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US 2018/0355861 A1Published application
Dosing pump system
AssigneeMicro Infinity Flow, LLC
InventorFernando A. Ubidia
Life of this patent
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Abstract
A compact, modular dosing pump system that is capable of microdose and macrodose volume flow rates, reduces or eliminates the need for additional flow control components such as temperature and pressure sensors, and utilizes a wider operational flow range than existing systems while maintaining the level of accuracy and precision exhibited by conventional dosing pump systems is provided. The dosing pump utilizes a a control system to deliver a range of fluid volumes. The control system monitors the motor emf voltage, calculates the flow rate, and makes adjustments to the pump motor voltage to precisely maintain the desired flowrate.
Claims15
A pump system comprising:
- At least two controllers networked together;
- a first fluid pump including a first motor and a first pump outlet branch orifice, a first controller being operably connected to said first fluid pump;
- a second fluid pump including a second motor and a second pump outlet branch orifice, a second controller being operably connected to said second fluid pump;
- wherein the first pump outlet branch orifice and the second pump outlet branch orifice have different dimensions;
- wherein the first controller is configured to operate the first fluid pump to pump a first fluid having a first predefined flow rate;
- wherein the second controller is configured to operate the second fluid pump to pump a second fluid having a second predefined flow rate;
- wherein the first predefined flow rate and the second predefined flow rate are different;
- wherein the first controller monitors a first motor electromotive force and controls the operation of said first motor as a function of the first predefined flow rate and by utilizing information pertaining to the first motor electromotive force to adjust the pulse width of a voltage applied to the first motor;
- and
- wherein the second controller monitors a second motor electromotive force and controls the operation of said second motor as a function of the second predefined flow rate and by utilizing information pertaining to the second motor electromotive force to adjust the pulse width of a voltage applied to the second motor.
7 more elements
A pump system comprising:
- At least two controllers networked together;
- a first fluid pump including a first motor and a first pump outlet branch orifice, a first controller being operably connected to said first fluid pump;
- a second fluid pump including a second motor and a second pump outlet branch orifice, a second controller being operably connected to said second fluid pump;
- wherein the first controller is configured to operate the first fluid pump to pump a first fluid having a first predefined flow rate;
- wherein the second controller is configured to operate the second fluid pump to pump a second fluid having a second predefined flow rate;
- wherein the first predefined flow rate and the second predefined flow rate are different;
- wherein the first controller monitors a first motor electromotive force and controls the operation of said first motor as a function of the first predefined flow rate and by utilizing information pertaining to the first motor electromotive force to adjust the pulse width of a voltage applied to the first motor;
- and
- wherein the second controller monitors a second motor electromotive force and controls the operation of said second motor as a function of the second predefined flow rate and by utilizing information pertaining to the second motor electromotive force to adjust the pulse width of a voltage applied to the second motor.
6 more elements
A pump system comprising:
- At least two controllers networked together;
- a first fluid pump including a first motor and a first pump outlet branch orifice, a first controller being operably connected to said first fluid pump;
- a second fluid pump including a second motor and a second pump outlet branch orifice, a second controller being operably connected to said second fluid pump;
- wherein the first controller is configured to operate the first fluid pump to pump a first fluid having a predefined flow rate;
- wherein the first controller is configured to adjust the operation of the first motor based on a predefined first motor reference value that is based on a physical property of the first motor to pump the first fluid at the predefined flow rate;
- wherein the second controller is configured to operate the second fluid pump to pump a said first fluid;
- wherein the second controller is configured to adjust the operation of the second motor based on a predefined second motor reference value that is based on a physical property of the second motor to pump the first fluid at the predefined flow rate;
- wherein the predefined first motor reference value and the predefined second motor reference value are different;
- wherein the first controller monitors a first motor electromotive force and controls the operation of said first motor as a function of the predefined flow rate, the predefined first motor reference value, and by utilizing information pertaining to the first motor electromotive force to adjust the pulse width of a voltage applied to the first motor;
- and
- wherein the second controller monitors a second motor electromotive force and controls the operation of said second motor as a function of the first predefined flow rate, the predefined second motor reference, and by utilizing information pertaining to the second motor electromotive force to adjust the pulse width of a voltage applied to the second motor.
8 more elements
Dependencies are inferred from the claim text.