Centrifugal multistage pump
First Claim
1. A centrifugal multistage stage pump adapted to use between 10 and 60 volts of input DC power comprising:
- a. a pump body comprising a longitudinal axis, an inlet for receiving a fluid from a first location and an outlet for discharging a pressurized fluid to a second location;
b. a hydraulic assembly disposed within the pump body and adapted to pressurize the fluid to form the pressurized fluid, wherein the hydraulic assembly comprises;
i. a first diffuser comprising a first impeller; and
ii. a second diffuser comprising a second impeller, wherein the pressurized fluid flows centrifugally from the first diffuser to the second diffuser;
c. an induction motor operably connected to the first impeller and the second impeller;
d. a first circuit board inverter disposed within the pump body;
e. a microcontroller disposed on the first circuit board inverter, wherein the microcontroller comprises an operating system with memory and is adapted to control the induction motor;
f. a pressure transducer disposed within the pump body;
g. a heat sink adjacent the first circuit board inverter adapted for removing heat from the first circuit board inverter and transferring it to the pressurized fluid;
h. a control panel operably connected to the first circuit board inverter and the microcontroller;
i. a mounting system adapted for rotation of the pump body around the longitudinal axis; and
j. software imbedded within the memory comprising;
i. protection features adapted for emergency shutoff;
ii. monitoring features adapted for monitoring pressure, temperature and power levels; and
iii. control features adapted for control of motor speed, start and stop of motor.
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Accused Products
Abstract
A centrifugal multistage stage pumps described herein. The centrifugal multistage pump includes a pump body having a longitudinal axis, an inlet for receiving a fluid from a first location and an outlet for discharging a pressurized fluid to a second location and a hydraulic assembly disposed within the pump body and adapted to pressurize the fluid. The pump further includes a motor, a first circuit board inverter disposed within the pump body, a microcontroller disposed on the first circuit board inverter, a pressure transducer disposed within the pump body, a heat sink adjacent the first circuit board inverter, a control panel connected to the circuit board inverter and the microcontroller. The pump has a mounting system adapted for rotation of the pump body around the longitudinal axis. In addition, the pump includes software imbedded within the memory, wherein the software includes protection, monitoring and control the features of the pump.
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Citations
34 Claims
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1. A centrifugal multistage stage pump adapted to use between 10 and 60 volts of input DC power comprising:
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a. a pump body comprising a longitudinal axis, an inlet for receiving a fluid from a first location and an outlet for discharging a pressurized fluid to a second location; b. a hydraulic assembly disposed within the pump body and adapted to pressurize the fluid to form the pressurized fluid, wherein the hydraulic assembly comprises; i. a first diffuser comprising a first impeller; and ii. a second diffuser comprising a second impeller, wherein the pressurized fluid flows centrifugally from the first diffuser to the second diffuser; c. an induction motor operably connected to the first impeller and the second impeller; d. a first circuit board inverter disposed within the pump body; e. a microcontroller disposed on the first circuit board inverter, wherein the microcontroller comprises an operating system with memory and is adapted to control the induction motor; f. a pressure transducer disposed within the pump body; g. a heat sink adjacent the first circuit board inverter adapted for removing heat from the first circuit board inverter and transferring it to the pressurized fluid; h. a control panel operably connected to the first circuit board inverter and the microcontroller; i. a mounting system adapted for rotation of the pump body around the longitudinal axis; and j. software imbedded within the memory comprising; i. protection features adapted for emergency shutoff; ii. monitoring features adapted for monitoring pressure, temperature and power levels; and iii. control features adapted for control of motor speed, start and stop of motor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A low vibration, high frequency and low decibel pump using between 10 volts and 60 volts DC comprising:
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a. a pump body comprising a longitudinal axis, an inlet for receiving a fluid from a first location and an outlet for discharging a pressurized fluid to a second location; b. a low decibel hydraulic assembly disposed within the pump body and adapted to pressurize the fluid to form the pressurized fluid, wherein the hydraulic assembly comprises; i. a first diffuser comprising a first impeller; and ii. a second diffuser comprising a second impeller, wherein the pressurized fluid flows centrifugally from the first diffuser to the second diffuser and the impellers impart a high frequency to the pump; c. an induction motor operably connected to the first impeller and the second impeller, wherein the induction motor imparts a low vibration to the pump; d. a first circuit board inverter disposed within the pump body; e. a microcontroller disposed on the first circuit board inverter, wherein the microcontroller comprises an operating system with memory and is adapted to control the induction motor; f. a pressure transducer disposed within the pump body; g. a heat sink adjacent the first circuit board inverter adapted for removing heat from the first circuit board inverter and transferring it to the pressurized fluid; h. a control panel operably connected to the first circuit board inverter and the microcontroller; i. a mounting system adapted for rotation of the pump body around the longitudinal axis; and j. software imbedded within the memory comprising; i. protection features adapted for emergency shutoff; ii. monitoring features adapted for monitoring pressure, temperature and power levels; and iii. control features adapted for control of motor speed, start and stop of motor. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification