A controller for controlling a vacuum generator in a vacuum system for transportation of objects, which vacuum system comprises a vacuum generator driven by a compressed air flow via a first on/off valve, to supply vacuum to a vacuum gripper, the vacuum system comprises a second valve arranged to supply compressed air into the vacuum system; a pressure sensor for monitoring a system-pressure inside a vacuum chamber; and the controller that is arranged to communicate with the first on/off valve, the second valve and the pressure sensor; and when the on/off valve is not flowing air to the vacuum generator, and the controller indicates a state of no vacuum generation, and if a fluctuation from a pressure-equilibrium to a negative time-derivative of the system-pressure is detected, the controller is arranged to activate the second valve, allowing compressed air to flow into the vacuum-chamber for compensation to re-establish the pressure-equilibrium.

A vacuum generator driven by compressed air flow and arranged to supply vacuum to a vacuum gripper, wherein a vacuum flow connection is associated with the vacuum generator and arranged to be brought in flow connection with the vacuum gripper in order to supply vacuum to the vacuum gripper in result of the compressed air flow, wherein the flow connection in addition comprises a second connection arranged to supply a compressed air flow to the vacuum gripper, and wherein the flow connection comprises a valve which is actuated by a spring force in a lower position and to open the connection to the vacuum gripper and arranged to close the connection in result of an air pressure from a compressed air flow in the second connection in a higher position.

A controller (5) for controlling a vacuum generator (3) in a vacuum system (10) for transportation of objects, which vacuum system (3) comprises a vacuum generator (3) driven by a compressed air flow via a first on/off valve (1), wherein the vacuum generator (3) via a vacuum chamber (11) being part of the vacuum system (10) is arranged to be brought in flow connection with the vacuum gripper means (6) comprised in the vacuum system (10), in order to supply vacuum to the vacuum gripper means (6) in result of the compressed air flow, wherein the vacuum system (10) comprises a second valve (2) arranged to supply compressed air into the vacuum system (10); a pressure sensor (4) for monitoring (21) a system pressure (P) inside the vacuum chamber (11); and a vacuum system controller (5), wherein the controller (5) is arranged to communicate with the first on/off valve (1), the second valve (2) and the pressure sensor and when the on/off valve (1) is not flowing air to the vacuum generator (3), and the controller (5) indicates a state of no vacuum generation, and if a fluctuation from a pressure-equilibrium to a negative time-derivative of the system-pressure (P) is detected, the controller is arranged to activate the second valve (2), allowing an amount of compressed air to flow into the vacuum-chamber (11) for compensation to re-establish the pressure-equilibrium.

A vacuum generator (3) driven by compressed air flow and arranged to supply vacuum (VaC) to a vacuum gripper means, wherein a vacuum flow connection (1) is associated with the vacuum generator (3) and arranged to be brought in flow connection (VaC) with the vacuum gripper means in order to supply vacuum to the vacuum gripper means in result of the compressed air flow, wherein the flow connection (1) in addition comprises a second connection (8) arranged to supply a compressed air flow to the vacuum gripper means, and wherein the flow connection (1) comprises a valve (4) which is actuated by a spring force in a lower position (A) and to open said connection (1) to the vacuum gripper means and arranged to close the connection (1) in result of an air pressure from a compressed air flow (BP) in the second connection (8) in a higher position (B).

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.

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.