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US 10,414,066 B2Granted
Slurry dispense system
OwnerJing Zhanginventor
Life of this patent
Estimating the term…
Abstract
A slurry dispense system utilizes a buffer chamber to release the pressure from the supply pump, and buffer the irregular flow rate of the supply pump. It also utilizes a positive displacement pump to control the dispense flow. With the help of the buffer chamber, the positive displacement pump is able to provide a constant flow rate, and can be accurately controlled. A high resolution and a high speed can be achieved at the same time.
Claims20
A slurry dispense system, comprising:
- a slurry supply component comprising a supply pump and a pipe for transporting a predetermined volume of slurry:
- a buffer chamber, which is an unsealed chamber, comprising a cylinder having a cavity, an inlet communicatively connected with said pipe to receive said slurry from said slurry supply component in said cavity, a release opening formed at said cylinder above said inlet for releasing pressure from said slurry supply component, and an outlet for dispensing the slurry, wherein said release opening is positioned higher than said inlet and serves as an overflow hole of said cylinder;
- and
- a flow control dispenser comprising:
- a positive displacement pump communicatively connected with said outlet of said buffer chamber and configured to dispense said slurry at a controlled flow rate;
- and
- a nozzle coupled with an outlet of said positive displacement pump and configured to regulate said dispensed slurry.
4 more elements
A concrete 3D printer, comprising:
- a concrete supply component comprising a supply pump and a pipe for transporting a predetermined volume of concrete;
- a buffer chamber, which is an unsealed chamber, comprising a cylinder having a cavity, an inlet communicatively connected with said pipe to receive said concrete from said concrete supply component in said cavity, a release opening formed at said cylinder above said inlet for releasing pressure from said concrete supply component, and an outlet for dispensing the concrete, wherein said release opening is positioned higher than said inlet and serves as an overflow hole of said cylinder;
- a flow control dispenser comprising:
- a positive displacement pump communicatively connected with said outlet of said buffer chamber and configured to dispense said concrete at a controlled flow rate, and
- a nozzle coupled with an outlet of said positive displacement pump and configured to regulate said dispensed concrete;
- a positioning system coupled with said buffer chamber and flow control dispenser and configured to move said buffer chamber and flow control dispenser in 3 dimensions;
- and
- a control system configured to control said flow rate of said flow control dispenser, said movement of said positioning system, and said transportation of said concrete supply component, wherein said flow rate is adjusted according to said movement of said positioning system.
5 more elements
Dependencies are inferred from the claim text.