# US 2023/0264362 A1 · Underwater cleaning robot system

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- Number: US 2023/0264362 A1
- Document ID: US20230264362A1
- Status: Published application
- Kind: A1
- Application number: 18/006,953
- Filed: 2021-08-06
- Published: 2023-08-24
- Earliest claimed: 2020-08-06
- Assignees: Deepinfar Ocean Technology Inc.
- Applicants: Deepinfar Ocean Technology Inc.
- Inventors: Jiancang WEI; Yongqiang ZHANG; Chao CHEN; Cuifang XIE
- Web page: https://patentgrep.com/patent/US20230264362A1

## CPC

- B25J 11/0085: {Cleaning}
- B63B 59/08: of underwater surfaces while afloat (B63B59/10 takes precedence)
- B08B 3/02: Cleaning by the force of jets or sprays
- B08B 3/024: {Cleaning by means of spray elements moving over the surface to be cleaned}
- B25J 19/0075: {Means for protecting the manipulator from its environment or vice versa}
- B25J 19/02: Sensing devices
- B25J: MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES ({manipulators specially adapted for use in surgery A61B34/70; manipulators used in cleaning hollow articles B08B9/04}; manipulators associated with rolling mills B21B39/20; manipulators associated with forging machines B21J13/10; {manipulators associated with picking-up and placing mechanisms B23P19/007}; means for holding wheels or parts thereof B60B30/00; {vehicles with ground-engaging propulsion means, e.g. walking members B62D57/02, B62D57/032; devices for picking-up and depositing articles or materials between conveyors B65G47/90, B65G47/91; manipulators with gripping or holding means for transferring packages B65H67/065}; cranes B66C; {manipulators used in the protection or supervision of pipe-line installations F17D5/00; walking equipment adapted for nuclear steam-generators F22B37/006}; manipulators specially adapted for, or associated with, nuclear reactors G21C; {apparatus used for handling wafers during manufacture or treatment of semiconductor H10P72/50})
- B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06)
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL

## Abstract

An underwater cleaning robot system includes an underwater robot and an overwater control platform, the underwater robot includes a cleaning robot and a driving robot, and the cleaning robot is carried on the driving robot; and the cleaning robot includes a motor and a pump, the pump is connected to the motor and driven by the motor to generate high-pressure fluid, and the overwater control platform communicates with the cleaning robot and the driving robot to control the cleaning robot and the driving robot. The overwater control platform and the underwater robot are connected by a thin zero-buoyancy cable, and the working range is over 1000 meters.

## Claims

### Claim at position 1

1-10. (canceled)

### Claim 11

An underwater cleaning robot system, comprising: an underwater robot and an overwater control platform, the underwater robot comprising a cleaning robot and a driving robot, and the cleaning robot being carried on the driving robot, wherein
the cleaning robot comprises a motor and a pump, and the pump is connected to the motor and driven by the motor to generate high-pressure fluid; and
the overwater control platform communicates with the cleaning robot and the driving robot to control the cleaning robot and the driving robot.

### Claim 12 (depends on 11)

The underwater cleaning robot system of claim 11, wherein the motor comprises a high-voltage frameless, brushless motor.

### Claim 13 (depends on 11)

The underwater cleaning robot system of claim 11, further comprising a spray gun, wherein the pump comprises a plunger pump connected to the spray gun to deliver the high-pressure fluid to the spray gun.

### Claim 14 (depends on 11)

The underwater cleaning robot system of claim 11, wherein the pump further comprises a filtering device connected to a water inlet of the pump.

### Claim 15 (depends on 11)

The underwater cleaning robot system of claim 11, wherein the cleaning robot comprises a controller communicating with the overwater control platform to control the motor.

### Claim 16 (depends on 15)

The underwater cleaning robot system of claim 15, wherein the cleaning robot further comprises a pressure sensor for detecting a pressure in the pump, the pressure sensor in signal connection with the controller to transmit pressure data in the pump to the controller.

### Claim 17 (depends on 11)

The underwater cleaning robot system of claim 11, further comprising a decelerator connected to the motor and the pump, wherein the motor and the decelerator drive the pump to generate a specified constant high pressure.

### Claim 18 (depends on 11)

The underwater cleaning robot system of claim 11, further comprising a zero-buoyancy cable connected to the overwater control platform, the cleaning robot, and the driving robot to facilitate communication between the overwater control platform, the cleaning robot, and the driving robot.

### Claim 19 (depends on 18)

The underwater cleaning robot system of claim 18, wherein the cleaning robot comprises a watertight joint for tight connection between the cleaning robot and the zero-buoyancy cable.

### Claim 20 (depends on 11)

The underwater cleaning robot system of claim 11, further comprising a wireless connection device for communication between the overwater control platform, the driving robot, and the cleaning robot.