Material delivery system using decoupling accumulator
AssigneeUniversity of Southern California
InventorBehrokh Khoshnevis
Life of this patent
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Abstract
A cementitious material delivery system may include a pump configured to pump cementitious material and an accumulator. The accumulator may be a decoupling accumulator and may contain a reservoir configured to store cementitious material, an accumulator inlet to the reservoir configured to receive cementitious material pumped by the pump, an accumulator outlet configured to deliver cementitious material from the reservoir, and a pressure applicator configured to apply pressure to the cementitious material that is delivered from the accumulator outlet.
Claims21
A cementitious material delivery system comprising:
- a pump configured to pump cementitious material;
- and
- a decoupling accumulator containing a reservoir configured to store cementitious material, an accumulator inlet to the reservoir configured to receive cementitious material pumped by the pump and to deliver it into the reservoir, an accumulator outlet from the reservoir separate from the accumulator inlet configured to deliver cementitious material from the reservoir, and a pressure applicator configured to apply pressure to the cementitious material within the reservoir so as to cause the cementitious material to flow from within the reservoir through the accumulator outlet at the same time as cementitious material is flowing into the reservoir through the inlet, but at a rate that is materially different from the rate at which the cementitious material flows into the accumulator inlet.
A cementitious material delivery system comprising:
- a pump configured to pump cementitious material and having a pump outlet configured to deliver cementitious material pumped by the pump;
- a decoupling accumulator having an accumulator inlet configured to receive cementitious material, a reservoir configured to store cementitious material received at the accumulator inlet, and an accumulator outlet separate from the accumulator inlet configured to deliver accumulated cementitious material from the reservoir, the decoupling accumulator being configured to cause the cementitious material to flow from the accumulator outlet at a rate that is materially different from the rate at which the cementitious material flows into the accumulator inlet;
- a first tube configured to be at least part of a cementitious delivery pathway between the pump outlet and the accumulator input;
- a nozzle having a nozzle inlet configured to receive cementitious material and a nozzle outlet configured to extrude cementitious material received at the nozzle inlet;
- and
- a second tube configured to be at least part of a cementitious delivery pathway between the accumulator outlet and the nozzle input.
Dependencies are inferred from the claim text.