JPS5844429U

JPS5844429U - Oil jet for piston cooling

Info

Publication number: JPS5844429U
Application number: JP13884381U
Authority: JP
Inventors: 阿部　栄
Original assignee: 厚木自動車部品株式会社
Priority date: 1981-09-18
Filing date: 1981-09-18
Publication date: 1983-03-25

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

[Brief explanation of drawings]

第１図は高速高圧用ディーゼルピストンの一部切欠斜視
図、第２図はピストン冷却用オイルジェットの一部切欠
断面図、第３図ａおよび第゛３図すは従来のピストン冷
却用オイルジェットの流路とノズル部分の断面図、第４
図ａおよび第４図すは本考案のピストン冷却用オイルジ
ェットの流路とノズル部分の断面図である。１１・・・ピストン冷却用オイルジェット、１２・・・
オイル導入口、１３・・・バルブ室、１４・・・バルブ
、１５・・・コイルスプリング、１６・・・開口、１７
・・・流路、１７ａ・・・先端面、１８・・・ノズル、
１８ａ・・・内周面。Figure 1 is a partially cutaway perspective view of a high-speed, high-pressure diesel piston, Figure 2 is a partially cutaway sectional view of a piston cooling oil jet, and Figures 3a and 3 are conventional piston cooling oil jets. Cross-sectional view of the flow path and nozzle part, 4th
Figures a and 4 are cross-sectional views of the flow path and nozzle portion of the piston cooling oil jet of the present invention. 11... Piston cooling oil jet, 12...
Oil inlet, 13... Valve chamber, 14... Valve, 15... Coil spring, 16... Opening, 17
... Channel, 17a... Tip surface, 18... Nozzle,
18a...Inner peripheral surface.

Claims

[Scope of utility model registration request]

When cooling oil is introduced into the valve chamber 13 through the oil inlet 12, the hydraulic pressure of the introduced cooling oil pushes down the valve 14 in the valve chamber 13 against the spring force of the coil spring 15. Opening the opening 16 leading to
A piston cooling oil jet that injects cooling oil toward a piston from a piston cooling oil jet, characterized in that an inner circumferential surface 18a of the nozzle 18 and a distal end surface 17a of a flow path 17 are in contact with each other. jet.