An ejector-type vacuum pump assembly having a stabilized membrane flow valve, a flow control unit having a stabilized membrane flow valve for use with the ejector-type vacuum pump of such assembly, and a method for controlling the vacuum level in the vacuum chamber of the ejector-type vacuum pump of the assembly.

The ejector-type vacuum pump assembly with a stabilized membrane flow valve and flow control unit efficiently manages energy consumption and vacuum levels, addressing issues with leaking surfaces and materials by using air pressure regulation and a control unit for stable vacuum control.

JP2026086344APending Publication Date: 2026-05-26PAIBO CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
PAIBO CO LTD
Filing Date
2025-10-07
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing ejector-type vacuum pumps face challenges in efficiently managing energy consumption and vacuum level control, particularly when handling leaking surfaces and materials, leading to potential object drop and material abrasion.

Method used

An ejector-type vacuum pump assembly with a stabilized membrane flow valve and flow control unit that uses air pressure to adjust the flow of pressurized air, minimizing energy consumption and maintaining a stable vacuum level without sliding parts, using a pressure sensor and control unit to regulate the vacuum chamber pressure.

Benefits of technology

The system achieves precise control of vacuum levels, reduces energy consumption, minimizes wear, and avoids fluctuations, ensuring stable gripping operations even with leaking surfaces and materials.

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Abstract

Disclosed is an ejector-type vacuum pump assembly comprising a stabilized membrane flow valve, wherein a pilot flow of pressurized air is used to regulate the main flow of pressurized air for driving the ejector-type vacuum pump. [Solution] A pilot flow is guided downstream of a membrane flow valve and supplied to the ejector of an ejector-type vacuum pump along with the main stream of pressurized air. The ejector-type vacuum pump assembly is primarily intended for automatic gripping operations using a suction gripping unit. Also disclosed are a flow control unit for controllably releasing the flow of pressurized air supplied to the ejector-type vacuum pump within the ejector-type vacuum pump assembly, and a method for controlling the vacuum level in the vacuum chamber of the ejector-type vacuum pump within the ejector-type vacuum pump assembly described herein.
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