High flow high control valve and assembly
AssigneeFSI International, Inc.
InventorsMichael Volovets, Arne Benson
Life of this patent
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Abstract
A valve and a valve assembly are provided that exhibit both highly controlled metering of fluid, as well as a high volume of fluid flow when the valve is in the fully open position. The regulating portion of the valve is provided with channels having different cross-sectional shapes, or channels having different lengths to provide staged flow. The valve is further provided with a fluid boundary element that is movably operably connected to the valve for mounting the valve to the valve body.
Claims16
A valve for controlling fluid flowing through a valve body during successive strokes of the valve by controlled movement relative to a passage in the valve body, the valve comprising:
- a regulating portion having a tip connected with a valve seat for engaging with a valve body seat to define a closed position of the valve body passage,
- said regulating portion having a plurality of channels formed in an outer circumferential surface thereof, each of said channels defining a greater open area cross-section at a point nearer a tip of the regulating portion than a point nearer the valve seat so that greater flow can be obtained as the regulating portion is controllably moved relative to the valve body passage, at least one of said channels having an open area shape different from the open area shape of at least one other channel at the same cross-section location of the regulating portion, said outer circumferential surface being parallel to the direction of stroke of the valve, and wherein said valve further comprises a fluid boundary element movably operably connected to the valve for mounting the valve to the valve body.
A valve for controlling fluid flowing through a valve body during successive strokes of the valve by controlled movement relative to a passage in the valve body, the valve comprising:
- a regulating portion having a tip connected with a valve seat for engaging with a valve body seat to define a closed position of the valve body passage,
- said regulating portion having a plurality of channels formed in an outer circumferential surface thereof, each of said channels defining a greater open area cross-section at a point nearer a tip of the regulating portion than a point nearer the valve seat so that fluid flowing through a valve body containing the valve can flow in a staged increase in flow as the valve regulating portion is controllably moved relative to the valve body passage, wherein at least one channel extends further toward the seat of the regulating portion than at least one other channel, said outer circumferential surface being parallel to the direction of stroke of the valve, and wherein said valve further comprises a fluid boundary element movably operably connected to the valve for mounting the valve to the valve body.
A valve assembly for controlling fluid flowing through a valve body during successive strokes of a valve by controlled movement relative to a passage in the valve body, comprising:
- a valve body having a fluid transfer housing having a valve body passage disposed therein, a fluid inlet and outlet in communication with the valve body passage, and a valve body seat positioned within the valve body passage between the fluid inlet and outlet;
- a valve actuator housing connected with the fluid transfer housing and having a valve actuator disposed therein;
- a valve attached to the end of the valve actuator and having a regulating portion disposed at least partially within the valve body passage, wherein the valve comprises:
- a regulating portion having a tip connected with a valve seat for engaging with a valve body seat to define a closed position of the valve body passage,
- said regulating portion having a plurality of channels formed in an outer circumferential surface thereof, each of said channels defining a greater open area cross-section at a point nearer a tip of the regulating portion than a point nearer the valve seat so that greater flow can be obtained as the regulating portion is controllably moved relative to the valve body passage, at least one of said channels having an open area shape different from the open area shape of at least one other channel at the same cross-section location of the regulating portion, said outer circumferential surface being parallel to the direction of stroke of the valve, and wherein said valve further comprises a fluid boundary element movably operably connected to the valve and to the valve body to segregate fluid from the valve actuator;
- said regulating portion being sized to form a non-interference fit within the valve passage so that a leak-tight fitting is formed only when the valve seat is in contact with the valve body seat.
Dependencies are inferred from the claim text.