JPS5913667U

JPS5913667U - Intermittent volute injection valve

Info

Publication number: JPS5913667U
Application number: JP10907582U
Authority: JP
Inventors: 野口　正秋; 住吉　正治
Original assignee: 株式会社豊田中央研究所
Priority date: 1982-07-19
Filing date: 1982-07-19
Publication date: 1984-01-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ないし第３図は本考案の第１実施例をそれぞれ示
すもので第１図はその断面図、第２図は構成部の斜視図
、第３図はその側面図、第４図ないし第６図は本考案の
第２実施例をそれぞれ示すもので第４図はその断面図、
第５図は構成部の縦断面図、第６図はその側面１図であ
る。図中、１は筐体、２はノズル孔、３は貫通孔、４はニー
ドル弁、５は弁体、１７．１８．１７’。１８′は溝をそれぞれ示すものである。Figures 1 to 3 show the first embodiment of the present invention, with Figure 1 being a cross-sectional view, Figure 2 being a perspective view of its constituent parts, Figure 3 being a side view, and Figures 4 to 3 respectively showing a first embodiment of the present invention. FIG. 6 shows a second embodiment of the present invention, and FIG. 4 is a sectional view thereof.
FIG. 5 is a longitudinal sectional view of the component, and FIG. 6 is a side view thereof. In the figure, 1 is a housing, 2 is a nozzle hole, 3 is a through hole, 4 is a needle valve, 5 is a valve body, 17, 18, 17'. Reference numeral 18' indicates a groove.

Claims

[Scope of Claim for Utility Model Registration] A housing having a nozzle hole formed at the downstream end of a through-hole formed in the body, and a distal end that is slidably inserted in the through-hole of the housing in the axial direction. a needle valve formed with a valve body for opening and closing the nozzle hole, and a partition member whose outer peripheral surface fits liquid-tightly into the inner wall of the through hole on the upstream side of the nozzle hole connects the member to the nozzle hole. The spiral chamber formed between the parts and the annular pressure chamber formed along the inner wall of the through hole on the upstream side of the member are separated, and the pressure chamber is connected to a fuel passage through which fuel is to be supplied from a fuel supply source. - cutting at least one groove having a predetermined angle of inclination on the outer circumferential surface of the partition member, and opening and communicating the groove tangentially with the swirl chamber on the downstream end surface of the partition member; An intermittent swirl injection valve, characterized in that it communicates with at least one groove to form a communication passage from a pressure chamber to a swirl chamber.