Oil returning cooling structure of electro-hydraulic servo valve
An electro-hydraulic servo valve and servo valve technology, applied in the field of electro-hydraulic servo, can solve problems such as increased leakage, decreased magnetic permeability of soft magnetic materials, and jamming, so as to improve stability and life, reduce working environment temperature, and guarantee Achieving and Safe Effects
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[0024] The present invention will be further described below in conjunction with the drawings and embodiments.
[0025] Such as Figure 2 to Figure 8 As shown, an oil return cooling structure of an electro-hydraulic servo valve includes a bushing 1, an upper cover 3, and a servo valve body 5. The servo valve body 5 is provided with a through hole on both sides of the oil inlet cavity and the oil return cavity. 5-1. The upper end of the servo valve body 5 is sealed and fixedly connected to the upper cover 3, and the upper cover 3 is sealed and fixedly connected to the bushing 1, and the bushing and the upper cover are overlapped and installed to form a cavity, which passes through the outer circle of the upper cover 3. The oblique holes 3-1 on both sides and the inlet cavity of the servo valve body 5 and the through holes 5-1 on both sides of the servo valve body 5 communicate with the inlet and return chambers of the servo valve body 5 to form the external flow passage of the ser...
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