Embodiments of a pinch valve assembly include a controller, where the controller is preprogrammed with a plurality of selectable modes including a step and direction mode, a flow monitoring mode, a flow and fill mode, and an unclog mode, and an actuator assembly, the actuator assembly being controll
Embodiments of a pinch valve assembly include a controller, where the controller is preprogrammed with a plurality of selectable modes including a step and direction mode, a flow monitoring mode, a flow and fill mode, and an unclog mode, and an actuator assembly, the actuator assembly being controlled by the controller, an actuator, the actuator being actuated by the actuator assembly, a piston, the piston being coupled with the actuator, a valve body, the valve body being coupled with the actuator assembly, and an aperture, the aperture being formed in the valve body, wherein the aperture is configured to retain at least a portion of tubing such that fluid or gas flow within the tubing can be metered.
대표청구항▼
1. A pinch valve assembly comprising: a. a controller, wherein the controller is preprogrammed with a plurality of selectable modes including; i. a step and direction mode;ii. a flow monitoring mode;iii. a flow and fill mode; andiv. an unclog mode; andb. an actuator assembly, the actuator assembly b
1. A pinch valve assembly comprising: a. a controller, wherein the controller is preprogrammed with a plurality of selectable modes including; i. a step and direction mode;ii. a flow monitoring mode;iii. a flow and fill mode; andiv. an unclog mode; andb. an actuator assembly, the actuator assembly being coupled to the controller such that the actuator assembly is controlled by the controller;c. an actuator, the actuator being actuated by the actuator assembly such that the actuator travels in a plurality of incremental steps in a first direction and a second direction in response to the plurality of selectable modes;d. a piston, the piston being coupled with the actuator such that relative movement of the actuator is transferred to the piston;e. a valve body, the valve body being coupled with the actuator assembly, wherein the piston travels in the first direction and the second direction within a bore defined by the valve body; andf. an aperture, the aperture being formed in the valve body, wherein the aperture is configured to retain at least a portion of tubing such that fluid or gas flow within the tubing can be metered. 2. The pinch valve assembly of claim 1, wherein the actuator is non-back drivable. 3. The pinch valve assembly of claim 1, wherein the plurality of incremental linear steps are 0.0005 inches in the first direction and the second direction. 4. The pinch valve assembly of claim 1, wherein the plurality of incremental linear steps are from 0.001 inches to 0.0005 inches in the first direction and the second direction. 5. The pinch valve assembly of claim 1, wherein the plurality of incremental linear steps are from 0.002 inches to 0.004 inches in the first direction and the second direction. 6. The pinch valve assembly of claim 1, wherein the plurality of incremental linear steps are from 0.005 inches to 0.0005 inches in the first direction and the second direction. 7. The pinch valve assembly of claim 1, wherein the piston is only moveable when the piston is energized. 8. The pinch valve assembly of claim 1, wherein the controller is operably configured to receive a step count and a direction of rotation in the step and direction mode. 9. The pinch valve assembly of claim 1, wherein the controller is operably configured to receive a target flow rate input and a flow monitoring frequency in the flow monitoring mode. 10. The pinch valve assembly of claim 1, wherein the controller is operably configured to receive an optimal instantaneous flow rate and a volumetric flow target in the flow and fill mode. 11. A pinch valve assembly comprising: a. a controller, wherein the controller is preprogrammed with a plurality of selectable modes selected from the group consisting a step and direction mode, a flow monitoring mode, a flow and fill mode, and an unclog mode;b. an actuator assembly, the actuator assembly being coupled to the controller such that actuator assembly is controlled by the controller;c. an actuator, the actuator being actuated by the actuator assembly such that the actuator travels in a plurality of incremental linear steps in a first direction and a second direction;d. a piston, the piston being coupled with the actuator such that relative movement of the actuator is transferred to the piston, wherein the piston includes a projection;e. a valve body, the valve body being coupled with the actuator assembly, wherein the piston travels in the first direction and the second direction within a bore defined by the valve body;f. a slotted aperture, the slotted aperture being formed in a lower portion of the valve body and having a slotted portion and a substantially annular portion, wherein the substantially annular portion is configured to retain tubing; andg. a dowel pin, the dowel pin being inserted into the valve body, wherein the projection of the piston and the dowel pin cooperate to pinch the tubing therebetween such that flow within the tubing can be metered by the controller in accordance with the plurality of selectable modes. 12. The pinch valve assembly of claim 11, wherein the plurality of incremental linear steps are 0.0005 inches to 0.002 inches in the first direction and the second direction. 13. The pinch valve assembly of claim 11, wherein the plurality of incremental linear steps are from 0.001 inches to 0.0005 inches in the first direction and the second direction. 14. The pinch valve assembly of claim 11, wherein the plurality of incremental linear steps are from 0.002 inches to 0.004 inches in the first direction and the second direction. 15. The pinch valve assembly of claim 11, wherein the plurality of incremental linear steps are from 0.005 inches to 0.0005 inches in the first direction and the second direction. 16. The pinch valve assembly of claim 11, wherein the piston is only moveable when the piston is energized. 17. The pinch valve assembly of claim 11, wherein the controller is operably configured to receive a step count and a direction of rotation in the step and direction mode. 18. The pinch valve assembly of claim 11, wherein the controller is operably configured to receive a target flow rate input and a flow monitoring frequency in the flow monitoring mode. 19. The pinch valve assembly of claim 11, wherein the controller is operably configured to receive an optimal instantaneous flow rate and a volumetric flow target in the flow and fill mode.
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이 특허에 인용된 특허 (12)
Anfindsen Ole A. (P.O. Box 30 N-4301 ; Sandnes NOX), Adjustable control valve for flow regulation of gas or liquid and use of such valve.
Hennessy James W. (Trumbull CT) Angel Henry R. (Fairfield CT) Carlson Richard A. (Meriden CT), Count accuracy control means for a blood analyses system.
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