JPS59103821U - fuel pressure regulator - Google Patents
fuel pressure regulatorInfo
- Publication number
- JPS59103821U JPS59103821U JP19644882U JP19644882U JPS59103821U JP S59103821 U JPS59103821 U JP S59103821U JP 19644882 U JP19644882 U JP 19644882U JP 19644882 U JP19644882 U JP 19644882U JP S59103821 U JPS59103821 U JP S59103821U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- pressure
- chamber
- fuel pressure
- valve section
- 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.)
- Pending
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一実施例としての燃料圧調整装置を示すも
ので、第１図はその全体構成を示す断面図、第２．３図
はそれぞれのディーゼルエンジンへの適用例を示す構成
図および制御手段を示すブロック図である。
１・・・ケーシング、２・・・燃料圧調整機構としての
燃圧レギュレータ部、３・・・燃料流量制御機構として
燃料流量制御弁部（ソレノイドバルブ）、４・・・燃料
流入口、５・・・第１の室、５ａ・・・中間室部、５ｂ
・・・端部室部、６・・・燃料圧調整弁部を構成する円
錐状弁体、７・・・弁座、８・・・大気連通口、９・・
・第２の室、１０・・・差圧応動機構を構成するダイア
フラム、１１・・・ばね、１２・・・燃料流出口、１３
・・・通路、１４・・・吐出口、１５・・・電気制御装
置（ＥＣＵ装置）、１６・・・ばね、１７・・・リーク
部、１８・・・シ・リングフロック、１９・・・シリン
ダヘッド、２０・・・ピストン、２１・・・主室、２２
・・・吸気通路、２３・・・排気通路、２４・・・パテ
ィキュレートトラップ装置と ゛してのディーゼルパテ
ィキュレートフィルタ（ＤＰＦ装置）、２４ａ・・・排
気側、２４ｂ・・・吸気側、２５・・・マフラー、２６
．２７・・・通路切換弁、２８・・・熱風供給制御弁、
２９〜３１・・・スイッチバルブ、３２・・・バイパス
通路、３３・・・通路、３４・・・バーナー、３５・・
・燃料噴射ノズル、３６・・・噴射ポンプレバー開度セ
ンサ、３７・・・エンジン回転数センサ、３８・・・冷
却水温センサ、３９・・・排気温度センサ、４０・・・
排気圧力センサ、４１・・・１次エアポンプ、４２・・
・２次エアポンプ、４３・・・イグニッションコイル（
１ｇコイル）、４４〜４６・；・スイッチバルブ、４７
〜４９・・・エアクリーナ、５０・・・空気流量制御弁
、５１・・・ノズル保護弁、５２〜５４・・・通路、５
５・・・エアパージ用切換弁、５６・・・噴射ポンプ、
５７・・・点火プラグ、Ａ・・・燃圧調整弁部、Ｂ・・
・差圧応動機構、Ｃ・・・燃料圧調整装置、Ｅ・・・エ
ンジン。
第２図 −
５６
二−□−□−一一一一一The figures show a fuel pressure regulating device as an embodiment of the present invention. Fig. 1 is a sectional view showing its overall configuration, and Figs. 2 and 3 are block diagrams and illustrations showing examples of application to diesel engines. It is a block diagram showing control means. DESCRIPTION OF SYMBOLS 1... Casing, 2... Fuel pressure regulator part as a fuel pressure adjustment mechanism, 3... Fuel flow control valve part (solenoid valve) as a fuel flow rate control mechanism, 4... Fuel inlet, 5...・First chamber, 5a...Middle chamber part, 5b
. . . End chamber, 6. Conical valve body constituting the fuel pressure regulating valve portion, 7. Valve seat, 8. Atmospheric communication port, 9.
・Second chamber, 10...Diaphragm constituting the differential pressure response mechanism, 11...Spring, 12...Fuel outlet, 13
... Passage, 14... Discharge port, 15... Electric control device (ECU device), 16... Spring, 17... Leak part, 18... Sea ring flock, 19... Cylinder head, 20... Piston, 21... Main chamber, 22
...Intake passage, 23...Exhaust passage, 24...Diesel particulate filter (DPF device) serving as a particulate trap device, 24a...Exhaust side, 24b...Intake side, 25 ...Muffler, 26
．． 27... Passage switching valve, 28... Hot air supply control valve,
29-31... Switch valve, 32... Bypass passage, 33... Passage, 34... Burner, 35...
- Fuel injection nozzle, 36... Injection pump lever opening sensor, 37... Engine rotation speed sensor, 38... Cooling water temperature sensor, 39... Exhaust temperature sensor, 40...
Exhaust pressure sensor, 41...Primary air pump, 42...
・Secondary air pump, 43...Ignition coil (
1g coil), 44-46; Switch valve, 47
~49... Air cleaner, 50... Air flow rate control valve, 51... Nozzle protection valve, 52-54... Passage, 5
5... Air purge switching valve, 56... Injection pump,
57...Spark plug, A...Fuel pressure adjustment valve part, B...
・Differential pressure response mechanism, C...Fuel pressure adjustment device, E...Engine. Figure 2 - 56 2-□-□-11111
Claims (1)
入口からの燃料圧を受ける第１の室と、同第１の室へ上
記燃料流入口から供給される燃料圧を調整する燃料圧調
整弁部と、所定圧を受ける第２の室と、上記第１の室の
圧力と上記第２の室の圧力との差に応じて上記弁部の開
閉度を制御して上記第１の室の圧力を設定圧に維持しう
る差圧応動機構と、同差圧応動機構によって設定圧に維
持された燃料を送出する燃料流出口とで構成された燃料
圧調整機構釜そなえるとともに、上記燃料流出口からの
燃料を噴出制御すべく上記ケーシングに装着された燃料
流量制御機構をそなえ、上記の燃料圧調整機構と燃料流
量側御機構とが上記ケーシングを介して一体に設けられ
てコ）ることを特徴とする、燃料圧調整装置。The casing includes a fuel inlet for receiving fuel, a first chamber for receiving fuel pressure from the fuel inlet, and a fuel pressure adjustment for adjusting the fuel pressure supplied to the first chamber from the fuel inlet. a valve section; a second chamber receiving a predetermined pressure; and a valve section that controls the degree of opening and closing of the valve section according to the difference between the pressure of the first chamber and the pressure of the second chamber. The tank is equipped with a fuel pressure adjustment mechanism consisting of a differential pressure responsive mechanism that can maintain the pressure at the set pressure, and a fuel outlet that delivers fuel maintained at the set pressure by the differential pressure responsive mechanism. A fuel flow rate control mechanism is provided on the casing to control jetting of fuel from the outlet, and the fuel pressure adjustment mechanism and fuel flow rate side control mechanism are integrally provided via the casing. A fuel pressure adjustment device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19644882U JPS59103821U (en) | 1982-12-28 | 1982-12-28 | fuel pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19644882U JPS59103821U (en) | 1982-12-28 | 1982-12-28 | fuel pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59103821U true JPS59103821U (en) | 1984-07-12 |
Family
ID=30421460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19644882U Pending JPS59103821U (en) | 1982-12-28 | 1982-12-28 | fuel pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59103821U (en) |
-
1982
- 1982-12-28 JP JP19644882U patent/JPS59103821U/en active Pending
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