A pulse rotary cleaning device for cleaning carbon deposits inside cylinders

By designing a pulse rotation cleaning device, which utilizes an eccentric jet nozzle and a fan-shaped jet pattern to achieve all-round cleaning, and combining it with a vacuum cleaner to collect residues, the problem of low cleaning efficiency and secondary pollution in existing technologies has been solved, achieving efficient and pollution-free engine carbon deposit cleaning.

CN224282778UActive Publication Date: 2026-05-26HANGZHOU ZEDA AUTOMOBILE MAINTENANCE TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU ZEDA AUTOMOBILE MAINTENANCE TECHNOLOGY CO LTD
Filing Date
2025-02-10
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing technologies for cleaning engine carbon deposits suffer from problems such as low cleaning efficiency, secondary pollution from residues, large workload of disassembly and assembly, high cost, and impact on engine performance and lifespan, failing to meet the demand for efficient and pollution-free cleaning.

Method used

Design a pulse rotary cleaning device that uses a solenoid valve group to control the injection of compressed air or cleaning agent into the cylinder. It achieves all-round cleaning by using an eccentric nozzle and a fan-shaped spray pattern. Combined with a vacuum cleaner to collect residue, it avoids disassembly and assembly work. It uses pure air rinsing and quick-connect fittings for easy operation.

Benefits of technology

It achieves efficient cleaning of carbon deposits during engine operation, with no secondary pollution from residues. The cleaning time is short and the cost is low. It does not affect engine performance and lifespan, avoids the shortcomings of traditional methods, and improves cleaning efficiency by dozens of times.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model discloses a pulse rotary cleaning device for cleaning carbon deposits inside cylinders, relating to the field of engine carbon cleaning. It includes a valve seat and a pulse rotary cleaning assembly. The pulse rotary cleaning assembly includes a guide pipe connected to the outlet end of the valve seat. The outlet end of the guide pipe is connected to an injection pipe via an injection pipe housing. The injection pipe is movably disposed within the injection pipe housing. One end of the injection pipe extending beyond the housing is the injection pipe head. One or more eccentric side injection ports are provided on the side of the injection pipe head. This device, through the eccentric side injection ports on the injection pipe, enables the injection pipe to rotate under the push of compressed air, simultaneously causing the compressed air to rotate and spray out in a fan-shaped pattern. Each sprayed fan-shaped area partially intersects, performing secondary cleaning and achieving 360° circumferential cleaning of the combustion chamber space. Furthermore, the vortex airflow generated by the eccentric compressed air flow through the eccentric injection ports blows away residues from the combustion chamber in all directions.
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