Assembly method for the nozzle of an electrostatic spray head

JP2026105028APending Publication Date: 2026-06-25HOCHIKI CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
HOCHIKI CORP
Filing Date
2026-04-20
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

The existing electrostatic spraying heads require separate nozzle mounting structures for nozzles with different discharge volumes, leading to increased parts and complexity in production and assembly, making it difficult to standardize the manufacturing process.

Method used

A nozzle mounting structure that allows for the selective attachment of nozzles with different liquid discharge volumes and shapes, featuring a through-hole for the nozzle holding part, first and second nozzle storage sections, and sealing members to ensure proper installation and prevent leaks.

Benefits of technology

This structure simplifies production management, reduces costs, and minimizes errors by enabling standardization of parts and easy recognition of the correct nozzle type, while ensuring secure attachment and preventing liquid leaks.

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Abstract

The goal is to minimize the increase in the number of parts and to enable easy and simple selective installation of nozzles with different liquid discharge volumes. [Solution] The electrostatic spraying head includes a nozzle section that releases liquid particles to spray electrostatically charged liquid particles, and to which either a first liquid volume nozzle, a high-volume nozzle 50, or a second liquid volume nozzle, a low-volume nozzle, can be selected and attached; a water-side electrode section 14 formed through which an internal flow path 1410 for supplying liquid to the nozzle section passes; and a nozzle holding section 32, a high-volume nozzle storage section 3210, and a low-volume nozzle storage section 1460, which are provided on the outlet side of the water-side electrode section 14 and serve as a nozzle mounting structure that allows for the selective attachment of a high-volume nozzle 50 and a low-volume nozzle, which have different discharge liquid volumes and shapes, as the nozzle section.
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