Patents Assigned to Energy Recovery, Inc.
  • Patent number: 11959498
    Abstract: A system includes an isobaric pressure exchanger (IPX) configured to exchange pressure between a first fluid and a second fluid. The IPX includes a rotor configured to rotate about a longitudinal axis of the rotor. The rotor forms rotor ports arranged substantially symmetrically around the longitudinal axis at a distal end of the rotor. The IPX further includes an end cover configured to be disposed at the first distal end of the rotor. The end cover forms end cover ports. The rotor ports are arranged for hydraulic communication with the end cover ports. The IPX further includes an insert disposed between two of the rotor ports or between two of the end cover ports.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: April 16, 2024
    Assignee: Energy Recovery, Inc.
    Inventors: Behzad Zamanian Yazdi, Farshad Ghasripoor, Kuo-Chiang Chen, Patrick Morphew, James Elliott McLean, Jr.
  • Patent number: 11959502
    Abstract: A system includes a pressure exchanger (PX) configured to receive a first fluid via a first inlet and a second fluid via a second inlet. The PX is to exchange pressure between the first fluid and the second fluid and provide the first fluid at a first outlet and the second fluid at a second outlet. The system further includes a first sensor to provide first sensor data associated with the first fluid prior to the first fluid entering the first inlet and a second sensor to provide second sensor data associated with the second fluid prior to the second fluid entering the second inlet. The system further includes a controller to receive user input and cause a first adjustment of the flowrate of the first fluid into the first inlet and cause a second adjustment of the flowrate of the second fluid into the second inlet.
    Type: Grant
    Filed: July 6, 2022
    Date of Patent: April 16, 2024
    Assignee: Energy Recovery, Inc
    Inventors: James Elliott McLean, Jr., Patrick Morphew, Joseph Michael Marchetti, Chengyu Zhang, Kyaw Thu
  • Patent number: 11913696
    Abstract: A fluid handling system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure and a second fluid at a second pressure and exchange pressure between the first fluid and the second fluid. The system further includes a condenser configured to provide corresponding thermal energy from the first fluid to a corresponding environment. The system further includes a receiver to receive the first fluid output by the PX. The receiver forms a chamber to separate the first fluid into a first gas and a first liquid. The system further includes a first booster to increase pressure of a portion of the first gas to form the second fluid at the second pressure and provide the second fluid at the second pressure to the PX.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: February 27, 2024
    Assignee: Energy Recovery, Inc.
    Inventors: Azam Mihir Thatte, Behzad Zamanian Yazdi, David Deloyd Anderson, James Elliott McLean, Jr., Joseph Michael Marchetti, Omprakash Samudrala, Neelesh Sarawate, Kuo-Chiang Chen, Farshad Ghasripoor
  • Patent number: 11781789
    Abstract: A fluid handling system includes a pressure exchanger (PX) configured to receive a first fluid at a first pressure and a second fluid at a second pressure and exchange pressure between the first fluid and the second fluid. The system further includes a condenser configured to provide corresponding thermal energy from the first fluid to a corresponding environment. The system further includes a receiver to receive the first fluid output by the PX. The receiver forms a chamber to separate the first fluid into a first gas and a first liquid. The system further includes a first booster to increase pressure of a portion of the first gas to form the second fluid at the second pressure and provide the second fluid at the second pressure to the PX.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: October 10, 2023
    Assignee: Energy Recovery, Inc.
    Inventors: Azam Mihir Thatte, Behzad Zamanian Yazdi, David Deloyd Anderson, James Elliott McLean, Jr., Joseph Michael Marchetti, Omprakash Samudrala, Neelesh Sarawate, Kuo-Chiang Chen, Farshad Ghasripoor
  • Patent number: 11761460
    Abstract: A pressure exchanger includes a rotor, a seal plate, and a seal structure. The rotor is configured to exchange pressure between a first fluid and a second fluid. The seal plate has a first substantially planar seal plate surface and a second substantially planar seal plate surface disposed opposite the first substantially planar seal plate surface. A piston structure extends from the first substantially planar seal plate surface to form a substantially planar piston surface that has a surface area and is substantially parallel to the first substantially planar seal plate surface. The seal plate and the piston structure form a hydraulic chamber routed from a first opening formed by the substantially planar piston surface to a second opening formed by the second substantially planar seal plate surface. The seal structure is configured to couple the second substantially planar seal plate surface to a corresponding surface of the pressure exchanger.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: September 19, 2023
    Assignee: Energy Recovery, Inc.
    Inventor: Alexander Patrick Theodossiou
  • Patent number: 11692743
    Abstract: A system includes a pressure exchanger (PX). The PX is coupled to a motor that controls an operating speed of the PX. The system further includes a first pressure gauge configured to generate first pressure data indicative of a pressure of a fluid of a condenser. A first controller is to generate a first control signal based on the first pressure data. The motor of the PX is configured to adjust the operating speed of the PX based on the first control signal. The system further includes a pump. The system further includes a fluid density sensor for generating fluid density data associated with a first output fluid of the PX. A second controller is to generate a second control signal based on at least the fluid density data. The pump is to adjust an operating speed of the pump based on the second control signal.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: July 4, 2023
    Assignee: Energy Recovery, Inc.
    Inventors: Azam Mihir Thatte, Matthew Hans Truax, Michael Paul Gustafson, Joseph Michael Marchetti, James Elliott McLean, Jr., David Deloyd Anderson
  • Patent number: 11555509
    Abstract: A rotary isobaric pressure exchanger (IPX) configured to exchange pressure between a first fluid and a second fluid. The rotary IPX includes a low-pressure port designed to output the first fluid under a first pressure. The rotary IPX further includes a rotor that is connected via a fluid flow path from the low-pressure port. The rotary IPX further includes a shaft routed through a centerbore formed by the rotary IPX. The rotary IPX forms a low-pressure passageway from the low-pressure port to the rotor. The rotary IPX further forms a fluid passageway between the low-pressure passageway and the centerbore. The rotary IPX further includes a motor connected to the shaft, the motor designed to rotate the shaft to drive the rotor.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: January 17, 2023
    Assignee: Energy Recovery, Inc.
    Inventor: Alexander Patrick Theodossiou
  • Patent number: 11512567
    Abstract: A hydraulic energy transfer system including an isobaric pressure exchanger (IPX) configured to exchange pressure between a first fluid and a second fluid. The IPX includes a channel formed by the IPX. The IPX is designed to direct the first fluid to a first opening of the channel and the second fluid to a second opening of the channel. The IPX further includes a barrier disposed within the channel. The barrier is designed to reduce mixing of the first fluid and the second fluid while exchanging pressure between the first fluid and the second fluid within the channel.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: November 29, 2022
    Assignee: Energy Recovery, Inc.
    Inventors: Farshad Ghasripoor, Jeremy Grant Martin, Prem Krish, Baji Gobburi
  • Patent number: 11421918
    Abstract: A refrigeration system includes a rotary pressure exchanger fluidly coupled to a low pressure branch and a high pressure branch. The rotary pressure exchanger is configured to receive the refrigerant at high pressure from the high pressure branch, to receive the refrigerant at low pressure from the low pressure branch, and to exchange pressure between the refrigerant at high pressure and the refrigerant at low pressure, and wherein a first exiting stream from the rotary pressure exchanger includes the refrigerant at high pressure in the supercritical state or the subcritical state and a second exiting stream from the rotary pressure exchanger includes the refrigerant at low pressure in the liquid state or the two-phase mixture of liquid and vapor.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: August 23, 2022
    Assignee: Energy Recovery, Inc.
    Inventor: Azam Mihir Thatte
  • Patent number: 11397030
    Abstract: A refrigeration system includes a rotary pressure exchanger fluidly coupled to a low pressure loop and a high pressure loop. The rotary pressure exchanger replaces a traditional bulk flow compressor. The rotary pressure exchanger is configured to receive the refrigerant at high pressure from the high pressure loop, to receive the refrigerant at low pressure from the low pressure loop, and to exchange pressure between the refrigerant at high pressure and the refrigerant at low pressure, and wherein a first exiting stream from the rotary pressure exchanger includes the refrigerant at high pressure in the supercritical state or the subcritical state and a second exiting stream from the rotary pressure exchanger includes the refrigerant at low pressure in the liquid state or the two-phase mixture of liquid and vapor.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: July 26, 2022
    Assignee: Energy Recovery, Inc.
    Inventors: Azam Mihir Thatte, Matthew Joseph Pattom
  • Patent number: 11326430
    Abstract: A pumping system that includes a reciprocating isobaric pressure exchanger (reciprocating IPX) designed to exchange pressures between a first fluid and a second fluid. The first fluid includes a substantially particulate free fluid and the second fluid includes a particulate laden fluid. The reciprocating IPX includes a valve having a first and second piston. The value further includes a shaft coupling the first piston to the second piston and a drive coupled to the shaft.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 10, 2022
    Assignee: Energy Recovery, Inc.
    Inventors: Farshad Ghasripoor, Jeremy Grant Martin, Prem Krish, Baji Gobburi
  • Patent number: 11092169
    Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a lubrication system coupled to the hydraulic energy transfer system and configured to pump or direct a lubrication fluid into the hydraulic energy transfer system.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: August 17, 2021
    Assignee: Energy Recovery, Inc.
    Inventors: Adam Rothschild Hoffman, Farshad Ghasripoor, Jeremy Grant Martin, David Deloyd Anderson
  • Patent number: 11073169
    Abstract: A rotary liquid piston compressor and a power generation system including a first fluid loop. The first fluid loop includes a pump that circulates a liquid. A second fluid loop that generates power by circulating a supercritical fluid. The second fluid loop includes a turbine that rotates and powers a generator as the supercritical fluid flows through the turbine. A rotary liquid piston compressor fluidly coupled to the first fluid loop and the second fluid loop. The rotary liquid piston compressor exchanges pressure between the liquid circulating in the first fluid loop and the supercritical fluid circulating in the second fluid loop.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: July 27, 2021
    Assignee: Energy Recovery, Inc.
    Inventor: Azam Thatte
  • Patent number: 11047398
    Abstract: A method includes removing a worn portion from a component of a rotary isobaric pressure exchanger (IPX). The rotary IPX is configured to exchange pressures between a first fluid and a second fluid. The method also includes repairing the component after the worn portion is removed from the component.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: June 29, 2021
    Assignee: Energy Recovery, Inc.
    Inventors: Farshad Ghasripoor, Jeremy Grant Martin
  • Patent number: 10995773
    Abstract: A system includes a pump configured to pressurize a first fluid, and a pressure exchanger (PX). The PX is configured to receive a second fluid, to receive the pressurized first fluid, and to utilize the pressurized first fluid to pressurize the drilling mud for transport to a well.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: May 4, 2021
    Assignee: Energy Recovery, Inc.
    Inventors: Adam Rothschild Hoffman, Joel Gay, Farshad Ghasripoor, David Deloyd Anderson, Jeremy Grant Martin
  • Patent number: 10767457
    Abstract: A frac system that includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: September 8, 2020
    Assignee: ENERGY RECOVERY, INC.
    Inventors: Farshad Ghasripoor, Jeremy Grant Martin, Prem Krish, Baji Gobburi
  • Patent number: 10760394
    Abstract: A system and method of producing oil is provided. The system includes a support module that provides air, water and fuel to a well. A steam generator is fluidly coupled to the support module to receive the air, water and fuel. The steam generator includes an injector having a plurality of tubes. The tubes have an outer surface with an oxidation catalyst thereon. The steam generator is configured to divide the supplied air and direct a first portion through the tubes. A second portion of the supplied air is mixed with supplied fuel and directed over the outside of the tubes. The air and fuel is burned in a combustor and water is sprayed on the combustion gases to produce steam. The steam and combustion gases are directed in the direction of the oil reservoir.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 1, 2020
    Assignees: PRECISION COMBUSTION, INC., GENERAL ENERGY RECOVERY, INC.
    Inventors: Benjamin Baird, Sandeep Alavandi, J. Kevin Burns, Bruce Crowder, Brian Kay, Richard Mastanduno, Curtis Morgan, Chester Ledlie Sandberg
  • Patent number: 10731702
    Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein the first fluid has a pressure higher than the second fluid. The hydraulic transfer system includes a cylindrical rotor configured to rotate circumferentially about a rotational axis and having a first end face and a second end face disposed opposite each other, a first end cover having a first surface that interfaces with the first end face of the cylindrical rotor, and a hybrid hydrodynamic-hydrostatic bearing system configured to resist axial displacement of the cylindrical rotor.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: August 4, 2020
    Assignee: ENERGY RECOVERY, INC.
    Inventors: Azam Mihir Thatte, Behzad Zamanian Yazdi
  • Patent number: 10712235
    Abstract: A system includes a monitoring system to monitor an operational parameter of a bearing assembly within a hydraulic turbocharger. The bearing monitoring system includes at least one sensor to monitor a relative position or operational parameter of one or more rotating components of the bearing assembly.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: July 14, 2020
    Assignee: ENERGY RECOVERY, INC.
    Inventors: Matthew Joseph Pattom, Chinmay Vishwas Deshpande, Jeremy Grant Martin
  • Patent number: 10669831
    Abstract: A system including a rotary isobaric pressure exchanger configured to exchange pressures between a first fluid and a second fluid, and a lubrication system configured to lubricate the rotary isobaric pressure exchanger. The pump may pump a third fluid into the rotary isobaric pressure exchanger to lubricate the rotary isobaric pressure exchanger.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: June 2, 2020
    Assignee: Energy Recovery, Inc.
    Inventors: Prem Krish, Farshad Ghasripoor, Jeremy Grant Martin