JPS6075672U - Pressure boosting unit injector rotary valve device - Google Patents

Pressure boosting unit injector rotary valve device

Info

Publication number
JPS6075672U
JPS6075672U JP16762783U JP16762783U JPS6075672U JP S6075672 U JPS6075672 U JP S6075672U JP 16762783 U JP16762783 U JP 16762783U JP 16762783 U JP16762783 U JP 16762783U JP S6075672 U JPS6075672 U JP S6075672U
Authority
JP
Japan
Prior art keywords
rotary valve
valve device
boosting unit
pressure boosting
unit injector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16762783U
Other languages
Japanese (ja)
Other versions
JPH027253Y2 (en
Inventor
宏史 木澤
Original Assignee
株式会社小松製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP16762783U priority Critical patent/JPS6075672U/en
Priority to DE19843438965 priority patent/DE3438965A1/en
Priority to US06/664,719 priority patent/US4677953A/en
Publication of JPS6075672U publication Critical patent/JPS6075672U/en
Application granted granted Critical
Publication of JPH027253Y2 publication Critical patent/JPH027253Y2/ja
Granted legal-status Critical Current

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  • Fuel-Injection Apparatus (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図は従来のロータリバルブと増圧式ユニッ
トインジェクタの構成説明図、第３図は従来のロータリ
バルブ装置のスプールの展開図、第４図は本考案に係る
ロータリバルブ装置の要部の縦断面図、第５図は同スプ
ールの一部断面した側面図、第６図は同スプールの展開
図である。 １２はバルブ本体、１３はスプール、１７はメータリン
グ圧力室、２０はメータリング溝、２１はドレン溝。 第３図 第４図Figures 1 and 2 are explanatory diagrams of the configuration of a conventional rotary valve and a pressure boosting unit injector, Figure 3 is an exploded view of the spool of the conventional rotary valve device, and Figure 4 is the main components of the rotary valve device according to the present invention. FIG. 5 is a partially sectional side view of the spool, and FIG. 6 is a developed view of the spool. 12 is a valve body, 13 is a spool, 17 is a metering pressure chamber, 20 is a metering groove, and 21 is a drain groove. Figure 3 Figure 4

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スプール１３の周部に形成したメータリング溝２０を複
数に分断したことを特徴とする増圧式ユニットインジェ
クタのロータリバルブ装置。A rotary valve device for a pressure boosting unit injector, characterized in that a metering groove 20 formed on the circumference of a spool 13 is divided into a plurality of parts.
JP16762783U 1983-10-26 1983-10-31 Pressure boosting unit injector rotary valve device Granted JPS6075672U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16762783U JPS6075672U (en) 1983-10-31 1983-10-31 Pressure boosting unit injector rotary valve device
DE19843438965 DE3438965A1 (en) 1983-10-26 1984-10-24 FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
US06/664,719 US4677953A (en) 1983-10-26 1984-10-25 Fuel injection system for internal-combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16762783U JPS6075672U (en) 1983-10-31 1983-10-31 Pressure boosting unit injector rotary valve device

Publications (2)

Publication Number Publication Date
JPS6075672U true JPS6075672U (en) 1985-05-27
JPH027253Y2 JPH027253Y2 (en) 1990-02-21

Family

ID=30366687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16762783U Granted JPS6075672U (en) 1983-10-26 1983-10-31 Pressure boosting unit injector rotary valve device

Country Status (1)

Country Link
JP (1) JPS6075672U (en)

Also Published As

Publication number Publication date
JPH027253Y2 (en) 1990-02-21

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