IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0788443
(2010-05-27)
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등록번호 |
US-8413847
(2013-04-09)
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발명자
/ 주소 |
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출원인 / 주소 |
- Fluid Management Operations LLC
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대리인 / 주소 |
Miller, Matthias & Hull LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
A fluid dispenser is disclosed for dispensing multiple fluids and that includes valve assemblies with rotary recirculation and dispense valves. A table controlled by a motor and a controller moves all of the valve assemblies to either a dispense position or a recirculation position together. The con
A fluid dispenser is disclosed for dispensing multiple fluids and that includes valve assemblies with rotary recirculation and dispense valves. A table controlled by a motor and a controller moves all of the valve assemblies to either a dispense position or a recirculation position together. The controller selectively operates the pump motors associated with individual canisters of fluid so that the system can dispense a single fluid or multiple fluids at a time. When in the recirculation position, the fluids can be continuously, intermittently or periodically recirculated to maintain the fluids in a homogenous state.
대표청구항
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1. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valv
1. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valve assemblies, a plurality of dispense ports and a controller linked to at least the table motor and each pump motor;each canister in communication with its assigned pump, each pump in communication with an inlet of its assigned valve assembly, each pump being linked to its assigned pump motor;the table coupled to the plurality of valve assemblies, when the table is rotated to the dispense position, the table moves each valve assembly to provide communication between its assigned canister and its assigned dispense port, when the table is rotated to the recirculation position, the table moves each valve assembly to provide communication between its respective pump and its respective canister. 2. The dispenser of claim 1 wherein the controller selectively controls activation of the pump motors so that, in the dispense position, a single fluid may be dispensed if the controller activates only a single pump motor or multiple fluids may be dispensed if the controller activates multiple pump motors. 3. The dispenser of claim 1 wherein each valve assembly comprises a valve housing comprising an inlet in communication with its respective pump and a recirculation outlet in communication with its respective canister, each valve housing accommodating a valve body comprising a first end connected to a handle and a second end comprising a dispense passageway that provides communication between the inlet of its associated valve assembly and its associated dispense port when the table and valve assemblies are in the dispense position, the valve body further comprising a recirculation slot that provides communication between the inlet and the recirculation outlet of its respective valve housing when the table and valve assemblies are in the recirculation position. 4. The dispenser of claim 3 wherein each handle is connected to a shaft, each shaft is received in a slots disposed in the table, rotation of the table between the dispense and recirculation positions causing each shaft and handle to move each valve body between the dispense and recirculation positions. 5. The dispenser of claim 1 further comprising a first sensor for sensing when the table is in the dispense position. 6. The dispenser of claim 5 wherein the first sensor is linked to the controller which activates one or more pump motors when the table is in the dispense position. 7. The dispenser of claim 1 further comprising a second sensor for sensing when the table is in the recirculation position. 8. The dispenser of claim 7 wherein the second sensor is linked to the controller which periodically activates one for more pump motors when the table is in the recirculation position. 9. The dispenser of claim 1 wherein the table comprises a plurality of radial slots, each slot accommodating a shaft connected to a valve assembly and rotation of the table between the dispense and recirculation positions causes each shaft to move its respective valve assembly between the dispense and recirculation positions. 10. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valve assemblies, a plurality of dispense ports and a controller linked to at least the table motor and each pump motor;each canister in communication with its assigned pump, each pump in communication with an inlet of its assigned valve assembly, each pump being linked to its assigned pump motor;the table coupled to the plurality of valve assemblies, each valve assembly comprises a valve housing comprising an inlet in communication with its respective pump and a recirculation outlet in communication with its respective canister, each valve housing accommodating a valve body comprising a first end connected to a handle and a second end comprising a dispense passageway that provides communication between the inlet of its associated valve assembly and its associated dispense port when the table and valve assemblies are in the dispense position, the valve body further comprising a recirculation slot that provides communication between the inlet and the recirculation outlet of its respective valve housing when the table and valve assemblies are in the recirculation position. 11. The dispenser of claim 10 wherein the table coupled to the plurality of valve assemblies, in the dispense position, the table moves each valve assembly to provide communication between its assigned canister and its assigned dispense port, in the recirculation position, the table has moved each valve assembly to provide communication between its respective pump and its respective canister. 12. The dispenser of claim 10 wherein the controller selectively controls activation of the pump motors so that, in the dispense position, a single fluid may be dispensed if the controller activates only a single pump motor or multiple fluids may be dispensed if the controller activates multiple pump motors. 13. The dispenser of claim 10 wherein each handle is connected to a shaft, each shaft is received in a radial slot disposed in the table, rotation of the table between the dispense and recirculation positions causing each shaft and handle to move each valve body between the dispense and recirculation positions. 14. The dispenser of claim 10 further comprising a first sensor for sensing when the table is in the dispense position. 15. The dispenser of claim 14 wherein the first sensor is linked to the controller which activates one or more pump motors when the table is in the dispense position. 16. The dispenser of claim 10 further comprising a second sensor for sensing when the table is in the recirculation position. 17. The dispenser of claim 16 wherein the second sensor is linked to the controller which periodically activates one for more pump motors when the table is in the recirculation position. 18. A valve assembly comprising: a dispense port;a valve housing comprising an inlet in communication with a pump and a recirculation outlet in communication with a canister,the valve housing accommodating a valve body comprising a first end connected to a handle and a second end comprising a dispense passageway that provides communication between the inlet of the valve assembly and the dispense port when the valve body is in a dispense position,the valve body further comprising a recirculation slot that provides communication between the inlet and the recirculation outlet of the valve housing when valve body is in a recirculation position. 19. The valve assembly of claim 18 wherein the recirculation slot extends axially along the valve body to provide communication between the inlet and recirculation outlet of the valve housing when the valve body is in the recirculation position. 20. The valve assembly of claim 18 wherein the dispense passageway extends trans-axially through the valve body. 21. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valve assemblies, a plurality of dispense ports and a controller linked to at least the table motor and each pump motor;each canister in communication with its assigned pump, each pump being linked to its assigned pump motor, and each valve assembly comprises a valve housing comprising an inlet in communication with its respective pump and a recirculation outlet in communication with its respective canister;each valve housing accommodating a valve body comprising a first end connected to a handle and a second end comprising a dispense passageway that provides communication between the inlet of its associated valve assembly and its associated dispense port when the table and the valve assemblies are in the dispense position, the valve body further comprising a recirculation slot that provides communication between the inlet and the recirculation outlet of its respective valve housing when the table and valve assemblies are in the recirculation position;each handle is connected to a shaft and each shaft is received in a slot disposed in the table; andthe table coupled to the plurality of valve assemblies, when the table is rotated to the dispense position, the table causes each shaft and handle to move its respective valve assembly to provide communication between its assigned canister and its assigned dispense port, when the table is rotated to the recirculation position, the table causes each shaft and handle to move its respective valve assembly to provide communication between its respective pump and its respective canister. 22. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valve assemblies, a plurality of dispense ports and a controller linked to at least the table motor and each pump motor;each canister in communication with its assigned pump, each pump in communication with an inlet of its assigned valve assembly, each pump being linked to its assigned pump motor;the table comprising a plurality of radial slots, each slot accommodating a shaft connected to a valve assembly, when the table is rotated to the dispense position, the table causes each shaft to move its respective valve assembly to provide communication between its assigned canister and its assigned dispense port, when the table is rotated to the recirculation position, the table causes each shaft to move its respective valve assembly to provide communication between its respective pump and its respective canister. 23. A dispenser for dispensing multiple fluids, comprising: a table coupled to a table motor for rotating the table between at least two positions including a dispense position and a recirculation position;a plurality of canisters, a plurality of pumps, a plurality of pump motors, a plurality of valve assemblies, a plurality of dispense ports and a controller linked to at least the table motor and each pump motor;each canister in communication with its assigned pump, each pump in communication with an inlet of its assigned valve assembly, each pump being linked to its assigned pump motor;the table coupled to the plurality of valve assemblies, each valve assembly comprises a valve housing comprising an inlet in communication with its respective pump and a recirculation outlet in communication with its respective canister, each valve housing accommodating a valve body comprising a first end connected to a handle and a second end comprising a dispense passageway,each handle is connected to a shaft, each shaft is received in a slot disposed in the table, rotation of the table between the dispense and recirculation positions causing each shaft and handle to move each valve body between the dispense and recirculation positions, each dispense passageway provides communication between the inlet of its associated valve assembly and its associated dispense port when the table and valve assemblies are in the dispense position, the valve body further comprising a recirculation slot that provides communication between the inlet and the recirculation outlet of its respective valve housing when the table and valve assemblies are in the recirculation position.
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