Patents Examined by Philip E Stimpert
-
Patent number: 11965496Abstract: A compact, modular dosing pump system that is capable of microdose and macrodose volume flow rates, reduces or eliminates the need for additional flow control components such as temperature and pressure sensors, and utilizes a wider operational flow range than existing systems while maintaining the level of accuracy and precision exhibited by conventional dosing pump systems is provided. The dosing pump utilizes a a control system to deliver a range of fluid volumes. The control system monitors the motor emf voltage, calculates the flow rate, and makes adjustments to the pump motor voltage to precisely maintain the desired flowrate.Type: GrantFiled: September 30, 2020Date of Patent: April 23, 2024Inventor: Fernando A. Ubidia
-
Patent number: 11959492Abstract: A pump assembly and method of cooling process air generated by the pump. The assembly includes a pump and a motor coupled by a gear arrangement. The pump has a cooling air intake and a cooling air exhaust and a process air intake and a process air discharge. The assembly also includes a heat exchanger having a process air inlet and a process air outlet. The assembly includes isolated first and second regions such that within the first region the cooling air exhaust of the pump is positioned at a first stage of tubing within the heat exchanger and further such that within the second region the cooling air intake of the pump is positioned at a second stage of tubing within the heat exchanger.Type: GrantFiled: November 5, 2019Date of Patent: April 16, 2024Assignee: Powerex-Iwata Air Technology, Inc.Inventors: Abbey Soulek, Aaron Hunter, Joseph A. Abt, Jeff Heyser
-
Patent number: 11946467Abstract: Various embodiments provide a device for measuring the flow of fluid inside a tube moved by a peristaltic pump is provided with: a detection electrode arrangement coupled to the tube to detect an electrostatic charge variation originated by the mechanical action of the peristaltic pump on the tube; a signal processing stage, electrically coupled to the detection electrode arrangement to generate an electrical charge variation signal; and a processing unit, coupled to the signal processing stage to receive and process in the frequency domain the electrical charge variation signal to obtain information on the flow of a fluid that flows through the tube based on the analysis of frequency characteristics of the electrical charge variation signal.Type: GrantFiled: November 4, 2021Date of Patent: April 2, 2024Assignee: STMICROELECTRONICS S.r.l.Inventors: Michele Alessio Dellutri, Fabio Passaniti, Enrico Rosario Alessi
-
Patent number: 11939972Abstract: A rotor assembly for a peristaltic pump is provided. The rotor assembly includes a hub configured to couple with a drive shaft of a pump. The hub includes at least one receiving slot that extends longitudinally along an outer surface of the hub. The rotor assembly further includes a roller assembly configured to slide longitudinally along the receiving slot to seat the roller assembly onto the hub.Type: GrantFiled: May 3, 2021Date of Patent: March 26, 2024Assignee: BLUE-WHITE INDUSTRIES, LTD.Inventors: John T. Nguyen, Robert E. Gledhill, III
-
Patent number: 11939969Abstract: A pump includes a vibrating plate, a flow path forming member, a pump chamber, and a film valve. The vibrating plate is provided with a piezoelectric element, vibrates due to distortion of the piezoelectric element, and has a gap on an outer periphery. The flow path forming member is disposed so as to face the vibrating plate, and has a hole in a portion facing the vibrating plate. The pump chamber is surrounded by the vibrating plate and the flow path forming member, and has a central space communicating with the hole and an outer edge space communicating with the gap. The film valve is disposed in the pump chamber. The film valve is in contact with the vibrating plate and the flow path forming member when a pressure in the central space is lower than a pressure in the outer edge space.Type: GrantFiled: December 28, 2022Date of Patent: March 26, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Masaaki Fujisaki, Nobuhira Tanaka
-
Patent number: 11933317Abstract: Low-flow fluid delivery system. The system includes a pump assembly comprising a pump mechanism having an inlet side and an outlet side, wherein the inlet side is configured to fluidly couple to a fluid supply. The system further includes a pressure sensor operably coupled to the outlet side and configured to measure a fluid pressure at the outlet side. An actuator mechanically is coupled to the pump mechanism to drive the pump mechanism. A controller is coupled to the pressure sensor, wherein the controller is configured with a preselected set of fluid pressure set points and one or more preselected sets of fluid flow rates and wherein the controller is further configured to control the actuator to increase a fluid flow rate to a first flow rate in the preselected set of fluid flow rates when the fluid pressure at the outlet side falls to a lower one of corresponding fluid pressure set point in the preselected set of fluid pressure set points.Type: GrantFiled: March 21, 2018Date of Patent: March 19, 2024Assignee: GEYSER TECHNOLOGIES, LLCInventor: Jonathan Ballesteros
-
Patent number: 11920575Abstract: A pump for inflating tires with air is provided. The pump includes a body having a base and a top portion and a cutout configured to receive a tire of a bicycle. The base is configured to be anchored to the ground. The pump includes a handle assembly including a piston rod and a handle bar. The pump includes a tube positioned in the body and secured to at least one plate in the body. The tube slidably receives the piston rod and is connected to an air line. The pump includes a hose connected to the air line and extending from the body. The hose has a head configured to engage a nozzle of the tire. When the piston rod is moved downward within the tube, air is displaced from the tube and through the air line to the hose such that the head dispenses air.Type: GrantFiled: August 24, 2022Date of Patent: March 5, 2024Assignee: Everlast Climbing Industries, Inc.Inventor: Joel Greenblatt
-
Patent number: 11913443Abstract: A pumping apparatus 1 for dispensing a flowable product comprises first and second peristaltic pumps 12, 14. The first peristaltic pump 12 comprises a first rotor 18 having at least one pressing member 20, a first cylindrical stator 19 in which the first rotor 18 is rotatable and first flexible tubing 30 extending circumferentially around the first stator 19 against a first inner wall 19a. The second peristaltic pump 14 comprises a second rotor 42 having at least one pressing member 46, a second cylindrical stator 44 in which the second rotor 42 is rotatable and second flexible tubing 54 extending circumferentially around the second stator 44 against a second inner wall 44a. The first and second inner walls 19a, 44a each have a first and second radius r1, r2 respectively with the first radius r1 being greater than the second radius r2, and at least one of the stators 19, 44 is movable relative to the other stator 19, 44.Type: GrantFiled: March 28, 2019Date of Patent: February 27, 2024Assignee: HODGES & DRAKE DESIGN LTDInventors: Ronan Wilde, Kevin Hodges
-
Patent number: 11898548Abstract: Diaphragm pump features upper/lower diaphragm pumping assemblies (U/LDPAs) for pumping fluid and a manifold assembly arranged therebetween. The manifold assembly include a manifold body having an inlet with dual inlet ports and an inlet chamber to receive the fluid from a source; an inlet check valve assembly channel having an inlet duckbill check valve assembly (DCVA) arranged therein to receive the fluid from the dual inlet ports; U/LDPAs orifices having the U/LDPA arranged therein to receive the fluid from the inlet DCVA via first upper/lower manifold conduits and provide the fluid from the U/LDPAs via second upper/lower manifold conduits; an outlet check valve assembly channel having an outlet DCVA arranged therein to receive the fluid from the U/LDPAs; and an outlet having dual outlet ports and an outlet chamber to receive the fluid from the U/LDPAs and provide the fluid from the pump to a outlet source.Type: GrantFiled: January 21, 2020Date of Patent: February 13, 2024Assignee: FLOW CONTROL LLCInventors: Humberto V. Meza, Derrick T. Tran, Bernard L Perkins
-
Patent number: 11885323Abstract: Linear peristaltic pumps for use with fluidic cartridges. An apparatus includes a reagent cartridge configured to be received within a cartridge receptacle of a system. The reagent cartridge includes a reagent reservoir and a body including a surface that forms depressions. Each depression has a fluid inlet and a fluid outlet and is fluidly coupled to at least one other depression. The reagent cartridge also includes a deformable material coupled to the surface of the body and includes portions. Each portion covers one of the depressions to define chambers. The portions of the deformable material are movable relative to the depressions between a first position outside of a dimensional envelope of the body and a second position within the dimensional envelope of the body.Type: GrantFiled: May 15, 2020Date of Patent: January 30, 2024Assignee: ILLUMINA, INC.Inventors: Cameron Mar, Wesley A. Cox-Muranami, Steven Hendrix, Cyril Delattre
-
Patent number: 11879467Abstract: Disclosed is a system for creating a fog. In one nonlimiting example embodiment, the system includes a pump, a motor configured to drive the pump, a first controller configured to control the motor, a reservoir configured to hold a liquid, a first conduit configured to transfer the liquid to the pump, a second conduit configured to transfer the liquid from the pump to a nozzle, a high pressure sensor configured to detect pressure within the system, wherein the nozzle includes a surface upon which the liquid shatters and turns into the fog and wherein a pressure on a pressure side of the pump does not exceed 3000 psi.Type: GrantFiled: December 4, 2020Date of Patent: January 23, 2024Inventor: Dana P. Dunklau
-
Patent number: 11867169Abstract: 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.Type: GrantFiled: June 15, 2022Date of Patent: January 9, 2024Assignee: PDC Machines, Inc.Inventors: Guy Babbitt, Garrett Casassa, Bryce Whitehill, Alex Beckerman, Kristina Weyer, Chris Turner, Kareem Afzal, Christopher Basilico
-
Patent number: 11846279Abstract: Aspects are provided for positive displacement pumps and methods and systems for controlling such positive displacement pumps for accurate volume dispensing. The pump may run a calibration procedure to determine a mapping between a pump speed and a flow rate for a current configuration of the positive displacement pump, a tubing size, and a fluid characteristic. A pump controller may determine a pump motion profile based on the mapping. The pump motion profile includes an acceleration phase, a constant speed phase, and a deceleration phase such that a total volume pumped according to the pump motion profile and the mapping is equal to a target volume. The pump controller may determine an adjustment to the pump motion profile based on a constant flow rate measured during operation. The pump controller may decelerate the positive displacement pump according to the adjusted pump motion profile until the target volume is dispensed.Type: GrantFiled: January 29, 2021Date of Patent: December 19, 2023Assignee: Masterflex, LLCInventor: Phuong Le Pham
-
Patent number: 11835036Abstract: A piston for a pump and a pump are provided. A piston bladder (2) of the piston is cylindrical in shape, a chamber (20) is a cylindrical chamber, the chamber (20) has as inner diameter of 9.2±0.5 mm, the chamber (20) has a depth of 3.8±0.5 mm, the piston bladder (2) has a wall with a thickness of 0.5±0.3 mm, and the piston bladder (2) has an outer circumferential surface, a part of the outer circumferential surface connected to a base plate (1) protrudes outwards radially to form a protective sleeve (21).Type: GrantFiled: March 30, 2017Date of Patent: December 5, 2023Assignee: XIAMEN KOGE MICRO TECH CO., LTD.Inventors: Kunlin Chang, Chunlian Wang
-
Patent number: 11829165Abstract: The invention relates to a pressurization unit for use in processing equipment handling high pressure fluid, where the pressurization unit comprises at least one inlet and an outlet, the pressurization unit being adapted to receive a feed fluid at a feed pressure level at the inlet, being adapted to isolate the received feed fluid from the inlet and from the outlet and being adapted to increase the pressure of the fluid to a higher predetermined level and further being adapted to output the fluid through the outlet into the high pressure process while still isolated towards the inlet.Type: GrantFiled: February 8, 2018Date of Patent: November 28, 2023Assignee: STEEPER ENERGY APSInventors: Steen Brummerstedt Iversen, Henrik Egholm
-
Patent number: 11815081Abstract: A method of controlling the injection of hydraulic fluid into a high pressure diaphragm compressor having a hydraulic system, the method including: measuring a representation of pressure in a high-pressure part of the hydraulic system of the diaphragm compressor, and maintaining a desired pressure in the high-pressure part of the hydraulic system by adding hydraulic fluid to the high-pressure part of the hydraulic system under the control of a controller on the basis of the measuring of pressure.Type: GrantFiled: June 28, 2018Date of Patent: November 14, 2023Assignee: NEL HYDROGEN A/SInventors: Joshua Andrew Adams, Alexander George Murashko, Jr.
-
Patent number: 11813427Abstract: A method of dispensing a therapeutic fluid from a line includes providing an inlet line connectable to an upstream fluid source. The inlet line is in downstream fluid communication with a pumping chamber. The pumping chamber has a pump outlet. The method also includes actuating a force application assembly so as to restrict retrograde flow of fluid through the inlet while pressurizing the pumping chamber to urge flow through the pump outlet. A corresponding system employs the method.Type: GrantFiled: April 12, 2021Date of Patent: November 14, 2023Assignee: DEKA PRODUCTS LIMITED PARTNERSHIPInventors: Dean Kamen, Larry Brian Gray, Eric Yeaton
-
Patent number: 11795931Abstract: A fluid control device includes a valve, a pump and a film valve. The valve includes a first main plate, a second main plate, a first side plate, and a valve chamber. The first main plate has a first vent hole, and the second main plate has a second vent hole. The film valve is disposed in the valve chamber. The first vent hole is positioned in a central region of the valve chamber, and the second vent hole is positioned in an outer end region of the valve chamber. The film valve is positioned between the first vent hole and the second vent hole. The film valve is fixed to the second main plate in a state in which an end portion on a side of the outer end region or an end portion on a side of the central region is capable of vibrating.Type: GrantFiled: November 3, 2020Date of Patent: October 24, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Nobuhira Tanaka, Masaaki Fujisaki
-
Patent number: 11795932Abstract: A double-roller hose pressing apparatus for a peristaltic pump is provided. Two sides of a working hose (3) in the peristaltic pump are respectively provided with a set of flexible-rolling rollers (2) configured for pressing hose, and the two sets of rollers (2) are arranged in relative positions to clamp the working hose (3) during operation.Type: GrantFiled: July 11, 2019Date of Patent: October 24, 2023Assignee: HUNAN ZENITHSUN TECHNOLOGY CO., LTDInventors: Zhen Liu, Bo Yang, Haijun Tao, Weiquan Cheng
-
Patent number: 11795934Abstract: A pump includes a housing, a first vibrating body, a second vibrating body, and a peripheral wall portion that define a pump chamber, and a driving body. The housing has a first wall portion opposed to the first vibrating body and a second wall portion. The first wall portion includes a first concave portion that opens toward the first vibrating body and opposed to a central portion of the first vibrating body and a first circumferential portion adjacent to the first concave portion. A first chamber includes a first wide portion defined by the first concave portion and the first vibrating body, and a first narrow portion defined by the first circumferential portion and the first vibrating body. The first narrow portion overlaps with at least part of the first vibrating body.Type: GrantFiled: June 22, 2020Date of Patent: October 24, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Daisuke Kondo, Hiroaki Wada, Nobuhira Tanaka, Hiroyuki Yokoi, Hiroki Achiwa, Hiroshi Takemura