# US 2024/0199221 A1 · Elliptical ultrasound vibration based cooling and deicing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0199221 A1 - Document ID: US20240199221A1 - Status: Published application - Kind: A1 - Application number: 18/542,029 - Filed: 2023-12-15 - Published: 2024-06-20 - Earliest claimed: 2022-12-16 - Assignees: Eaton Intelligent Power Limited - Applicants: Eaton Intelligent Power Limited - Inventors: Sandip Prakash PATIL; Makrand Narayan YAROLKAR - Web page: https://patentgrep.com/patent/US20240199221A1 ## CPC - B64D 33/08: of power plant cooling systems - B06B 1/06: operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per se H10N30/00) - B06B 1/0603: {using a piezoelectric bender, e.g. bimorph} - B06B 1/0607: {using multiple elements (B06B1/064 and B06B1/0688 take precedence)} - B64D 15/163: {using electro-impulsive devices} - B06B 2201/70: Specific application - B64D 27/34: All-electric aircraft - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) ## Abstract A cooling system including a heat load; a supply line supplying a cold coolant to the heat load, wherein the cold coolant receives heat from the heat load and becomes a hot coolant, a return line receiving the hot coolant from the heat load, a transducer generating elliptical ultrasonic waves, and a horn coupled to the receiving line and receiving the hot coolant, wherein the horn conveys the elliptical ultrasonic waves to the hot coolant. The hot coolant, in response to the horn conveying the elliptical ultrasonic waves, undergoes heat loss through convection. Elliptical ultrasonic waves are provided by a transducer combining a longitudinal actuator and a bending actuator. ## Claims ### Claim 1 A cooling system comprising: a heat load; a supply line supplying a cold coolant to the heat load, wherein the cold coolant receives heat from the heat load and becomes a hot coolant; a return line receiving the hot coolant from the heat load; a transducer generating elliptical ultrasonic waves; and a horn coupled to the receiving line and receiving the hot coolant, wherein the horn conveys the elliptical ultrasonic waves to the hot coolant. ### Claim 2 (depends on 1) The cooling system of claim 1, wherein the hot coolant, in response to the horn conveying the elliptical ultrasonic waves, undergoes heat loss through convection. ### Claim 3 (depends on 1) The cooling system of claim 1, wherein the transducer comprises at least two actuators. ### Claim 4 (depends on 3) The cooling system of claim 3, wherein the at least two actuators comprises a longitudinal actuator. ### Claim 5 (depends on 3) The cooling system of claim 3, wherein the at least two actuators comprises a bending actuator. ### Claim 6 (depends on 3) The cooling system of claim 3, wherein the at least two actuators comprises a longitudinal actuator and a bending actuator. ### Claim 7 (depends on 1) The cooling system of claim 1, wherein the transducer generates elliptical ultrasonic waves with a frequency of at least 20 kHz. ### Claim 8 (depends on 7) The cooling system of claim 7, wherein the transducer generates elliptical ultrasonic waves with a frequency in the range of 20-100 kHz. ### Claim 9 (depends on 1) The cooling system of claim 1, wherein the transducer generates elliptical ultrasonic waves with an amplitude of no more than 20 micrometers. ### Claim 10 (depends on 9) The cooling system of claim 9, wherein the transducer generates elliptical ultrasonic waves with an amplitude in a range of 2-20 micrometers. ### Claim 11 (depends on 11) The cooling system of claim 11, wherein the transducer generates elliptical ultrasonic waves with a frequency in the range of 20-100 kHz. ### Claim 12 (depends on 1) The cooling system of claim 1, further comprising: a surface subject to ice formation, wherein the horn is coupled to the surface and conveys the elliptical waves to the surface. ### Claim 13 A system for ice removal comprising: an ultrasonic generator; a transducer, powered by the ultrasonic generator, providing elliptical ultrasonic waves; and a horn coupled to a surface subject to ice formation and conveying the elliptical waves to the surface. ### Claim 14 (depends on 13) The system of claim 13, wherein the surface is a wing surface. ### Claim 15 (depends on 14) The system of claim 14, wherein the horn is couple to the wing surface such that the horn is internally mounted on the wing. ### Claim 16 (depends on 14) The system of claim 14, wherein the horn is couple to the wing surface such that the horn is externally mounted on the wing. ### Claim 17 A method of supplying cooling using elliptical ultrasound vibrations comprising: receiving, by a horn via an integrated coolant line, a return of a heated coolant from a heat source; and conveying, by the horn, elliptical ultrasonic waves from a transducer to the heated coolant. ### Claim 18 (depends on 17) The method of claim 17, wherein the transducer comprises at least two actuators. ### Claim 19 (depends on 18) The method of claim 18, wherein the at least two actuators comprises a longitudinal actuator and a bending actuator. ### Claim 20 (depends on 17) The method of claim 17, wherein the transducer generates elliptical ultrasonic waves with a frequency of at least 20 kHz.