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US 2026/0160338 A1Published application
Flow control apparatus
AssigneeASM IP Holding B.V.
InventorQichao Hu
Life of this patent
Estimating the term…
Abstract
A valve assembly comprising: a valve housing operable to couple to a conduit including a restrictor collar centrally disposed within a recess of a valve housing, the restrictor collar comprising an aperture having a first diameter less than a second diameter of a channel within the conduit, wherein a fluid can be transmitted through the aperture of the restrictor collar; and a flapper rotatable relative to the valve housing between an opened position wherein flow through the orifice is at a maximum, and a closed position wherein flow through the aperture is at a minimum.
Claims14
A valve assembly comprising:
- a valve housing operable to couple to a conduit including a restrictor collar centrally disposed within a recess of the valve housing, the restrictor collar comprising an aperture having a first diameter less than a second diameter of a channel within the conduit, wherein a fluid can be transmitted through the aperture of the restrictor collar;
- and
- a flapper rotatable relative to the valve housing between an opened position wherein flow through the aperture is at a maximum, and a closed position wherein flow through the aperture is at a minimum.
A valve assembly comprising:
- a valve housing operable to couple to a conduit including a first flapper disposed within a recess of the valve housing, the first flapper comprising an aperture;
- and
- a second flapper, wherein the first flapper and the second flapper are rotatable relative to the valve housing between an opened position and a closed position.
Dependencies are inferred from the claim text.