and valve actuation – With material guide or restrictor – Movable or resilient guide or restrictor
Reexamination Certificate
2008-01-29
2008-01-29
Bastianelli, John (Department: 3753)
Valves and valve actuation
With material guide or restrictor
Movable or resilient guide or restrictor
C251S209000
Reexamination Certificate
active
07322559
ABSTRACT:
The invention relates to a valve with high flow resolution within a flow range, which valve comprises a valve housing and a valve plug, whereby the valve plug comprises a cavity and a flow regulating slit which in cooperation with the valve housing forms a flow passage. On the shell surface of the valve plug, when the valve is in a fully open position, there is an area which, relative to the outlet of the valve housing, is situated on the other side of the axis of rotation of the valve plug, which area is free from the cavity. The intersection of the cavity with the shell surface of the valve plug is preferably situated on the one side of the axis of rotation of the valve plug so that the valve plug exhibits a continuous shell surface free from the cavity along at least 180 degrees of the circumference of the valve plug, whereby the flow regulating slit may extend over a substantial portion of the circumference of the valve plug, thereby providing good flow resolution in the flow range in which the flow enters the cavity via the flow regulating slit only.
REFERENCES:
patent: 766697 (1904-08-01), Hummell
patent: 3308850 (1967-03-01), Gill
patent: 3773291 (1973-11-01), Grauer
patent: 4131128 (1978-12-01), Gotzenberger
patent: 4262880 (1981-04-01), Danko et al.
patent: 4699358 (1987-10-01), Iqbal
patent: 4881718 (1989-11-01), Champagne
patent: 5108075 (1992-04-01), Downard et al.
patent: 5349983 (1994-09-01), Ozarowski et al.
patent: 5524863 (1996-06-01), Davis
patent: 5551467 (1996-09-01), Booth et al.
patent: 6109591 (2000-08-01), Tuttle et al.
patent: 6520481 (2003-02-01), Harneit
patent: 6863257 (2005-03-01), Home
patent: 2001/0030309 (2001-10-01), Carlson et al.
patent: 1033981 (1958-07-01), None
patent: 2748734 (1979-10-01), None
patent: 2432122 (1980-02-01), None
Bastianelli John
Ostrolenk Faber Gerb & Soffen, LLP
Scania CV AB ((publ)
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