JPH0254311U - - Google Patents

Info

Publication number
JPH0254311U
JPH0254311U JP13430488U JP13430488U JPH0254311U JP H0254311 U JPH0254311 U JP H0254311U JP 13430488 U JP13430488 U JP 13430488U JP 13430488 U JP13430488 U JP 13430488U JP H0254311 U JPH0254311 U JP H0254311U
Authority
JP
Japan
Prior art keywords
oil pump
spool
discharge pressure
hydraulic passage
camshaft
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
Application number
JP13430488U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP13430488U priority Critical patent/JPH0254311U/ja
Publication of JPH0254311U publication Critical patent/JPH0254311U/ja
Pending legal-status Critical Current

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  • Valve Device For Special Equipments (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図は本考案の一実施例を示し、第
１図はデコンプ装置の要部断面図、第２図は第１
図の―断面図、第３図は従来のデコンプ装置
の要部拡大図である。 １２……カムシヤフト、１２ｂ……カム、１２
ｄ……油圧通路、１３ｂ……バルブ開閉手段（タ
ペツト）、１５……オイルポンプ、１６……スプ
ール、１８……リターンスプリング、１９……デ
コンプピン。 1 and 2 show one embodiment of the present invention, FIG. 1 is a sectional view of the main part of the decompression device, and FIG.
The cross-sectional view in the figure and FIG. 3 are enlarged views of main parts of a conventional decompression device. 12...Camshaft, 12b...Cam, 12
d... Hydraulic passage, 13b... Valve opening/closing means (tapepet), 15... Oil pump, 16... Spool, 18... Return spring, 19... Decompression pin.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カムシヤフトに、オイルポンプに連通する油圧
通路が穿設され、この油圧通路に、リターンスプ
リングの付勢力と上記オイルポンプの吐出圧との
差によつて移動するスプールが挿通され、またこ
のスプールに、上記オイルポンプの吐出圧が低圧
で且つ圧縮行程時の上記カムシヤフトに設けられ
たカムに摺接するバルブ開閉手段を強制的にリフ
トアツプさせるデコンプピンが突設されているこ
とを特徴とするエンジンのデコンプ装置。 A hydraulic passage communicating with the oil pump is bored in the camshaft, and a spool that moves due to the difference between the biasing force of the return spring and the discharge pressure of the oil pump is inserted into the hydraulic passage, and the spool has a A decompression device for an engine, characterized in that the discharge pressure of the oil pump is low and a decompression pin is protruded to forcibly lift up a valve opening/closing means slidingly in contact with a cam provided on the camshaft during a compression stroke.
JP13430488U 1988-10-13 1988-10-13 Pending JPH0254311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13430488U JPH0254311U (en) 1988-10-13 1988-10-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13430488U JPH0254311U (en) 1988-10-13 1988-10-13

Publications (1)

Publication Number Publication Date
JPH0254311U true JPH0254311U (en) 1990-04-19

Family

ID=31392941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13430488U Pending JPH0254311U (en) 1988-10-13 1988-10-13

Country Status (1)

Country Link
JP (1) JPH0254311U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002371820A (en) * 2001-06-15 2002-12-26 Kawasaki Heavy Ind Ltd Internal combustion engine decompression device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002371820A (en) * 2001-06-15 2002-12-26 Kawasaki Heavy Ind Ltd Internal combustion engine decompression device

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