JPS6058868U - Valve seat type fuel injection nozzle - Google Patents

Valve seat type fuel injection nozzle

Info

Publication number
JPS6058868U
JPS6058868U JP15142583U JP15142583U JPS6058868U JP S6058868 U JPS6058868 U JP S6058868U JP 15142583 U JP15142583 U JP 15142583U JP 15142583 U JP15142583 U JP 15142583U JP S6058868 U JPS6058868 U JP S6058868U
Authority
JP
Japan
Prior art keywords
valve seat
nozzle
seat type
fuel injection
type fuel
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
JP15142583U
Other languages
Japanese (ja)
Other versions
JPS6341578Y2 (en
Inventor
克彦 横田
吉田　嘉孝
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP15142583U priority Critical patent/JPS6058868U/en
Publication of JPS6058868U publication Critical patent/JPS6058868U/en
Application granted granted Critical
Publication of JPS6341578Y2 publication Critical patent/JPS6341578Y2/ja
Granted legal-status Critical Current

Links

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) [Abstract] 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 the drawing]

第１図は本考案実施例の要部断面図、第２図は同・要部
拡大詳細説明図である。 １・・・・・・バルブシート型燃料噴射ノズル、２・・
・・・・バレル、２Ａ・・・・・・チップ、２Ｂ・・・
・・・壁部、２Ｃ・・・・・・サック空間部、３，４・
・・・・・噴口、３ａ、４ａ・・・・・・ホール側開口
、５・・・・・・針弁、６・・・・・・シート部、７・
・・・・・周溝、７ａ・・・・・・上縁、７ｂ・・・・
・・下縁、８・・・・・・横通路、９・・・・・・縦通
路、１０・・・・・・連通路、１１・・・・・・周方向
環状空間部、１２・・・・・・油溜り、１３・・・・・
・燃料供給路。FIG. 1 is a sectional view of a main part of an embodiment of the present invention, and FIG. 2 is an enlarged detailed explanatory view of the main part. 1... Valve seat type fuel injection nozzle, 2...
...Barrel, 2A...Tip, 2B...
... Wall part, 2C ... Sack space part, 3, 4.
...Spout, 3a, 4a...Hole side opening, 5...Needle valve, 6...Seat part, 7.
...Peripheral groove, 7a...Top edge, 7b...
...Lower edge, 8...Horizontal passage, 9...Vertical passage, 10...Communication passage, 11...Circumferential annular space, 12. ...Oil puddle, 13...
・Fuel supply route.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部をサックホールに形成した先端のチップの壁部に複
数の噴口を設けてなるバルブシート型ノズルにおいて、
針弁のシート部に前記噴口のホール側最上位開口の上縁
と最下位開口の下縁との上下距離より僅か大なる上下幅
を有する周溝を設け、さらに前記周溝に開口するととも
にサック空間部側に開口する連通路を設けてなり、針弁
の下限閉止時に周溝により画成された周方向環状空間部
を介し各噴口と連通路とを連通させるようにしたバルブ
シート型燃料噴射ノズル。In a valve seat type nozzle, which has multiple nozzles on the wall of the tip with a suck hole inside,
A circumferential groove having a vertical width slightly larger than the vertical distance between the upper edge of the uppermost opening on the hole side of the nozzle and the lower edge of the lowermost opening is provided in the seat portion of the needle valve, and furthermore, the circumferential groove is opened and the suction groove is opened. Valve seat type fuel injection in which a communicating passage that opens toward the space is provided, and each nozzle port communicates with the communicating passage through the circumferential annular space defined by the circumferential groove when the needle valve is closed at its lower limit. nozzle.
JP15142583U 1983-09-30 1983-09-30 Valve seat type fuel injection nozzle Granted JPS6058868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15142583U JPS6058868U (en) 1983-09-30 1983-09-30 Valve seat type fuel injection nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15142583U JPS6058868U (en) 1983-09-30 1983-09-30 Valve seat type fuel injection nozzle

Publications (2)

Publication Number Publication Date
JPS6058868U true JPS6058868U (en) 1985-04-24
JPS6341578Y2 JPS6341578Y2 (en) 1988-11-01

Family

ID=30335560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15142583U Granted JPS6058868U (en) 1983-09-30 1983-09-30 Valve seat type fuel injection nozzle

Country Status (1)

Country Link
JP (1) JPS6058868U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002535537A (en) * 1999-01-14 2002-10-22 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Fuel injection valve for internal combustion engine
WO2004055354A1 (en) * 2002-12-18 2004-07-01 Bosch Automotive Systems Corporation Fuel injection nozzle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110720A (en) * 1977-03-09 1978-09-27 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110720A (en) * 1977-03-09 1978-09-27 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002535537A (en) * 1999-01-14 2002-10-22 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング Fuel injection valve for internal combustion engine
WO2004055354A1 (en) * 2002-12-18 2004-07-01 Bosch Automotive Systems Corporation Fuel injection nozzle

Also Published As

Publication number Publication date
JPS6341578Y2 (en) 1988-11-01

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