公开(公告)号：US12215695B2

公开(公告)日：2025-02-04

申请号：US18053522

申请日：2022-11-08

Applicant: Pentair Flow Technologies, LLC

Inventor： Melissa Drechsel Kidd ,  William James Genaw ,  Michael Pasche ,  Gary T. Baase, II

IPC: F04D15/00 ,  F04B17/03 ,  F04B47/00 ,  F04B47/06 ,  F04B49/06 ,  F04B49/08 ,  F04B49/10 ,  F04D13/08 ,  F04D13/10 ,  F04D15/02 ,  F04D27/00

Abstract: A method is provided for controlling a pump driven by a motor with the motor connected to a drive. The method can include determining a parameter value related to a fault condition, comparing the parameter value to a threshold value, and adjusting a speed control of the drive based on the comparison of the determined parameter to the threshold value.

公开(公告)号：US20250027493A1

公开(公告)日：2025-01-23

申请号：US18224148

申请日：2023-07-20

Applicant: Dongguan Shengzai Electronic Technology Co., Ltd.

Inventor： HUI ZHENG

IPC: F04B53/10 ,  F04B17/03 ,  F04B53/16

Abstract: A pump body assembly, comprising a pump body, a liquid inlet cavity is arranged inside the pump body, a liquid inlet and a liquid outlet are arranged on a surface of the pump body and connected with the liquid inlet cavity, the liquid outlet is arranged on top of the pump body, the liquid outlet is provided with a switch valve comprising two flaps, which are arranged opposite to each other, and the flaps are fixedly connected to the pump body, and the sides of the valve close to each other are in contact and closed, the switch valve protrudes toward outside of the pump body, the liquid inlet is located on a side of the pump body, the corresponding liquid inlet is provided with a water inlet connecting seat, a one-way valve group made of flexible material is arranged between the water inlet connecting seat and the liquid inlet.

公开(公告)号：US20250027397A1

公开(公告)日：2025-01-23

申请号：US18904942

申请日：2024-10-02

Applicant: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.

Inventor： Jifeng ZHONG ,  Liang LV ,  Shouzhe LI ,  Jihua WANG ,  Xincheng LI ,  Yipeng WU

IPC: E21B43/26 ,  F04B17/03 ,  F04B49/06

Abstract: A pumping system includes an electric fracturing device and multiple power supply systems. The electric fracturing device includes a plunger pump, a main motor for driving the plunger pump, and at least one auxiliary electric device. The multiple power supply systems include at least one main power supply and at least one auxiliary power supply. The main power supply supplies electric power to the main motor, and the auxiliary power supply supplies electric power to the at least one auxiliary electric device.

公开(公告)号：US12206224B2

公开(公告)日：2025-01-21

申请号：US18615038

申请日：2024-03-25

Applicant: TYPHON TECHNOLOGY SOLUTIONS (U.S.), LLC

Inventor： Johnny Martin ,  David Loyd ,  Theron South

IPC: H02B7/00 ,  E21B43/26 ,  F04B17/03 ,  H02B13/00

Abstract: A method and system are disclosed for providing electrical power from a utility electric grid to a fracturing operation, and an electrically powered fracturing system. A mobile substation includes at least two transformer units that are operatively coupled to the utility electric grid in a parallel orientation, wherein the transformer units are capable of receiving power from the utility electric grid and stepping down the power for delivery to a switchgear. An electric motor is operatively coupled to a hydraulic fracturing pump and operatively controlled by a variable frequency drive. At least one open air relay cable is operatively coupled between the switchgear and the electric motor and capable of delivering power to the electric motor.

公开(公告)号：US12146485B2

公开(公告)日：2024-11-19

申请号：US17620048

申请日：2020-06-25

Applicant: FSubsea AS

Inventor： Tommy Westberg ,  Torbjørn Strømsvik

IPC: E21B43/01 ,  F04B17/03 ,  F04B47/08 ,  F04B49/02 ,  F04B49/06 ,  H02G9/12

Abstract: The invention provides a system for subsea pressure booster HV (high voltage), MV (medium voltage) and LV (low voltage) power supply and distribution. The system is distinguished in that the system consists of, essentially consists of or comprises: a supply cable without a connected variable speed drive/variable frequency drive (VSD, VFD); at least one subsea pressure booster, and; one subsea direct online switch (SDOS) for each subsea pressure booster, wherein the supply cable at a source end is coupled to an AC power source at a topside, onshore or subsea location, wherein the supply cable at a pressure booster end is coupled directly or via a distribution device to at least one subsea direct online switch, SDOS, wherein each SDOS is coupled to one subsea pressure booster. Method of operation and use of the system.

公开(公告)号：US20240376886A1

公开(公告)日：2024-11-14

申请号：US18599216

申请日：2024-03-08

Applicant: ZHEJIANG UNIVERSITY

Inventor： SHIJUN WU ,  ZHIHENG CHEN ,  YIQIANG DAI ,  CANJUN YANG

IPC: F04B49/08 ,  F04B17/03 ,  F04B49/22 ,  G01N1/14 ,  G01N1/10

Abstract: An active pressure compensator for deep-sea sampling includes a spring chamber, a cam piston pump, and a circuit chamber; the spring chamber is configured to provide compensation liquid for the cam piston pump; the cam piston pump is configured to be able to draw liquid from the spring chamber and pump liquid to the circuit chamber; the circuit chamber is configured to be connected to a mechanism to be pressurized, and is provided therein with a pressure sensor and a control circuit board, the pressure sensor is configured to detect pressures of the compensation liquid from cam piston pump and the mechanism to be pressurized, the control circuit board is configured to control working of the cam piston pump based on pressure data feedback from the pressure sensor and thereby realize active pressure compensation for the mechanism to be pressurized. A pressure compensation method using the compensator is further provided.

公开(公告)号：US20240369050A1

公开(公告)日：2024-11-07

申请号：US18291215

申请日：2022-07-04

Applicant: Schwing GmbH

Inventor： Andreas LEHMANN ,  Uwe KRISCHAN ,  Dirk BRANDENSTEIN

IPC: F04B17/03 ,  E04G21/04 ,  F04B15/02 ,  F04B17/05 ,  F04B17/06

Abstract: A system includes a truck-mounted concrete pump and an auxiliary unit. The truck-mounted concrete pump including a hydraulically driven concrete pumping system for conveying concrete, a hydraulic pump drive system, and an internal combustion engine. The internal combustion engine is configured to drive the hydraulic pump drive system, and the hydraulic pump drive system configured to drive the concrete pumping system. The auxiliary unit includes an auxiliary hydraulic pump drive system for hydraulically driving the concrete pump system and an electric motor for driving the auxiliary hydraulic pump drive system.

公开(公告)号：US12134963B2

公开(公告)日：2024-11-05

申请号：US17891664

申请日：2022-08-19

Applicant: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.

Inventor： Rikui Zhang ,  Xiance Li ,  Xincheng Li ,  Chunqiang Lan ,  Yipeng Wu ,  Zhuqing Mao ,  Sheng Chang ,  Xiaolei Ji

IPC: E21B43/26 ,  F04B17/03 ,  F04B53/08 ,  F04B53/18

Abstract: A fracturing apparatus and a fracturing system are provided. The fracturing apparatus includes: a plunger pump configured to pressurize a fracturing fluid to form a high-pressure fracturing fluid; a turbine engine coupled to the plunger pump and configured to provide a driving force to the plunger pump; an auxiliary unit including an electric motor unit, the auxiliary unit being configured to provide the fracturing apparatus with at least one selected from the group consisting of start-up assist function, lubrication function, cooling function, and air supply function; and a power supply electrically coupled to the electric motor unit of the auxiliary unit to provide a power source.

公开(公告)号：US12129730B2

公开(公告)日：2024-10-29

申请号：US18329235

申请日：2023-06-05

Applicant: Schlumberger Technology Corporation

Inventor： Matthew Olson ,  Stephen McGuire

IPC: E21B33/06 ,  F04B17/03 ,  F04B23/04

CPC classification number: E21B33/063 ,  F04B17/03 ,  F04B23/04

Abstract: A closing unit system for a blowout preventer (BOP) stack includes a first fluid reservoir, a first power source, a first pump system fluidly coupled to the first fluid reservoir and electrically coupled to the first power source, and a valve manifold fluidly coupled to the first pump system via a closing unit hose assembly and configured to couple to the BOP stack. The closing unit system also includes one or more processors that are configured to receive an input indicative of an instruction to adjust an actuator associated with the BOP stack, and instruct the first power source to provide power to the first pump system to cause the first pump system to pump a fluid from the first fluid reservoir to the valve manifold in response to the input.

公开(公告)号：US20240356416A1

公开(公告)日：2024-10-24

申请号：US18760924

申请日：2024-07-01

Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

Inventor： Patrick Dennis Gallagher ,  Timothy James Bartlett ,  Alex Huber ,  William F. Chapman, III

IPC: H02K11/35 ,  F04B17/03 ,  H02K11/00 ,  H02K11/33 ,  H02K21/16

CPC classification number: H02K11/35 ,  F04B17/03 ,  H02K11/0094 ,  H02K11/33 ,  H02K21/16

Abstract: One embodiment provides a remotely controllable gas engine replacement device including a housing, a battery receptacle coupled to the housing, the battery receptacle configured to removably receive a battery pack, a motor located within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to selectively provide power from the battery pack to the motor, and one or more remote control device interfaces configured to communicate with the remote control device. The remotely controllable gas engine replacement device also includes an electronic processor coupled to the power switching network and the remote control device interface. The electronic processor configured to control the power switching network to rotate the motor, receive a control signal from the remote control device, and execute a responsive action to the control signal from the remote control device.