A check valve including a cylindrical valve well defining a chamber, a valve disk, a pin centrally connecting the valve well to the valve disk; the valve disk being axially symmetrically positioned with respect to the valve well. The valve disk forms a fluid seal with an annular rim of the valve wel
A check valve including a cylindrical valve well defining a chamber, a valve disk, a pin centrally connecting the valve well to the valve disk; the valve disk being axially symmetrically positioned with respect to the valve well. The valve disk forms a fluid seal with an annular rim of the valve well when a first pressure acting on the valve disk is greater that a opposing second pressure within the chamber. The check valve further includes a plurality of vanes disposed within the chamber, where the vanes prevent the valve disk from collapsing into the chamber due to an excessive first pressure on the valve disk.
대표청구항▼
1. A check valve, comprising: a cylindrical valve well having an internal wall and an internal floor which in combination defines a chamber;a circular valve disk;a pin, centrally disposed and connecting the valve well to the valve disk; the valve disk being axially symmetrically positioned with resp
1. A check valve, comprising: a cylindrical valve well having an internal wall and an internal floor which in combination defines a chamber;a circular valve disk;a pin, centrally disposed and connecting the valve well to the valve disk; the valve disk being axially symmetrically positioned with respect to the valve well;the valve disk forming a fluid seal with an annular rim of the valve well when a first pressure acting on the valve disk is greater than an opposing second pressure within the chamber;a plurality of vanes disposed within the chamber, each vane extending radially from the internal wall partially into and freely ending within the chamber towards a center of the chamber without contacting any portion of the check valve disposed within a center of the check valve, each vane extending upwards from the internal floor partially into the chamber,wherein the plurality of vanes is to prevent at least a portion of the valve disk from collapsing into the chamber due to an excessive first pressure on the valve disk. 2. The check valve of claim 1, wherein the plurality of vanes are substantially spaced out at regular intervals along the circumference of the valve well. 3. The check valve of claim 1, wherein the plurality of vanes provide support to the valve disk from inside the chamber when the valve disk is in a closed position. 4. The check valve of claim 1, wherein the valve disk is formed from a flexible, resiliently deformable material. 5. The check valve of claim 1, wherein the diameter of the valve disk is greater than the diameter of the annular rim. 6. The check valve of claim 1, wherein the plurality of vanes is to prevent an edge of the valve disk from collapsing into the chamber of the check valve. 7. The check valve of claim 1, wherein the plurality of vanes is designed to minimize flexing of the valve disk into the chamber due to an excessive first pressure on the valve disk. 8. A check valve, comprising: a cylindrical valve well having an internal wall and an internal floor, which in combination defines a chamber;a circular valve disk;a pin, centrally disposed and connecting the valve well to the valve disk; the valve disk being axially symmetrically positioned with respect to the valve well;the valve disk forming a fluid seal with an annular rim of the valve well when a first pressure actin on the valve disk is greater than an opposing second pressure within the chamber;a plurality of vanes disposed within the chamber each vane extending radially from the internal wall partially into the chamber towards a center of the chamber, each vane extending upwards from the internal floor partially into the chamber,wherein the plurality of vanes is to prevent at least a portion of the valve disk from collapsing into the chamber due to an excessive first pressure on the valve disk,wherein each vane is a quarter round in shape and has a first flat surface, a second flat surface, a round surface, a first corner, a second corner, and a third corner, the first flat surface adjoining the internal wall, the second flat surface adjoining the internal floor, the round surface within the chamber, the first flat surface and the second flat surface ending at the first corner where the internal wall meets the internal floor, the first flat surface and the round surface ending at the second corner at the internal wall, the second flat surface and the round surface ending at the third corner at the internal floor. 9. The check valve of claim 8, wherein the plurality of vanes provide support to the valve disk from inside the chamber when the valve disk is in a closed position. 10. The check valve of claim 8, wherein the valve disk is formed from a flexible, resiliently deformable material. 11. The check valve of claim 8, wherein the plurality of vanes is to prevent an edge of the valve disk from collapsing into the chamber of the check valve. 12. The check valve of claim 8, wherein the plurality of vanes is designed to minimize flexing of the valve disk into the chamber due to an excessive first pressure on the valve disk.
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이 특허에 인용된 특허 (5)
Smith Mark A, Check valve in an ink pump for an ink-jet printer.
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