JPH0319409U

JPH0319409U -

Info

Publication number: JPH0319409U
Application number: JP7957889U
Authority: JP
Priority date: 1989-07-07
Filing date: 1989-07-07
Publication date: 1991-02-26

Description

[Brief explanation of drawings]

第１図は本考案のバルブ手段の取付け個所を示
す概略図、第２図は実施例のバルブ手段の概略図
、第３図はエンジントルク−エンジン回転数の関
係グラフ、第４図は従来のオイルジエツト噴出経
路を示す概略図、第５図はデイーゼルエンジンの
概略断面図である。１……クランクケース、２……オイルジエツト
噴出ノズル、３……ピストン、３ａ……オイルリ
ング、４……オイルパン、５……オイル、６……
オイルフイルタ、７……オイルポンプ、８……オ
イル流路、８ａ……オイルジエツト噴出ノズル側
オイル通路、８ｂ……オイルポンプ側オイル流路
、９……バルブ手段、１０……筒体、１０ａ……
筒体縮径部、１０ｂ……筒体背面、１１……弁体
、１１ａ……弁体縮径部、１１ｂ……弁体背面、
１２……弁体駆動軸、１３……アクセルペダル、
１４……駆動手段、１５……スプリング（緩衝手
段）、Ａ……空間、Ｂ……高速低負荷域。 Fig. 1 is a schematic diagram showing the installation location of the valve means of the present invention, Fig. 2 is a schematic diagram of the valve means of the embodiment, Fig. 3 is a graph of the relationship between engine torque and engine speed, and Fig. 4 is a diagram of the conventional valve means. FIG. 5 is a schematic diagram showing the oil jet ejection path, and FIG. 5 is a schematic cross-sectional view of the diesel engine. 1... Crank case, 2... Oil jet jet nozzle, 3... Piston, 3a... Oil ring, 4... Oil pan, 5... Oil, 6...
Oil filter, 7... Oil pump, 8... Oil passage, 8a... Oil jet jet nozzle side oil passage, 8b... Oil pump side oil passage, 9... Valve means, 10... Cylindrical body, 10a... …
Cylinder body reduced diameter part, 10b...Cylinder body back surface, 11...Valve body, 11a...Valve body diameter reduction part, 11b...Valve body back surface,
12... Valve body drive shaft, 13... Accelerator pedal,
14...Driving means, 15...Spring (buffering means), A...Space, B...High speed and low load range.

Claims

[Scope of utility model registration request]

In an oil supply device for an internal combustion engine that supplies oil from an oil pump and injects jet oil onto the lower surface of a piston of an internal combustion engine, a valve means is provided in the middle of an oil flow path, and the valve means is closed when the internal combustion engine is at high speed and under low load. 1. An oil supply device for an internal combustion engine, characterized in that it is equipped with a control means for controlling.