JPS58162279U - Pressure regulator for in-line fuel injection pump - Google Patents
Pressure regulator for in-line fuel injection pumpInfo
- Publication number
- JPS58162279U JPS58162279U JP19715481U JP19715481U JPS58162279U JP S58162279 U JPS58162279 U JP S58162279U JP 19715481 U JP19715481 U JP 19715481U JP 19715481 U JP19715481 U JP 19715481U JP S58162279 U JPS58162279 U JP S58162279U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection pump
- passage
- valve
- check valve
- 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
Landscapes
- 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
第１図は従来の燃料噴射ポンプと本考案に係る燃料噴射
ポンプの作動特性を示す線図、第２図は本考案の第１実
施例に係る燃料噴射ポンプの圧力調整装置の縦断面図、
第３図は同装置の一部変更実施例に係る側面断面図、第
４図は本考案の第２実施例に係る圧力調整装置の側面断
面図、第５図は本考案の第３実施例に係る圧力調整装置
の側面断面図、第６図は本考案の第４実施例に係る圧力
調整装置の概略構成を示す平面図である。
１：圧力調整装置、２：ハウジング、３：通路、４：ポ
ペット弁、４ａミニオリフィス路、５：ばね、６：シｌ
１．７〜９：通路、１３：噴射管、１９：ピストン、２
０：液圧アクチュエータ、２１：逆止弁、２７：逃し弁
、３０：燃料噴射ポンプ、３４：コントロールユニット
、３５ ：回転速ｇセンサ、３６：加速レバー、３７：
負荷センサ、４１：調速機。FIG. 1 is a diagram showing the operating characteristics of a conventional fuel injection pump and a fuel injection pump according to the present invention, and FIG. 2 is a longitudinal sectional view of a pressure regulating device for a fuel injection pump according to a first embodiment of the present invention.
FIG. 3 is a side cross-sectional view of a partially modified embodiment of the same device, FIG. 4 is a side cross-sectional view of a pressure regulating device according to a second embodiment of the present invention, and FIG. 5 is a third embodiment of the present invention. FIG. 6 is a side sectional view of a pressure regulating device according to a fourth embodiment of the present invention, and FIG. 6 is a plan view showing a schematic configuration of a pressure regulating device according to a fourth embodiment of the present invention. 1: Pressure regulator, 2: Housing, 3: Passage, 4: Poppet valve, 4a mini orifice path, 5: Spring, 6: Sil
1.7-9: Passage, 13: Injection pipe, 19: Piston, 2
0: Hydraulic actuator, 21: Check valve, 27: Relief valve, 30: Fuel injection pump, 34: Control unit, 35: Rotational speed g sensor, 36: Acceleration lever, 37:
Load sensor, 41: Speed governor.
Claims (2)
にそれぞれ逆止弁を接続し、該逆止弁の下流側をそれぞ
れ単一の逃し弁を介して燃料タンク側へ接続したことを
特徴とする判型燃料噴射ポンプの圧力調整装置。(1) A check valve is connected to the outlet side of each delivery valve of the size-type fuel injection pump, and the downstream side of the check valve is connected to the fuel tank side through a single relief valve. Pressure adjustment device for large-sized fuel injection pumps.
通路と該通路から分岐され、かつ燃料タンクに連なるバ
イパス通路とを有するハウジングを接続し、前記バイパ
ス通路の途中にはねによって前記バイパス通路を閉じる
ように付勢される逆止弁を設け、該逆止弁の弁体にオリ
フィス通路４ａを設けたことを特徴とする実用新案登録
請求の範囲（１）に記載の判型燃料噴射ポンプの圧力調
整装置。(2) A housing having a passage connected to the injection pipe and a bypass passage branched from the passage and connected to the fuel tank is connected to the holder of the delivery valve, and the bypass passage is connected in the middle of the bypass passage by a spring. A rectangular fuel injection pump according to claim (1) for registration as a utility model, characterized in that a check valve that is biased to close is provided, and an orifice passage 4a is provided in the valve body of the check valve. Pressure regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19715481U JPS58162279U (en) | 1981-12-26 | 1981-12-26 | Pressure regulator for in-line fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19715481U JPS58162279U (en) | 1981-12-26 | 1981-12-26 | Pressure regulator for in-line fuel injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58162279U true JPS58162279U (en) | 1983-10-28 |
Family
ID=30110369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19715481U Pending JPS58162279U (en) | 1981-12-26 | 1981-12-26 | Pressure regulator for in-line fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58162279U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381816A (en) * | 1976-12-24 | 1978-07-19 | Maschf Augsburg Nuernberg Ag | Fuel injection device for air compression type internal combustion engine |
| JPS5385220A (en) * | 1976-12-30 | 1978-07-27 | Diesel Kiki Co Ltd | Safety device of high pressure fuel system for diesel engine |
-
1981
- 1981-12-26 JP JP19715481U patent/JPS58162279U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381816A (en) * | 1976-12-24 | 1978-07-19 | Maschf Augsburg Nuernberg Ag | Fuel injection device for air compression type internal combustion engine |
| JPS5385220A (en) * | 1976-12-30 | 1978-07-27 | Diesel Kiki Co Ltd | Safety device of high pressure fuel system for diesel engine |
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