Electronic expansion valve
a technology of electronic expansion valve and valve needle, which is applied in the direction of valve operating means/releasing devices, mechanical equipment, fluid circulation arrangement, etc., can solve the problems of poor reliability of prior art electronic expansion valve, inability to easily adjust and restore the valve needle thus deviating, and difficulty in the relative rotation between the valve needle and the leading screw, etc., to achieve effective reduction of the starting voltage of the product, easy adjustment and restoration, and improved reliability of electronic expansion valv
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To clarify the objects, technical solutions and advantages of the embodiments of the present invention, descriptions will be given clearly and sufficiently hereinafter to the technical solutions in the embodiments of the present invention with reference to the accompanied drawings. Apparently, the embodiments described are only a part the invention, not all of it. All other embodiments, which are obtained by those skilled in the art based on the embodiments in the present invention without any inventive effort, are intended to be within the scope of protection of the invention.
FIG. 1 is a schematic view showing the structure of a first embodiment of an electronic expansion valve according to the present invention, FIG. 2 is a schematic view showing the structure of region A in FIG. 1, and FIG. 3 is a schematic view showing the leading screw and the washer of the first embodiment of the electronic expansion valve in assembly according to the present invention. As shown in FIGS. 1, 2 ...
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