The present invention provides a cartridge assembly for a faucet that provides improved flow rate, flow modulation, and particulate passage.
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1. A cartridge assembly for a faucet, the cartridge assembly comprising: a cartridge shell, the cartridge shell including a first end and a second end, the cartridge shell having an exterior surface, the cartridge shell having an interior, the cartridge shell including a pair of openings extending f
1. A cartridge assembly for a faucet, the cartridge assembly comprising: a cartridge shell, the cartridge shell including a first end and a second end, the cartridge shell having an exterior surface, the cartridge shell having an interior, the cartridge shell including a pair of openings extending from the interior through the exterior surface between the first end and the second end;a stem, the stem operable to be at least partially disposed within the cartridge shell;a moveable disk, the moveable disk operable to be disposed within the cartridge shell, the moveable disk including a top side and a bottom side, the moveable disk further including a pair of openings extending from the top side through the bottom side, the openings in the moveable disk being symmetrical across a center line of the openings; anda fixed disk, the fixed disk operable to be disposed within the cartridge shell, the fixed disk including a top side and a bottom side, the fixed disk further including a pair of openings extending from the top side through the bottom side, the openings in the fixed disk being symmetrical across a center line of the openings;wherein the stem is operable to be connected to the moveable disk so that rotation of the stem causes rotation of the moveable disk;wherein the bottom side of the moveable disk is operable to abut the top side of the fixed disk;wherein flow through the cartridge assembly flows through the openings in the fixed disk and through the openings in the moveable disk and exits through the openings in the cartridge shell;wherein the openings in the moveable disk and the openings in the fixed disk are configured so that there are two zones of control, a first zone is from an open position at a stem rotation of approximately fifteen degrees to an open position at a stem rotation of approximately forty-five degrees and a second zone is from the open position at the stem rotation of approximately forty-five degrees to an open position at a stem rotation of approximately seventy-five degrees;wherein a flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately six-tenths gallons per minute for each stem rotation of approximately five degrees; andwherein an average flow rate through the cartridge assembly, at three bars of flowing pressure, in the second zone, for each stem rotation of approximately five degrees, is at least one-hundred seventy-five percent of an average flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, for each stem rotation of approximately five degrees. 2. The cartridge assembly of claim 1, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately five-tenths gallons per minute for each stem rotation of approximately five degrees. 3. The cartridge assembly of claim 1, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately four-tenths gallons per minute for each stem rotation of approximately five degrees. 4. The cartridge assembly of claim 1, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately four gallons per minute. 5. The cartridge assembly of claim 1, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately three gallons per minute. 6. A cartridge assembly for a faucet, the cartridge assembly comprising: a cartridge shell, the cartridge shell including a first end and a second end, the cartridge shell having an exterior surface, the cartridge shell having an interior, the cartridge shell including a pair of openings extending from the interior through the exterior surface between the first end and the second end;a stem, the stem operable to be at least partially disposed within the cartridge shell;a moveable disk, the moveable disk operable to be disposed within the cartridge shell, the moveable disk including a top side and a bottom side, the moveable disk further including a pair of openings extending from the top side through the bottom side, the openings in the moveable disk being symmetrical across a center line of the openings; anda fixed disk, the fixed disk operable to be disposed within the cartridge shell, the fixed disk including a top side and a bottom side, the fixed disk further including a pair of openings extending from the top side through the bottom side, the openings in the fixed disk being symmetrical across a center line of the openings;wherein the stem is operable to be connected to the moveable disk so that rotation of the stem causes rotation of the moveable disk;wherein the bottom side of the moveable disk is operable to abut the top side of the fixed disk;wherein flow through the cartridge assembly flows through the openings in the fixed disk and through the openings in the moveable disk and exits through the openings in the cartridge shell;wherein the openings in the moveable disk and the openings in the fixed disk are configured so that there are two zones of control, a first zone is from an open position at a stem rotation of approximately fifteen degrees to an open position at a stem rotation of approximately forty-five degrees and a second zone is from the open position at the stem rotation of approximately forty-five degrees to an open position at a stem rotation of approximately seventy-five degrees;wherein a flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately six-tenths gallons per minute for each stem rotation of approximately five degrees; andwherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately six-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees. 7. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately five-tenths gallons per minute for each stem rotation of approximately five degrees. 8. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately four-tenths gallons per minute for each stem rotation of approximately five degrees. 9. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately four gallons per minute. 10. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately three gallons per minute. 11. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately seven-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees. 12. The cartridge assembly of claim 6, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately eight-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees. 13. A cartridge assembly for a faucet, the cartridge assembly comprising: a cartridge shell, the cartridge shell including a first end and a second end, the cartridge shell having an exterior surface, the cartridge shell having an interior, the cartridge shell including a pair of openings extending from the interior through the exterior surface between the first end and the second end;a stem, the stem operable to be at least partially disposed within the cartridge shell;a moveable disk, the moveable disk operable to be disposed within the cartridge shell, the moveable disk including a top side and a bottom side, the moveable disk further including a pair of openings extending from the top side through the bottom side, the openings in the moveable disk being symmetrical across a center line of the openings; anda fixed disk, the fixed disk operable to be disposed within the cartridge shell, the fixed disk including a top side and a bottom side, the fixed disk further including a pair of openings extending from the top side through the bottom side, the openings in the fixed disk being symmetrical across a center line of the openings;wherein the stem is operable to be connected to the moveable disk so that rotation of the stem causes rotation of the moveable disk;wherein the bottom side of the moveable disk is operable to abut the top side of the fixed disk;wherein flow through the cartridge assembly flows through the openings in the fixed disk and through the openings in the moveable disk and exits through the openings in the cartridge shell;wherein the openings in the moveable disk and the openings in the fixed disk are configured so that there are two zones of control, a first zone is from an open position at a stem rotation of approximately fifteen degrees to an open position at a stem rotation of approximately forty-five degrees and a second zone is from the open position at the stem rotation of approximately forty-five degrees to an open position at a stem rotation of approximately seventy-five degrees;wherein a flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately six-tenths gallons per minute for each stem rotation of approximately five degrees;wherein an average flow rate through the cartridge assembly, at three bars of flowing pressure, in the second zone, for each stem rotation of approximately five degrees, is at least one-hundred seventy-five percent of an average flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, for each stem rotation of approximately five degrees; andwherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately six-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees. 14. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately five-tenths gallons per minute for each stem rotation of approximately five degrees. 15. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, in the first zone, increases at an average of less than approximately four-tenths gallons per minute for each stem rotation of approximately five degrees. 16. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately four gallons per minute. 17. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that the flow rate through the cartridge assembly, at three bars of flowing pressure, at the open position at the stem rotation of approximately forty-five degrees, is less than approximately three gallons per minute. 18. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately seven-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees. 19. The cartridge assembly of claim 13, wherein the openings in the moveable disk and the openings in the fixed disk are configured so that particulate in the shape of a circular ball, having a diameter of approximately eight-hundredths inch, can pass through the cartridge assembly when the stem is in a completely open position at a stem rotation of approximately ninety degrees.
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Clerc Daniel (Le Perreux FRX), Ceramic discs for taps and taps equipped with such discs.
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