Vacuum extraction for material sorting applications

Patent metadata

Field	Value
Publication number	US-11136223-B2
Application number	US-201916559299-A
Country	US
Kind code	B2
Filing date	Sep 3, 2019
Priority date	Sep 18, 2018
Publication date	Oct 5, 2021
Grant date	Oct 5, 2021

Abstract

Systems and methods for vacuum extraction for material sorting applications are provided. In one embodiments, a vacuum object sorting system comprises: a vacuum extraction assembly that includes at least one vacuum extractor device having an inlet and an outlet, wherein the at least one vacuum extractor device is configured to convert a controlled compressed air stream into a channeled vacuum airflow entering the inlet and exiting the outlet; and an object recognition device coupled to sorting control logic and electronics, wherein the controlled compressed air stream is controlled in response to a signal generated by the object recognition device; wherein the at least one vacuum extractor device is configured to capture a target object identified by the sorting control logic and electronics utilizing the channeled vacuum airflow, and further utilizing the channeled vacuum airflow, to pass the target object through the inlet and outlet to a deposit location.

First claim

What is claimed is:

1. A vacuum object sorting system, the system comprising:
a vacuum extraction assembly that includes at least one vacuum extractor device having an inlet and an outlet, wherein the at least one vacuum extractor device is configured to convert a controlled compressed air stream into a channeled vacuum airflow entering the inlet and exiting the outlet; and
an object recognition device coupled to sorting control logic and electronics, wherein the controlled compressed air stream is controlled by the sorting control logic and electronics in response to a signal generated by the object recognition device;
wherein the at least one vacuum extractor device is configured to capture a target object identified by the sorting control logic and electronics utilizing the channeled vacuum airflow, and further utilizing the channeled vacuum airflow, to pass the target object through the inlet and the outlet to a deposit location, wherein the at least one vacuum extractor device comprises a sensor that detects when the target object passes through the at least one vacuum extractor device.

2. The system of claim 1 , wherein the vacuum extraction assembly comprises a plurality of vacuum extractor devices individually operated by the sorting control logic and electronics via a respective controlled compressed air stream.

3. The system of claim 2 , wherein a first vacuum extractor device of the plurality of vacuum extractor devices is selected for operation to capture the target object based on a characteristic of the target object identified by the sorting control logic and electronics.

4. The system of claim 3 , wherein the characteristic comprises one or more of a size, a shape, an orientation, a material type, or a material composition of the target object.

5. The system of claim 1 , wherein the sensor sends a feedback signal to the sorting control logic and electronics;
wherein the sorting control logic and electronics controls the controlled compressed air stream in response to the feedback signal.

6. The system of claim 1 , wherein the sorting control logic and electronics detect an obstruction based on a feedback signal.

7. The system of claim 1 , wherein the object recognition device comprises at least one of:
a camera, an infrared camera, a non-visible electromagnetic radiation sensor, a magnetic sensor or a capacitive sensor.

8. The system of claim 1 , further comprising a conveyor mechanism configured to channel the target object past the object recognition device and towards the vacuum extraction assembly.

9. The system of claim 8 , wherein the conveyor mechanism comprises one or more raised features, recessed features, or perforation features, configured to provide airflow for intake into the channeled vacuum airflow.

10. The system of claim 1 , further comprising a ducting system coupled to the outlet of the at least one vacuum extractor device, wherein the ducting system is reconfigurable to direct individual target objects to one of a plurality of different receptacles.

11. The system of claim 1 , wherein the sorting control logic and electronics comprises one or more neural processing units, wherein the one or more neural processing units distinguish the target object from one or more non-target objects based on a neural network parameter set.

12. The system of claim 11 , wherein the one or more neural processing units further identify predefined characteristics of the target object based on the neural network parameter set.

13. A method for vacuum object sorting, the method comprising:
controlling a compressed air stream using sorting control logic and electronics in response to a signal generated by an object recognition device;
controlling the compressed air stream using sorting converting the controlled compressed air stream into a channeled vacuum airflow using a vacuum extraction assembly that includes one or more vacuum extractor devices each having an inlet and an outlet, wherein the channeled vacuum airflow enters the inlet and exits the outlet;
utilizing the channeled vacuum airflow to capture a target object identified by the sorting control logic and electronics by drawing the target object in through the inlet of a first vacuum extractor device of the one or more vacuum extractor devices and out through the outlet of the first vacuum extractor device, wherein the first vacuum extractor device comprises a sensor that detects when the target object passes through the first vacuum extractor device and sends a feedback signal to the sorting control logic and electronics;
controlling the controlled compressed air stream in response to the feedback signal; and
discharging the target object to a deposit location.

14. The method of claim 13 , wherein the vacuum extraction assembly comprises a plurality of vacuum extractor devices individually operated by the sorting control logic and electronics via a respective controlled compressed air stream.

15. The method of claim 14 , further comprising:
selecting the first vacuum extractor device for operation to capture the target object based on a characteristic of the target object identified by the sorting control logic and electronics.

16. The method of claim 13 , wherein the object recognition device comprises at least one of:
a camera, an infrared camera, a non-visible electromagnetic radiation sensor, a magnetic sensor, or a capacitive sensor.

17. The method of claim 13 , further comprising:
channeling the target object past the object recognition device and towards the vacuum extraction assembly utilizing a conveyor mechanism.

18. The method of claim 17 , wherein the conveyor mechanism comprises one or more raised features, recessed features, or perforation features, configured to provide airflow for intake into the channeled vacuum airflow.

19. A vacuum object sorting system, the system comprising:
a vacuum extraction assembly that includes at least one vacuum extractor device having an inlet and an outlet, wherein the at least one vacuum extractor device is configured to convert a controlled compressed air stream into a channeled vacuum airflow entering the inlet and exiting the outlet;
an object recognition device coupled to sorting control logic and electronics, wherein the controlled compressed air stream is controlled by the sorting control logic and electronics in response to a signal generated by the object recognition device;
wherein the at least one vacuum extractor device is configured to capture a target object identified by the sorting control logic and electronics utilizing the channeled vacuum airflow, and further utilizing the channeled vacuum airflow, to pass the target object through the inlet and the outlet to a deposit location; and
a ducting system coupled to the outlet of the at least one vacuum extractor device, wherein the ducting system is reconfigurable to direct individual target objects to one of a plurality of different receptacles.

20. The system of claim 19 , wherein the vacuum extraction assembly comprises a plurality of vacuum extractor devices individually operated by the sorting control logic and electronics via a respective controlled compressed air stream.

21. The system of claim 20 , wherein a first vacuum extractor device of the plurality of vacuum extractor devices is selected for operation to capture the target object based on a characteristic of the target object identified by the sorting control logic and electronics.

22. The system of claim 21 , whe

Assignees

• Amp Robotics Corp

Inventors

• Sato Moana
• Horowitz Matanya B
• Douglas Cameron

Classifications

• B66C1/0218

  Safety measures, e.g. sensors, duplicate functions · CPC title

• B66C1/0268 Primary

  Venturi effect · CPC title

• B66C1/025

  Divided cups · CPC title

• B07C5/368 Primary

  actuated independently · CPC title

• G06N3/06

  Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons · CPC title