# US 12,214,758 B2 · Automated fluid dispensing systems for cleaning vision-based surfaces > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,214,758 B2 - Document ID: US12214758B2 - Status: Granted - Kind: B2 - Application number: 17/175,264 - Filed: 2021-02-12 - Published: 2021-12-30 - Granted: 2025-02-04 - Earliest claimed: 2020-06-26 - Assignees: Clear Lens Robotics, Inc. - Applicants: Clear Lens Robotics, Inc. - Inventors: Demetris A Agrotis - Web page: https://patentgrep.com/patent/US12214758B2 ## CPC - B60S 1/481: {the operation of at least part of the liquid supply being controlled by electric means (electrical washing liquid warming-up means B60S1/488)} - B60S 1/54: using gas, e.g. hot air - B60Q 9/00: Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00 {, e.g. haptic signalling} - B60S 1/56: specially adapted for cleaning other parts or devices than front windows or windscreens {(rear-view mirror arrangements mounted on vehicle exterior including cleaning devices B60R1/0602)} - G05B 13/0265: {the criterion being a learning criterion} - G08B 21/12: responsive to undesired emission of substances, e.g. pollution alarms - B60S 1/52: Arrangement of nozzles; {Liquid spreading means}(nozzles per se B05B) - B60S: SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract An automated fluid dispensing system, apparatus and method may be configured to automatically clean one or more vision-based surfaces. The system may include a hardware controller, a plurality of sensors, manifold ports, a plurality of pressure supply lines, first, second, and third fluid sources, a compressed air source, first, second, and third valves, a nozzle array, or a combination thereof. The controller may be in communication with a plurality of sensors and be configured to receive and adapt to one or more environmental and vision conditions of the one or more vision-based surfaces. The system may include an automatic response system to provide adaptive operations in response to the information herein such as internal and external parameters and operate under one or multiple pulse-width modulation (PWM) dispensing sequences in response to a determined condition (e.g., contamination state or level) associated with one or more vision-based surfaces. ## Claims ### Claim 1 An automated fluid dispensing system for a vision-based surface, the system comprising: a controller in communication with a plurality of sensors configured to receive an environmental condition and a vision condition of the vision-based surface; a replaceable pre-pressurized container providing a pressurized air supply; a pressure manifold in communication with the replaceable pre-pressurized container, and a plurality of pressure supply lines; a distribution manifold; a distribution control in fluid communication with the distribution manifold; first, second, and third fluid-air sources having respective first, second, and third fluid-air types in a parallel arrangement between the pressure manifold and the distribution manifold, the first, second, and third fluid-air types including at least one of liquid and air, and the first, second, and third fluid-air sources being in communication with the pressurized air supply and respective ones of the plurality of pressure supply lines; first, second, and third valves in fluid communication with the respective first, second and third fluid-air sources; and a unitary nozzle in fluid communication, by way of the distribution control, with the first, second, and third fluid-air sources, the unitary nozzle being arranged according to the vision-based surface, wherein the controller is configured to: communicate with a plurality of sensors regarding an environmental condition, a vision condition, and a target vision area of the vision-based surface; automatically select a mixture type and an operation type according to the determined environmental condition, vision condition, and target vision area; selectively activate the first, second and third valves to release the first, second, and third fluid-air types according to the selected mixture type; mix, by the unitary nozzle in fluid communication with the distribution control, the first, second, and third fluid-air types of the respective first, second, and third fluid-air sources according to the selected mixture type; and automatically clean, by way of the unitary nozzle, the vision-based surface by distributing the selected mixture type of the first, second and third fluid-air types via the unitary nozzle to the target vision area using the selected operation type. ### Claim 2 (depends on 1) The system of claim 1, the controller further configured to: determine, by way of the plurality of sensors, the environmental condition, vision condition, and target vision area of the vision-based surface. ### Claim 3 (depends on 1) The system of claim 1, wherein the controller is further configured to automatically adjust in response to at least one of a user input and an external parameter. ### Claim 4 (depends on 1) The system of claim 1, wherein the plurality of sensors further includes at least one of a pressure sensor, a temperature sensor, fluid level sensor, humidity sensor, rain detection sensor, camera, GPS and LIDAR. ### Claim 5 (depends on 1) The system of claim 1, wherein the fluid sources include containers having respective bar codes, and further comprising an audiovisual indicator in communication with the controller, wherein the audiovisual indicator provides a visual or audio signal in response to a combination of fluid mediums being hazardous or explosive. ### Claim 6 (depends on 1) The system of claim 1, wherein the controller is configured to dynamically select and adjust, in real-time and during vehicle movement, one or more fluid mediums associated with the respective fluid sources. ### Claim 7 (depends on 1) The system of claim 1, wherein the controller is configured to respond to data of a vehicle command center. ### Claim 8 (depends on 1) The automated fluid dispensing system of claim 1, further comprising: the controller in communication with the plurality of sensors configured to receive the environmental condition and the vision condition of the vision-based surface, wherein the plurality of sensors includes a temperature sensor; a first heat source disposed upstream of the distribution manifold, and a second heat source disposed downstream of the distribution manifold; and wherein the controller is configured to selectively control the first heat source and the second heat source in response to the temperature sensor. ### Claim 9 An automated fluid dispensing apparatus for a vision-based surface, having a hardware controller, first, second, and third valves, a pressure manifold, first, second, and third fluid-air sources, a distribution control, a distribution manifold, and a unitary nozzle, and adapted to: provide fluid communication, by way of the distribution control, between the unitary nozzle and the first, second, and third fluid-air sources respectively having first, second, and third fluid-air types in a parallel arrangement between the pressure manifold and the distribution manifold; automatically determine, by the controller in communication with a plurality of sensors, a contaminant type disposed on a target vision area of the vision-based surface; automatically select, by the controller, a mixture type and an operation type according to the contaminant type disposed on the target vision area of the vision-based surface; selectively activate, by the controller in communication with the first, second and third valves, release of the first, second, and third fluid-air types according to the selected mixture type; mix, by the unitary nozzle in fluid communication with the distribution control, the first, second, and third fluid-air types of the respective first, second, and third fluid-air sources according to the selected mixture type; and automatically clean, by the controller in communication with the unitary nozzle, the vision-based surface by distributing the selected mixture type of the first, second and third fluid-air types via the unitary nozzle to the target vision area using the selected operation type. ### Claim 10 (depends on 9) The automated fluid dispensing apparatus of claim 9, further adapted to selectively pressurize, by a pressure source according to external parameters, at least the first, second, and third fluid-air types, wherein the pressure source includes a replaceable pre-pressurized container. ### Claim 11 (depends on 9) The automated fluid dispensing apparatus of claim 9, wherein the contaminant type disposed on the target vision area of the vision-based surface comprises a paint spray, and wherein the mixture type comprises one of a thinner or a solvent. ### Claim 12 An automated fluid dispensing system for a vision-based surface, comprising a controller, a plurality of sensors, first, second, and third valves, first, second, and third fluid-air sources, a distribution control, and a unitary nozzle, and adapted to: provide fluid communication between the unitary nozzle and the first, second, and third fluid-air sources respectively having first, second, and third fluid-air types; automatically determine, by the controller in communication with the plurality of sensors, an environmental condition, a vision condition, and a target vision area of the vision-based surface; receive an external vehicle signal of a vehicle having the vision condition in a common geographical location; automatically select, by the controller, a mixture type and an operation type according to the determined environmental condition, vision condition, and target vision area; selectively activate, by the controller in communication with the first, second and third valves, release of the first, second, and third fluid-air types according to the selected mixture type; mix, by the unitary nozzle in fluid communication with the distribution control, the first, second, and third fluid-air types of the respective first, second, and third fluid-air sources according to the selected mixture type; automatically clean, by the controller in communication with the unitary nozzle, the vision-based surface by distributing the selected mixture type of the first, second and third fluid-air types via the unitary nozzle to the target vision area using the selected operation type; determine an effectiveness of the selected operation type to clean the vision-based surface based upon a cleanliness threshold; and adapt the selected operation type based upon the effectiveness of the selected operation type to achieve the cleanliness threshold to clean the vision-based surface. ### Claim 13 (depends on 12) The automated fluid dispensing system of claim 12, wherein the controller is further adapted to: automatically determine an initial vision condition according to at least one of user inputs, sensor information, and external parameters; automatically select one or more cleaning parameters for at least one of fluid media type, fluid volume, air volume, injection time, mixture, applied pressure, temperature, spray time, and spray pattern; automatically deploy fluid according to the selections; determine an updated vision condition according to the at least one of user inputs, sensor information, and external parameters; compare the initial and updated vision conditions to a threshold; and adapt the cleaning parameters based on such comparison. ### Claim 14 (depends on 12) The automated fluid dispensing system of claim 12, wherein the controller is further adapted to selectively activate the first, second and third valves to distribute of the respective first, second and third fluid-air types to the target vision area in response to the plurality of sensors, and further comprising a pressure manifold and a distribution manifold, wherein the distribution control is in fluid communication with the distribution manifold, the first, second, and third fluid-air sources are in a parallel arrangement between the pressure manifold and the distribution manifold, the unitary nozzle is in fluid communication with the first, second, and third fluid-air sources by way of the distribution control, and the mixing is performed with the unitary nozzle in fluid communication with the distribution control. ### Claim 15 (depends on 12) The automated fluid dispensing system of claim 12, wherein the controller is further adapted to respond to at least one of user inputs, sensor inputs, and external inputs, and automatically adjust in response to external parameters. ### Claim 16 (depends on 12) The automated fluid dispensing system of claim 12, wherein the plurality of sensors includes at least one of a pressure sensor, a temperature sensor, fluid level sensor, humidity sensor, rain detection sensor, camera, GPS and LIDAR, and wherein the controller is further adapted to: provide a pressure source configured to pressurize the first, second, and third fluid-air types, wherein the pressure source includes a replaceable pre-pressurized container. ### Claim 17 (depends on 12) The automated fluid dispensing system of claim 12, wherein the fluid sources include containers having respective bar codes, and the controller is further adapted to: provide an audiovisual indicator in communication with the controller, and indicate, by the audiovisual indicator, a visual or audio signal in response to a combination of fluid-air types being hazardous or explosive. ### Claim 18 (depends on 12) The automated fluid dispensing system of claim 12, the controller being further adapted to dynamically select and adjust, by the controller in-real time and during vehicle movement, one or more fluid-air types associated with the respective fluid-air sources. ### Claim 19 (depends on 12) The automated fluid dispensing system of claim 12, the controller being further adapted to automatically respond, by the controller, to data of at least one of a vehicle command center and an intelligence source. ### Claim 20 (depends on 12) The automated fluid dispensing system of claim 12, the controller being further adapted to dynamically respond, by the controller without human intervention, to at least one of environmental conditions and external vehicle signals.