JPH0218627U - - Google Patents
Info
- Publication number
- JPH0218627U JPH0218627U JP9462388U JP9462388U JPH0218627U JP H0218627 U JPH0218627 U JP H0218627U JP 9462388 U JP9462388 U JP 9462388U JP 9462388 U JP9462388 U JP 9462388U JP H0218627 U JPH0218627 U JP H0218627U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- fuel injection
- injection pump
- oil pressure
- pump
- 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
- 239000000446 fuel Substances 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000000295 fuel oil Substances 0.000 claims 5
- 239000003921 oil Substances 0.000 claims 2
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
Description
第１図は本考案の一実施例を示す燃料噴射ポン
プの側面図、第２図は本考案の他の実施例を示す
燃料噴射ポンプの側面図、第３図は同要部の拡大
断面図、第４図は従来の燃料噴射ポンプの側面図
である。
１……燃料噴射ポンプ、２……燃料噴射ポンプ
本体、２ａ……吸入口、３……電子タイマ、６…
…燃料供給ポンプ（燃料油圧発生機構）、６ａ…
…送出口、１０……切換弁。
Fig. 1 is a side view of a fuel injection pump showing one embodiment of the present invention, Fig. 2 is a side view of a fuel injection pump showing another embodiment of the invention, and Fig. 3 is an enlarged sectional view of the main parts. , FIG. 4 is a side view of a conventional fuel injection pump. 1...Fuel injection pump, 2...Fuel injection pump body, 2a...Intake port, 3...Electronic timer, 6...
...Fuel supply pump (fuel pressure generation mechanism), 6a...
...Outlet port, 10...Switching valve.
Claims (1)
れて燃料噴射時期を調整するタイマを備えて成る
燃料噴射ポンプにおいて、燃料油圧発生機構を備
え、該燃料油圧発生機構により発生される燃料油
圧を前記タイマに駆動油圧として供給するように
したことを特徴とする燃料噴射ポンプ。 (2) 前記燃料油圧発生機構は、前記燃料噴射ポ
ンプ本体に燃料を供給する燃料供給ポンプである
ことを特徴とする請求項１記載の燃料噴射ポンプ
。 (3) 前記燃料油圧発生機構は、前記燃料噴射ポ
ンプ本体に燃料を供給する燃料供給ポンプとは別
に設けたポンプであることを特徴とする請求項１
記載の燃料噴射ポンプ。 (4) 前記燃料噴射ポンプ本体の吸入口と前記燃
料供給ポンプの送出口と前記タイマの駆動油圧入
口との間に、エンジンの始動が困難な温度条件下
におけるエンジン始動時は前記燃料供給ポンプか
ら吐出される燃料を前記タイマ側にのみ供給し、
該供給に伴う前記タイマ進角後は、前記燃料供給
ポンプから送出される燃料を該タイマと燃料噴射
ポンプ本体とに供給するように切り換える切換弁
を配設したことを特徴とする請求項２記載の燃料
噴射ポンプ。[Scope of Claim for Utility Model Registration] (1) A fuel injection pump comprising a timer driven by oil pressure to adjust the fuel injection timing in the fuel injection pump body, which is equipped with a fuel oil pressure generation mechanism, and the fuel oil pressure generation mechanism A fuel injection pump characterized in that the fuel oil pressure generated by the pump is supplied to the timer as a drive oil pressure. (2) The fuel injection pump according to claim 1, wherein the fuel oil pressure generating mechanism is a fuel supply pump that supplies fuel to the fuel injection pump main body. (3) Claim 1, wherein the fuel oil pressure generating mechanism is a pump provided separately from a fuel supply pump that supplies fuel to the fuel injection pump main body.
Fuel injection pump as described. (4) Between the inlet of the fuel injection pump main body, the outlet of the fuel supply pump, and the driving hydraulic pressure inlet of the timer, when starting the engine under temperature conditions that make it difficult to start the engine, there is a Supplying the discharged fuel only to the timer side,
3. The fuel injection pump according to claim 2, further comprising a switching valve configured to switch to supply the fuel sent from the fuel supply pump to the timer and the fuel injection pump body after the timer advances due to the supply. fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9462388U JPH0218627U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9462388U JPH0218627U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218627U true JPH0218627U (en) | 1990-02-07 |
Family
ID=31319178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9462388U Pending JPH0218627U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218627U (en) |
-
1988
- 1988-07-19 JP JP9462388U patent/JPH0218627U/ja active Pending