JPH03104113U - - Google Patents
Info
- Publication number
- JPH03104113U JPH03104113U JP1269690U JP1269690U JPH03104113U JP H03104113 U JPH03104113 U JP H03104113U JP 1269690 U JP1269690 U JP 1269690U JP 1269690 U JP1269690 U JP 1269690U JP H03104113 U JPH03104113 U JP H03104113U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- pair
- discharge passages
- discharge
- pump chamber
- 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
- 239000003921 oil Substances 0.000 claims description 7
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案に係るエンジンの潤滑油供給装
置の概略構成図、第２図は本実施例に採用したメ
タリングオイルポンプの平断面図で第５図に相応
する図、第３図はメタリングオイルポンプの要部
を示すもので第２図中の−線部における矢視
方向からの断面図、第４図は従来のメタリングオ
イルポンプの主要構成を示す側断面図で本実施例
にも共通する図、第５図は従来のメタリングオイ
ルポンプを示すもので第４図中の−線部にお
ける矢視方向の平断面図、第６図は第１プランジ
ヤーの一端面に一体形成されたエンドカムと係止
突起とを示す図、第７図はメタリングオイルポン
プの１つの吐出通路を吸入通路に連通構成した例
を示す第５図における−栓部位の矢視方向か
らの断面図である。
２Ａ……メタリングオイルポンプ、４……ポン
プボデイ、６……プランジヤー室、８……プラン
ジヤー、１０……カム機構、２２Ａ……大容量側
のポンプ室、２４Ａ……小容量側のポンプ室、４
６……吐出ポート、５４，５６……吐出通路、６
０……エンジン、７２……作動室（燃焼室）、９
４……給油通路。
Fig. 1 is a schematic configuration diagram of an engine lubricating oil supply system according to the present invention, Fig. 2 is a plan cross-sectional view of the metering oil pump adopted in this embodiment and corresponds to Fig. 5, and Fig. 3 is This figure shows the main parts of a metering oil pump, and is a cross-sectional view taken from the - line in Figure 2 in the direction of the arrow. Figure 4 is a side cross-sectional view showing the main components of a conventional metering oil pump, and is a cross-sectional view of the present embodiment. FIG. 5 shows a conventional metering oil pump, and is a plan cross-sectional view in the direction of the arrow at the - line in FIG. 4, and FIG. FIG. 7 is a cross-sectional view of the plug portion in FIG. 5, taken in the direction of the arrow, showing an example in which one discharge passage of the metering oil pump is configured to communicate with the suction passage. It is. 2A...Metering oil pump, 4...Pump body, 6...Plunger chamber, 8...Plunger, 10...Cam mechanism, 22A...Pump chamber on the large capacity side, 24A...Pump chamber on the small capacity side, 4
6...Discharge port, 54, 56...Discharge passage, 6
0...Engine, 72...Working chamber (combustion chamber), 9
4...Refueling passage.
Claims (1)
ー室内に摺動可能に嵌合挿入されて１回転される
毎に２往復してポンプ室の容積を拡縮するプラン
ジヤーと、 前記プランジヤー室の内周面に対向されて開口
形成された一対の吐出通路と、 前記ポンプ室と前記プランジヤーの外周面とを
結んで該プランジヤーに形成され、吐出行程時に
前記一対の吐出通路の一方に交互に連通する吐出
ポートと、 前記一対の吐出通路を通じて吐出される潤滑油
を合流させてエンジンの単一の燃焼室に導く給油
通路と、 を備えたことを特徴とするエンジンの潤滑油供給
装置。[Scope of Claim for Utility Model Registration] A plunger that is slidably inserted into a cylindrical plunger chamber formed in a pump body and reciprocates twice each time it is rotated to expand and contract the volume of the pump chamber; A pair of discharge passages are formed in the plunger to connect the pump chamber and the outer circumference of the plunger, and a pair of discharge passages are formed in the plunger to connect the pump chamber and the outer circumference of the plunger, and a pair of discharge passages are formed in the plunger to connect the pump chamber and the outer circumference of the plunger, and the discharge passages are opened alternately in one of the pair of discharge passages during the discharge stroke. A lubricating oil supply device for an engine, comprising: a discharge port that communicates with the pair of discharge passages; and an oil supply passage that merges the lubricating oil discharged through the pair of discharge passages and leads them to a single combustion chamber of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1269690U JPH03104113U (en) | 1990-02-14 | 1990-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1269690U JPH03104113U (en) | 1990-02-14 | 1990-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104113U true JPH03104113U (en) | 1991-10-29 |
Family
ID=31516155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1269690U Pending JPH03104113U (en) | 1990-02-14 | 1990-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104113U (en) |
-
1990
- 1990-02-14 JP JP1269690U patent/JPH03104113U/ja active Pending
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