JPS63151973U - - Google Patents
Info
- Publication number
- JPS63151973U JPS63151973U JP4355787U JP4355787U JPS63151973U JP S63151973 U JPS63151973 U JP S63151973U JP 4355787 U JP4355787 U JP 4355787U JP 4355787 U JP4355787 U JP 4355787U JP S63151973 U JPS63151973 U JP S63151973U
- Authority
- JP
- Japan
- Prior art keywords
- control port
- valve
- combustion engine
- internal combustion
- close
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Control Of Fluid Pressure (AREA)
Description
第1図は本考案に係るプレツシヤレギユレータ
の一実施例を示す要部の断面図、第2図はプレツ
シヤレギユレータを内燃機関の燃料供給系統に組
み込んだ具体例の構成図、第3図は従来のプレツ
シヤレギユレータの一例を示す断面図、第4図は
第3図の要部拡大図である。
11……制御ポート、12……圧力室、13…
…ダイアフラム、13a……リテーナ、14……
バルブホルダ、14a……保持孔、15……弁体
、15A……フランジ状基端部15B……球状弁
部、15C……軸部、16……リターンスプリン
グ、17……弁座、18……負圧室。
Fig. 1 is a cross-sectional view of the essential parts of an embodiment of the pressure regulator according to the present invention, and Fig. 2 shows the configuration of a specific example in which the pressure regulator is incorporated into the fuel supply system of an internal combustion engine. 3 is a sectional view showing an example of a conventional pressure regulator, and FIG. 4 is an enlarged view of the main part of FIG. 3. 11... Control port, 12... Pressure chamber, 13...
...Diaphragm, 13a...Retainer, 14...
Valve holder, 14a...Retaining hole, 15...Valve body, 15A...Flanged base end 15B...Spherical valve part, 15C...Shaft portion, 16...Return spring, 17...Valve seat, 18... ...Negative pressure chamber.
Claims (1)
された入力ポートとを設けた圧力室を隔成するダ
イアフラムと、前記制御ポートを開閉するよう該
制御ポートに対向して前記ダイアフラムにバルブ
ホルダを介して装着された弁体と、前記ダイアフ
ラムを前記圧力室の縮小方向に弾性付勢して前記
弁体を閉弁付勢するリターンスプリングと、を備
え、前記圧力室の燃料圧力を以てダイアフラムを
介して前記弁体を開閉作動させて前記制御ポート
より高圧側の燃料圧力を所定値に保持させるよう
に構成した内燃機関のプレツシヤレギユレータに
おいて、前記弁体を、前記バルブホルダの裏面に
面対接して配設されたフランジ状基端部と、前記
制御ポートに対向するよう配設された球状弁部と
、バルブホルダに開設された保持孔に貫通保持さ
れ前記フランジ状基端部及び球状弁部より小径の
軸部とで一体に形成し、制御ポート先端に形成し
た漏斗状の弁座に前記球状弁部を着座させること
により制御ポートを閉じるよう構成したことを特
徴とする内燃機関のプレツシヤレギユレータ。 A diaphragm separating a pressure chamber having a control port open to a low pressure side and an input port connected to a high pressure side, and a valve holder attached to the diaphragm facing the control port so as to open and close the control port. a return spring that elastically biases the diaphragm in the direction of contraction of the pressure chamber to urge the valve body to close; In the pressure regulator for an internal combustion engine, the pressure regulator for an internal combustion engine is configured to open and close the valve body to maintain fuel pressure on a higher pressure side than the control port at a predetermined value, the valve body being attached to the back surface of the valve holder. A flange-like base end portion disposed in face-to-face contact with each other, a spherical valve portion disposed facing the control port, and a flange-like base end portion and An internal combustion engine characterized in that the spherical valve section is integrally formed with a shaft section having a smaller diameter than the spherical valve section, and the control port is closed by seating the spherical valve section on a funnel-shaped valve seat formed at the tip of the control port. pressure regulator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4355787U JPS63151973U (en) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4355787U JPS63151973U (en) | 1987-03-26 | 1987-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63151973U true JPS63151973U (en) | 1988-10-05 |
Family
ID=30860526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4355787U Pending JPS63151973U (en) | 1987-03-26 | 1987-03-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63151973U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007285416A (en) * | 2006-04-17 | 2007-11-01 | Hitachi Metals Ltd | Cutoff valve device and mass flow rate control device incorporated with this device |
-
1987
- 1987-03-26 JP JP4355787U patent/JPS63151973U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007285416A (en) * | 2006-04-17 | 2007-11-01 | Hitachi Metals Ltd | Cutoff valve device and mass flow rate control device incorporated with this device |
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