# US 11,898,545 B2 · Venturi pump systems and methods to use same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,898,545 B2 - Document ID: US11898545B2 - Status: Granted - Kind: B2 - Application number: 16/908,395 - Filed: 2020-06-22 - Published: 2020-12-24 - Granted: 2024-02-13 - Earliest claimed: 2019-06-21 - Assignees: Brane Audio, LLC - Applicants: Brane Audio, LLC - Inventors: Joseph F. Pinkerton - Web page: https://patentgrep.com/patent/US11898545B2 ## CPC - F04B 41/06: Combinations of two or more pumps - F04B 35/00: Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for - F04B 43/046: {with piezoelectric drive} - F04F 5/16: displacing elastic fluids - F04F 7/00: Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein - H04R 23/00: Transducers other than those covered by groups H04R9/00 - H04R21/00 {(diaphragms for transducers of the distributed-mode type H04R7/045)} - F04B 45/047: Pumps having electric drive - F04B: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS (machines for liquids, or pumps, of rotary-piston or oscillating-piston type F04C; non-positive-displacement pumps F04D; pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped F04F) - F04F: PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED {(evacuating by sorption F04B)}; SIPHONS {(conveying materials in bulk by flows of gas, liquid of foam B65G53/00)} - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract Pumping systems that have pumping system units utilizing venturi pumps. Such pumping systems can be used in speakers, to propel drones, and other applications. Actuation of the venturi pumps can be by piezoelectric actuators, magnetic actuators, electrostatic actuators, and other similar actuators. ## Claims ### Claim 1 A system, wherein the system comprises a venturi pump system comprising: (a) a plurality of venturi pumps, wherein, for each venturi pump in the plurality of venturi pumps (i) the venturi pump comprises a membrane and a venturi nozzle, and (ii) movement of the membrane is operable to flow fluid by the venturi pump in and out of the venturi nozzle; (b) one or more lever arms that are operable to move the membranes of the venturi pumps in the plurality pumps; and (c) one or more actuators that are operable to power the venturi pumps in the plurality of venturi pumps by moving the one or more lever arms, wherein (i) each of the venturi pumps in the plurality of venturi pumps further comprises (A) a first panel, wherein the first panel comprises the venturi nozzle, (B) a pumping chamber that is bounded in part by the membrane, and (C) an intake channel, (ii) when the membrane is moved in a first direction, fluid flows from the pumping chamber, the fluid combines with fluid that flows from the intake channel, and the combined fluid flows through the venturi nozzle and out the venturi pump, and (iii) when the membrane is moved in the second direction, fluid flows into the venturi pump through the venturi nozzle, the fluid combines with fluid that flows from the intake channel, and the combined fluid flows into the pumping chamber. ### Claim 2 (depends on 1) The system of claim 1, wherein the one or more actuators are selected from a group consisting of piezoelectric actuators, magnetic actuators, electrostatic actuators, and combinations thereof. ### Claim 3 (depends on 1) The system of claim 1, wherein the one or more actuators are piezoelectric actuators. ### Claim 4 (depends on 1) The system of claim 1, wherein the pumping system comprises between 10 to 100 venturi pumps per actuator. ### Claim 5 (depends on 1) The system of claim 1, wherein (a) the one or more lever arms each has a first end; (b) for each of the lever arms, at least one of the one or more actuators is positioned at or near the first end of the lever arm. ### Claim 6 (depends on 5) The system of claim 5, wherein each of the venturi pumps is located at or near a second end of one or more of the lever arms. ### Claim 7 (depends on 5) The system of claim 5, wherein the one or more lever arms displace the membranes of each of the venturi pumps at least 5 times the displacement of the actuators. ### Claim 8 (depends on 5) The system of claim 5, wherein the one or more lever arms displace the membranes of each of the venturi pumps at least 10 times the displacement of the actuators. ### Claim 9 (depends on 1) The system of claim 1, wherein the one or more lever arms are made of a material selected from a group consisting of steel, aluminum, fiberglass, and combinations thereof. ### Claim 10 (depends on 1) The system of claim 1, wherein the fluid is air. ### Claim 11 (depends on 1) The system of claim 1, wherein (a) each of the venturi pumps in the plurality of venturi pumps further comprises a displacement rod in contact with the respective membrane and is operable to move along the membrane to change the volume of the pumping chamber, and (b) the displacement rod for each venturi pump is operatively connected to at least one of the one or more lever arms and is operatively moveable by at least one of the one or more lever arms. ### Claim 12 (depends on 1) The system of claim 1, wherein the venturi pump system is operable for pumping at a pumping frequency between 10 kHz and 50 kHz. ### Claim 13 (depends on 12) The system of claim 12, wherein the system comprises two venturi pump systems that operate at a pumping frequency that are 180 degrees out of phase with one another. ### Claim 14 (depends on 1) The system of claim 1, wherein the system is an audio system that can produce sound at an audio frequency in the range of 20 to 2000 Hz. ### Claim 15 (depends on 1) The system of claim 1, wherein the system comprises a plurality of venturi pump systems. ### Claim 16 A method comprising utilizing a system having a venturi pump system, wherein (a) the venturi pump system comprises (i) a plurality of venturi pumps, wherein each of the venturi pumps comprises a membrane and a venturi nozzle, (ii) one or more lever arms, and (iii) one or more actuators; (b) utilizing the system comprises utilizing the one or more actuators to move the one or more lever arms, wherein the movement by the one or more lever arms moves the membranes of the venturi pumps to flow fluid in and out of the venturi nozzles, wherein (i) each of the venturi pumps in the plurality of venturi pumps further comprise (A) a first panel, wherein the first panel comprises the venturi nozzle, (B) a pumping chamber that is bounded in part by the membrane, and (C) an intake channel, (ii) utilizing the system comprises utilizing the one or more actuators to move one or more of the lever arms to move the membrane of the venturi pump in a first direction to flow fluid from the pumping chamber, combines the fluid with fluid that flows from the intake channel, and flows the combined fluid through the venturi nozzle and out the venturi pump; and (iii) utilizing the system comprises utilizing the one or more actuators to move one or more of the lever arms to move the membrane of the venturi pump in a second direction to flow fluid into the venturi pump through the venturi nozzle, combine the fluid with fluid that flows from the intake channel, and flows the combined fluid into the pumping chamber. ### Claim 17 (depends on 16) The method of claim 16 wherein the one or more actuators are selected from a group consisting of piezoelectric actuators, magnetic actuators, electrostatic actuators, and combinations thereof. ### Claim 18 (depends on 17) The method of claim 17, wherein the one or more actuators are piezoelectric actuators. ### Claim 19 (depends on 16) The method of claim 16, wherein the fluid is air. ### Claim 20 (depends on 16) The method of claim 16, wherein each of the venturi pumps is operated at a pumping frequency of 10 kHz and 50 kHz. ### Claim 21 (depends on 16) The method of claim 16, wherein (a) the system comprises two venturi pump systems; and (b) the two venturi pump systems are operated at a pumping frequency that are 180 degrees out of phase with one another. ### Claim 22 A system comprising a venturi pump system, wherein the venturi pump system comprises: (a) a plurality of venturi pumps, wherein, for each of the venturi pumps in the plurality of venturi pumps (i) the venturi pump comprises a membrane and a venturi nozzle, and (ii) movement of the membrane is operable to flow fluid by the venturi pump in and out of the venturi nozzle; (b) a piezoelectric actuator; and (c) a mechanical structure that connects the piezoelectric actuator to one or more venturi pumps in the plurality of venturi pumps, wherein (i) each of the venturi pumps in the plurality of venturi pumps further comprise (A) a first panel, wherein the first panel comprises the venturi nozzle, (B) a pumping chamber that is bounded in part by the membrane, and (C) an intake channel, (ii) when the membrane is moved in a first direction, fluid flows from the pumping chamber, the fluid combines with fluid that flows from the intake channel, and the combined fluid flows through the venturi nozzle and out the venturi pump, and (iii) when the membrane is moved in the second direction, fluid flows into the venturi pump through the venturi nozzle, the fluid combines with fluid that flows from the intake channel, and the combined fluid flows into the pumping chamber. ### Claim 23 (depends on 22) The system of claim 22, wherein (a) the venturi pump system further comprises one or more additional piezoelectric actuators, (b) for each of the one or more additional piezoelectric actuators, the mechanical structure connects each of the additional piezoelectric actuators to one or more venturi pumps in the plurality of venturi pumps. ### Claim 24 (depends on 23) The system of claim 23, wherein a ratio of (a) the venturi pumps to (b) the piezoelectric actuator and the one or more additional piezoelectric actuators that are connected by the mechanical structure is at least 4 to 1. ### Claim 25 (depends on 22) The system of claim 22, wherein the mechanical structure connects the piezoelectric actuator to at least five venturi pumps in the plurality of venturi pumps. ### Claim 26 (depends on 25) The system of claim 25, wherein the mechanical structure connects the piezoelectric actuator to at least ten venturi pumps in the plurality of venturi pumps. ### Claim 27 (depends on 22) The system of claim 22, wherein the mechanical structure is a grid structure. ### Claim 28 (depends on 22) The system of claim 22, wherein the mechanical structure is a beam structure.