Electromagnetic oscillating type pump and method for manufacturing the same
AssigneeTechno Takatsuki Co., Ltd.
InventorsIkuo Ohya, Nozomu Kawasaki
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Abstract
An electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising one or a plurality of iron cores and the magnetic body. A frame portion of resin mold is formed by molding resin on an outer surface of the electromagnetic portion. It is possible to obtain electromagnetic oscillating type pumps capable of decreasing manufacturing costs and of exhibiting high acoustic insulating effects.
Claims24
An electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising one or a plurality of iron cores and the magnetic body, wherein a frame portion of resin mold is formed by molding resin on an outer surface of the electromagnetic portion.
A method for manufacturing an electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising by one or a plurality of iron cores and the magnetic body, wherein the method comprises the steps of assembling the electromagnetic portion by fitting the iron cores forming the electromagnetic portion into a periphery of an iron core positioning tool, disposing the assembled electromagnetic portion into dies with an angular core for insertion formed at a concaved central portion thereof, and injecting resin into a cavity of the dies for molding the resin on an outer surface of the electromagnetic portion.
A method for manufacturing an electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising one or a plurality of iron cores and the magnetic body, wherein the method comprises the steps of assembling the electromagnetic portion by placing the iron cores forming the electromagnetic portion to a periphery of an iron core positioning tool obtained by adhering soft magnetic bodies with a magnet pinched therebetween, disposing the assembled electromagnetic portion into dies, injecting resin into a cavity of the dies for molding the resin on an outer surface of the electromagnetic portion, and detaching the iron core positioning tool upon completion of molding.
A method for manufacturing an electromagnetic oscillating type pump for oscillating diaphragms connected to an oscillator through electromagnetic oscillation of the oscillator with magnetic body by utilizing magnetic interaction between an electromagnetic portion comprising one or a plurality of iron cores and the magnetic body, wherein the method comprises the steps of disposing, upon assembly of the electromagnetic portion, the assembled electromagnetic portion into dies with an angular core for insertion formed at a concaved central portion thereof, positioning and fixing the iron cores to the angular core for insertion through a magnetic attraction by applying power to the electromagnetic portion, and injecting resin into a cavity of the dies for molding the resin on an outer surface of the electromagnetic portion.
Dependencies are inferred from the claim text.