Portable gasoline generating set

Through the integrated design of external rotor structure and function, the problems of long axial length and complex structure of digital generator sets are solved, and the miniaturization and efficient operation of portable gasoline generator sets are achieved.

CN120351087APending Publication Date: 2025-07-22TSINGHUA UNIVERSITY
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Patent Information

Application Number
CN202510517301.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

The existing digital generator sets have a long axial length and complex structure, making it difficult to achieve miniaturization. The manual starter is located on the generator side, with a long transmission path, which increases the complexity of the system and the number of parts.

Method used

The integrated machine assembly with an external rotor structure is formed by combining a cooling fan and an ignition permanent magnet. The manual starter is located on one side of the engine assembly. The winding unit is designed to output the power frequency voltage and DC voltage simultaneously. The engine ignition, motor excitation and cooling functions are integrated through a series structure.

Benefits of technology

It realizes the miniaturization of portable gasoline generator sets, improves the starting torque and operating speed, simplifies the structure, reduces the number of parts, and improves the system integration and operating reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of generator sets, in particular to a portable gasoline generator set which comprises a starting all-in-one machine assembly, an engine assembly and a manual starting device. The starting all-in-one machine assembly comprises a stator support, a stator iron core, a rotor iron core, winding units, an excitation permanent magnet and an ignition permanent magnet, the stator iron core is fixed to an engine cylinder body and provided with three sets of winding units, the starting all-in-one machine assembly is of an outer rotor structure, and the excitation permanent magnet and the ignition permanent magnet are installed on the rotor iron core; the engine assembly comprises a cooling fan, an ignition coil and an engine cylinder body. The rotor structure, the ignition structure and the cooling fan form an integrated structure, parts of the generator set are reduced, the size of the generator set is reduced, miniaturization is facilitated, and the functions of engine ignition, motor excitation and cooling are achieved; an outer rotor structure is adopted, the system integration degree is improved, the starting torque and the running speed are improved, and the effect of stabilizing engine rotating speed fluctuation is achieved.
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