Valve needle assembly and electronic expansion valve with valve needle assembly
An electronic expansion valve, valve needle technology, applied in the valve operation/release device, lift valve, valve details, etc., can solve the problems of reducing refrigeration efficiency, internal leakage, and failing to meet the performance requirements of electronic expansion valve, etc. Achieve the effect of reducing the driving force and balancing the force
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[0040] The following description is merely exemplary in nature and is not intended to limit the present invention, applications and uses. It should be understood that in all these drawings, similar reference numerals indicate the same or similar parts and features. Each drawing only schematically shows the concept and principle of the embodiments of the present invention, and does not necessarily show the specific dimensions and proportions of the various embodiments of the present invention, and may be used in specific drawings or specific parts of the drawings. The relevant details or structures of the various embodiments of the present invention are illustrated in an exaggerated manner.
[0041] In the description of the embodiment of the present invention, the azimuth terms related to "upper" and "lower" used are described in the upper and lower positions of the view shown in the accompanying drawings, and the "forward" "And "reverse" are defined according to the flow direct...
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