JPH0287911U - - Google Patents

Info

Publication number
JPH0287911U
JPH0287911U JP16802988U JP16802988U JPH0287911U JP H0287911 U JPH0287911 U JP H0287911U JP 16802988 U JP16802988 U JP 16802988U JP 16802988 U JP16802988 U JP 16802988U JP H0287911 U JPH0287911 U JP H0287911U
Authority
JP
Japan
Prior art keywords
view
stem
comparative example
valve
stem according
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
JP16802988U
Other languages
English (en)
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 JP16802988U priority Critical patent/JPH0287911U/ja
Publication of JPH0287911U publication Critical patent/JPH0287911U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/08—Valves guides; Sealing of valve stem, e.g. sealing by lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2810/00—Arrangements solving specific problems in relation with valve gears
    • F01L2810/02—Lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例１に係るセラミツクス
製吸排気バルブをシリンダヘツドに装着した状態
を示す一部断面正面図、第２図は第１のｍ−ｍ線
矢視断面図、第３図は本実施例２に係るステムの
正面図、第４図は本実施例３に係るステムの正面
図、第５図は比較例１に係るステムの正面図、第
６図は比較例２に係るステムの正面図、第７図は
比較例３に係るステムの正面図、第８図は比較例
４に係るステムの正面図、第９図は本実施例及び
比較例に係るセラミツクス製吸排気バルブとバル
ブ製造時における割れ発生率との関係を表す図で
ある。 １……バルブフエース、２……ステム（部）、
３……凹部、１０……シリンダヘツド、１１……
バルブシート、１２……ステムガイド、１３……
リテーナ、１４……バルブスプリング、１５……
シール、１６……スナツプリング。

Claims (1)

    【実用新案登録請求の範囲】
  1. 少なくともステム部表面に点在する複数の凹部
    を有することを特徴とするセラミツクス製吸排気
    バルブ。
JP16802988U 1988-12-26 1988-12-26 Pending JPH0287911U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16802988U JPH0287911U (ja) 1988-12-26 1988-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16802988U JPH0287911U (ja) 1988-12-26 1988-12-26

Publications (1)

Publication Number Publication Date
JPH0287911U true JPH0287911U (ja) 1990-07-12

Family

ID=31456850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16802988U Pending JPH0287911U (ja) 1988-12-26 1988-12-26

Country Status (1)

Country Link
JP (1) JPH0287911U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6361705A (ja) * 1986-09-03 1988-03-17 Ngk Spark Plug Co Ltd セラミツク製バルブ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6361705A (ja) * 1986-09-03 1988-03-17 Ngk Spark Plug Co Ltd セラミツク製バルブ

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