A servo valve flow passage system for heat dissipation and a servo valve

By integrating a flow channel system into the hydraulic servo valve and utilizing hydraulic oil for active heat dissipation, the problem of heat accumulation in the motor is solved, thereby improving the reliability and performance stability of the servo valve.

CN224414036UActive Publication Date: 2026-06-26HYFOSS TECHNOLOGY (SICHUAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HYFOSS TECHNOLOGY (SICHUAN) CO LTD
Filing Date
2025-08-28
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In high-performance hydraulic servo systems, heat buildup inside the motor can cause electronic components to burn out and motor performance to degrade, and existing technologies struggle to effectively dissipate heat.

Method used

Design a flow channel system integrated inside the valve body, including multiple fluid channels, with at least one fluid channel having a heat exchange extension section that is directly thermally coupled to the wall surface of the motor mounting well, using hydraulic oil for active heat dissipation.

Benefits of technology

It significantly improves motor operating temperature, enhances the reliability and lifespan of servo valves, improves servo valve performance stability, and features a compact structure and high integration.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224414036U_ABST
    Figure CN224414036U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of for heat dissipation servo valve flow passage system and servo valve, belong to servo valve technical field, flow passage system includes multiple independent fluid passageway, at least one fluid passageway in multiple fluid passageway middle part is provided with heat exchange extension section, the heat exchange extension section is configured as and the wall surface of motor installation well in valve body is directly thermally coupled;With a kind of for heat dissipation servo valve flow passage system and servo valve like this, heat is generated in the operation process of motor, heat is transferred to the well wall of motor installation well, and hydraulic oil is cooled, heat dissipation to the effect of the area near motor installation well by heat dissipation flow passage. Can significantly improve motor operating temperature, improve the reliability and life of servo valve, improve servo valve performance stability, and compact structure, high integration.
Need to check novelty before this filing date? Find Prior Art