公开(公告)号：US12098780B2

公开(公告)日：2024-09-24

申请号：US17686271

申请日：2022-03-03

Applicant: Vieletech Inc

Inventor： Matthew Viele

IPC: F16K37/00 ,  F02D41/00 ,  F02D41/24 ,  F02D41/28 ,  F04B27/00 ,  F04B39/10 ,  F04B49/22 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16 ,  G08C19/16 ,  H04L12/40 ,  G06F13/42

CPC classification number: F16K37/0033 ,  F02D41/009 ,  F02D41/2432 ,  F02D41/28 ,  F04B27/005 ,  F04B39/102 ,  F04B49/22 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16 ,  G08C19/16 ,  H04L12/40 ,  F02D2041/281 ,  G06F13/4204 ,  G06F13/4247 ,  H04L2012/40208

Abstract: An apparatus and method for sensing the position of a piston in a valve in a gas compressor or the position of a piston in a free piston engine. The apparatus includes a plurality of valve sensors, a plurality of magnets, and a plurality of valve sense modules coupled to the valve sensors and a controller coupled to the plurality of valve sense modules. The method includes processing information received from the valve sensors to determine the linear position of the valves in the gas compressor or a piston in a free piston engine.

公开(公告)号：US12060878B2

公开(公告)日：2024-08-13

申请号：US17358410

申请日：2021-06-25

Applicant: Project Phoenix, LLC

Inventor： Thomas Afshari

IPC: F04B49/22 ,  F04C2/08 ,  F04C2/18 ,  F04C11/00 ,  F04C14/08 ,  F04C15/00 ,  F15B7/00 ,  F15B15/08 ,  F15B15/18 ,  F15B15/20 ,  F16H39/02 ,  F16H39/06 ,  F16H61/4008 ,  F16H61/4035

CPC classification number: F04B49/22 ,  F04C2/084 ,  F04C2/18 ,  F04C11/00 ,  F04C11/003 ,  F04C11/008 ,  F04C14/08 ,  F04C15/00 ,  F04C15/0092 ,  F04C15/0096 ,  F15B7/006 ,  F15B15/08 ,  F15B15/18 ,  F15B15/202 ,  F16H39/02 ,  F16H39/06 ,  F16H61/4008 ,  F16H61/4035 ,  F04C2270/035 ,  F04C2270/051 ,  F15B2211/40515

Abstract: A hydraulic system includes a hydraulic gear pump with a first gear having a plurality of first gear teeth and a second gear having a plurality of second gear teeth. The hydraulic system also includes a control valve and a control circuit. The control circuit controls the pump to adjust at least one of a flow in the hydraulic system to a flow set point or a pressure in the hydraulic system to a pressure set point, and concurrently establishes an opening of the control valve to adjust at least one of the flow to the flow set point or the pressure to the pressure set point. The control circuit establishes a position of a first tooth relative to a position of a second tooth to seal a fluid path from the outlet of the hydraulic gear pump to the inlet of the hydraulic gear pump.

公开(公告)号：US12037998B2

公开(公告)日：2024-07-16

申请号：US18180330

申请日：2023-03-08

Applicant: Dräger Safety AG & Co. KGaA

Inventor： Hans-Ullrich Hansmann

IPC: F04B49/24 ,  A62B18/00 ,  F04B39/00 ,  F04B39/10 ,  F04B41/06 ,  F04B43/00 ,  F04B43/113 ,  F04B49/035 ,  F04B49/12 ,  F04B49/22 ,  F04B53/22 ,  F04C28/26 ,  F04D29/60

CPC classification number: F04B49/24 ,  F04B39/0055 ,  F04B39/0061 ,  F04B39/10 ,  F04B43/0072 ,  F04B43/1133 ,  F04B49/035 ,  F04B49/22 ,  F04B53/22 ,  F04C28/26 ,  A62B18/003 ,  A62B18/006 ,  F04B39/0005 ,  F04B41/06 ,  F04B49/12 ,  F04B2205/15 ,  F04D29/601

Abstract: A pump system (120) has a central pump unit (110), with which at least one hook-up unit (130). The at least one hook-up unit (130) is from a group of a plurality of hook-up units (130) that can be combined in modular form for setting an operating point of a pump (10) that forms the pump unit (110). A method uses such a hook-up unit (130) in a pump system (120) for setting an operating point of the pump unit (110) thereof. A medical device is provided with such a pump unit (110) or with such a pump unit (110) and at least one hook-up unit (130) combined with the pump unit (110).

公开(公告)号：US20240209850A1

公开(公告)日：2024-06-27

申请号：US17760360

申请日：2022-02-21

Applicant: GEA MECHANICAL EQUIPMENT ITALIA S.p.A.

Inventor： Massimiliano BENASSI ,  Filippo FONTANESI ,  Matteo FOLEZZANI

IPC: F04B49/22 ,  F04B43/067 ,  F04B43/073 ,  F04B49/00 ,  F04B49/08 ,  F04B53/12 ,  F04B53/16

CPC classification number: F04B49/22 ,  F04B43/067 ,  F04B43/073 ,  F04B49/002 ,  F04B49/08 ,  F04B53/12 ,  F04B53/16

Abstract: A piston pump including a membrane separating a product side from a hydraulic side for a hydraulic fluid, a reciprocating piston operatively active on the hydraulic fluid, and a valve system to establish a selective fluid communication between the hydraulic side and a tank containing the hydraulic fluid. The valve system includes a first valve arrangement that, in a working condition of the piston pump, is configured to discharge the hydraulic fluid having a pressure over a first threshold from the hydraulic side towards the tank and to draw the hydraulic fluid from the tank to the hydraulic side when a pressure in the hydraulic side dropping below a second threshold, and a second valve arrangement that, in at least one non-working condition of the piston pump, is configured to discharge the hydraulic fluid having a pressure over a third threshold from the hydraulic side towards the tank.

公开(公告)号：US20240068481A1

公开(公告)日：2024-02-29

申请号：US17894388

申请日：2022-08-24

Applicant: COOPER-STANDARD AUTOMOTIVE INC

Inventor： David S. Malone

IPC: F04D15/00 ,  F04B49/22

CPC classification number: F04D15/0005 ,  F04B49/22

Abstract: An apparatus and process for distributing coolant fluid through first and second coolant loops comprising a pump having a first outlet port connected to the first coolant loop and a second outlet port connected to the second coolant loop and valve located in the pump housing switchable to direct coolant fluid to either the first or the second outlet port individually or to the first and second outlet ports concurrently. Coolant fluid is pumped by the pump at an unrestricted rate of flow is circulated through the first coolant loop at a rate of flow less than the unrestricted rate of flow when the valve connects the first outlet port to the first coolant loop and circulated through the second coolant loop at a rate of flow less than the unrestricted rate of flow when the valve connects the second outlet port to the second coolant loop. The coolant fluid is circulated through the first and the second coolant loops at a rate of flow less than the unrestricted rate of flow when the valve connects the first and the second outlet ports concurrently to the first and second coolant loops and which the rates of flow through the first and the second coolant loops jointly equal the unrestricted rate of flow.

公开(公告)号：US11879877B2

公开(公告)日：2024-01-23

申请号：US16970070

申请日：2018-03-16

Applicant: SHIMADZU CORPORATION

Inventor： Shinichi Fujisaki

IPC: G01N30/32 ,  F04B23/04 ,  F04B49/22 ,  G01N30/86

CPC classification number: G01N30/32 ,  F04B23/04 ,  F04B49/22 ,  G01N30/8658 ,  F04B2205/05 ,  G01N2030/326 ,  G01N2030/328

Abstract: A binary pump includes a switching valve that can be switched to a state (first state or second state) in which only one of a first pump part and a second pump part is connected to an output part, and a state (third state) in which both the first pump part and the second pump part are connected to the output part, and has a function of preventing a backflow of liquid by switching a state of the switching valve, in particular, a function of preventing a backflow of liquid when liquid delivery is performed by using both the first pump and the second pump.

公开(公告)号：US11867169B2

公开(公告)日：2024-01-09

申请号：US17840919

申请日：2022-06-15

Applicant: PDC MACHINES, INC.

Inventor： Guy Babbitt ,  Garrett Casassa ,  Bryce Whitehill ,  Alex Beckerman ,  Kristina Weyer ,  Chris Turner ,  Kareem Afzal ,  Christopher Basilico

IPC: F04B45/04 ,  F04B45/053 ,  F04B53/06 ,  F04B53/14 ,  F04B43/073 ,  F04B49/22

CPC classification number: F04B45/0533 ,  F04B43/073 ,  F04B45/043 ,  F04B45/053 ,  F04B45/0536 ,  F04B49/22 ,  F04B53/06 ,  F04B53/14 ,  F04B2201/0201 ,  F04B2201/0202 ,  F04B2205/05

Abstract: Devices and methods for operating a diaphragm compressor system provide high output pressure and high throughput. In some embodiments, modular diaphragm compressors are stacked with a clamping mechanism pressing the compressor modules together. In embodiments, multiple stacks are provided as stages of a pressurization process. In embodiments, a main stage valve controls one or more pressure circuits for one or more hydraulic actuators of compressor modules. In embodiments, orifices configured for damping are incorporated to control actuator piston movement within a compressor module.

公开(公告)号：US11828279B2

公开(公告)日：2023-11-28

申请号：US16723053

申请日：2019-12-20

Applicant: DEKA Products Limited Partnership

Inventor： Michael J. Wilt ,  Dirk A. van der Merwe ,  James D. Dale ,  Brian D. Tracey ,  Kevin L. Grant ,  Jason A. Demers ,  Catharine N. Flynn

IPC: F04B43/073 ,  A61M1/26 ,  A61M1/36 ,  A61M1/16 ,  A61M1/28 ,  F04B7/02 ,  F04B43/00 ,  F17D3/00 ,  F04B9/109 ,  F04B49/06 ,  F04B49/22 ,  F04B45/02 ,  F04B53/16 ,  F04B53/10 ,  A61M60/268 ,  A61M60/113 ,  A61M60/531 ,  A61M60/37 ,  F04B13/02 ,  F04B53/06 ,  A61M60/523 ,  A61M60/43 ,  A61M60/892 ,  A61M60/894

CPC classification number: F04B43/0733 ,  A61M1/16 ,  A61M1/1605 ,  A61M1/166 ,  A61M1/1639 ,  A61M1/1656 ,  A61M1/1664 ,  A61M1/1666 ,  A61M1/267 ,  A61M1/287 ,  A61M1/3638 ,  A61M1/3672 ,  A61M60/113 ,  A61M60/268 ,  A61M60/37 ,  A61M60/523 ,  A61M60/531 ,  F04B7/02 ,  F04B7/0216 ,  F04B9/109 ,  F04B13/02 ,  F04B43/00 ,  F04B45/02 ,  F04B49/06 ,  F04B49/22 ,  F04B53/06 ,  F04B53/10 ,  F04B53/16 ,  F17D3/00 ,  A61M60/43 ,  A61M60/892 ,  A61M60/894 ,  A61M2205/12 ,  A61M2205/128 ,  A61M2205/15 ,  A61M2205/18 ,  A61M2205/3317 ,  A61M2205/3324 ,  A61M2205/3331 ,  A61M2205/3337 ,  A61M2205/3368 ,  A61M2205/502 ,  A61M2205/52 ,  Y10T137/0324 ,  Y10T137/0379 ,  Y10T137/2521 ,  Y10T137/85978 ,  Y10T137/86139

Abstract: Systems for monitoring fluid flow in an extracorporeal blood circuit are described. The blood circuit of such systems can include plod pump having a pumping chamber of the blood pump separated from a control chamber of the blood pump by a flexible diaphragm. The control chamber can be configured to transmit positive or negative pressure to operate the diaphragm. The system can include a pressure sensor configured to measure pressure in the control chamber of the blood pump, and a controller configured to receive information from the pressure sensor and to control the delivery of pressure to the control chamber of the blood pump. The controller can also be configured to cause the application of a time-varying pressure waveform on the blood pump diaphragm during a fill-stroke of the blood pump, and to monitor a pressure variation in the control chamber measured by the pressure sensor. When so configured, such controller can transmit a value representing a magnitude of the measured pressure variation to a display associated with the extracorporeal blood circuit.

公开(公告)号：US11806502B2

公开(公告)日：2023-11-07

申请号：US15777284

申请日：2016-11-15

Applicant: Tandem Diabetes Care Switzerland Sàrl

Inventor： Antoine Barraud ,  Simon Kuenzi ,  Remy Rysman

IPC: A61M5/142 ,  F04B43/00 ,  F04B43/09 ,  F04B43/04 ,  F04B19/00 ,  F04B43/14 ,  A61M5/168 ,  F04B49/22 ,  F04B53/10 ,  B29C69/02 ,  B29K27/12 ,  B29L31/00

CPC classification number: A61M5/14248 ,  A61M5/14224 ,  A61M5/16813 ,  F04B19/006 ,  F04B43/0072 ,  F04B43/043 ,  F04B43/09 ,  F04B43/095 ,  F04B43/14 ,  F04B49/22 ,  F04B53/1072 ,  A61M2005/14268 ,  A61M2205/3317 ,  A61M2207/00 ,  B29C69/02 ,  B29K2027/12 ,  B29L2031/7496

Abstract: Micropump (10) including a support structure (14), a pump tube (16), and an actuation system (18) comprising one or more pump chamber actuators (28), the pump tube comprising a pump chamber portion (24) defining therein a pump chamber (26), an inlet portion (20) for inflow of fluid into the pump chamber, and an outlet portion (22) for outflow of fluid from the pump chamber. The inlet, outlet and pump chamber portions form part of a continuous section of tube made of a supple material. The one or more pump chamber actuators are configured to bias against the pump chamber portion to expel liquid contained in the pump chamber via the outlet portion, respectively to bias away from the pump chamber portion to allow liquid to enter the pump chamber via the inlet portion. The pump chamber portion has a cross-sectional area Ap in an expanded state that is larger than a cross-sectional area Ai of the pump tube at the inlet and outlet portions.

公开(公告)号：US20230287876A1

公开(公告)日：2023-09-14

申请号：US18321751

申请日：2023-05-22

Applicant: DEKA Products Limited Partnership

Inventor： Michael J. Wilt ,  Dirk A. van der Merwe ,  James D. Dale ,  Brian D. Tracey ,  Kevin L. Grant ,  Jason A. Demers ,  Catharine N. Flynn

IPC: F04B43/073 ,  A61M1/26 ,  A61M1/36 ,  A61M1/16 ,  A61M1/28 ,  F04B7/02 ,  F04B43/00 ,  F17D3/00 ,  F04B13/02 ,  F04B9/109 ,  F04B49/06 ,  F04B49/22 ,  F04B45/02 ,  F04B53/16 ,  F04B53/06 ,  F04B53/10 ,  A61M60/268 ,  A61M60/113 ,  A61M60/531 ,  A61M60/37 ,  A61M60/523

CPC classification number: F04B43/0733 ,  A61M1/267 ,  A61M1/3672 ,  A61M1/166 ,  A61M1/3638 ,  A61M1/287 ,  F04B7/02 ,  A61M1/1656 ,  F04B43/00 ,  A61M1/16 ,  F17D3/00 ,  F04B7/0216 ,  F04B13/02 ,  A61M1/1666 ,  A61M1/1639 ,  A61M1/1664 ,  F04B9/109 ,  F04B49/06 ,  F04B49/22 ,  F04B45/02 ,  F04B53/16 ,  F04B53/06 ,  F04B53/10 ,  A61M1/1605 ,  A61M60/268 ,  A61M60/113 ,  A61M60/531 ,  A61M60/37 ,  A61M60/523 ,  A61M2205/3331 ,  A61M2205/3337 ,  A61M2205/502 ,  A61M2205/3317 ,  A61M2205/3368 ,  A61M2205/52 ,  A61M2205/15 ,  A61M2205/18 ,  Y10T137/85978 ,  A61M2205/128 ,  A61M2205/3324 ,  Y10T137/86139 ,  Y10T137/0379 ,  Y10T137/0324 ,  Y10T137/2521 ,  A61M2205/12 ,  A61M60/43

Abstract: Hemodialysis and similar dialysis systems including a variety of systems and methods that make hemodialysis more efficient, easier, and/or more affordable, and include new fluid circuits for fluid flow in hemodialysis systems and a reciprocating diaphragm pump for pumping fluids. The reciprocating diaphragm pump includes a flexible diaphragm, a first rigid body having a curved pumping chamber wall, a second rigid body having an opposing curved control chamber wall. The diaphragm is interposed between the pumping chamber wall and the control chamber wall to define a pumping chamber and a control chamber. The diaphragm of the pump has a peripheral bead arranged to locate the diaphragm between the first rigid body and the second rigid body and a diaphragm body having a curved, semi-spheroid or domed shape. The diaphragm is pre-formed or molded so that during a delivery stroke of the pump, the elastic force of the diaphragm resisting its deployment into the pumping chamber prevents a peripheral portion of the diaphragm body from fully contacting the pumping chamber wall.