JPH0476907U - - Google Patents

Info

Publication number
JPH0476907U
JPH0476907U JP12034190U JP12034190U JPH0476907U JP H0476907 U JPH0476907 U JP H0476907U JP 12034190 U JP12034190 U JP 12034190U JP 12034190 U JP12034190 U JP 12034190U JP H0476907 U JPH0476907 U JP H0476907U
Authority
JP
Japan
Prior art keywords
internal combustion
hollow
hollow valve
cooling medium
uneven portion
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.)
Granted
Application number
JP12034190U
Other languages
Japanese (ja)
Other versions
JP2547383Y2 (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 JP1990120341U priority Critical patent/JP2547383Y2/en
Publication of JPH0476907U publication Critical patent/JPH0476907U/ja
Application granted granted Critical
Publication of JP2547383Y2 publication Critical patent/JP2547383Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は、本考案の第１実施例の中空弁を示す
中央縦断正面図、第２図は、同じく第２実施例の
中空弁を示す要部の縦断正面図、第３図は、同じ
く第３実施例の中空弁を示す要部の縦断正面図で
ある。 １……傘部、１ａ……前面、１ｂ……開口部、
２……ステム、３……環状凹溝、４……中空孔、
４ａ……小径孔、４ｂ……大径孔、５……凹凸部
、６……金属ナトリウム（冷却媒体）、７……空
隙、８……閉塞板、９，１１……大径孔、１０，
１２……凹凸部。 FIG. 1 is a central longitudinal sectional front view showing a hollow valve according to a first embodiment of the present invention, FIG. FIG. 7 is a longitudinal sectional front view of a main part showing a hollow valve of a third embodiment. 1... Umbrella part, 1a... Front, 1b... Opening,
2... Stem, 3... Annular groove, 4... Hollow hole,
4a...Small diameter hole, 4b...Large diameter hole, 5...Irregular portion, 6...Metal sodium (cooling medium), 7...Void, 8...Closing plate, 9, 11...Large diameter hole, 10 ，
12...Uneven portion.

Claims (1)

【実用新案登録請求の範囲】 (1) 傘部からステムの適所までにかけて穿設さ
れた中空孔内に、冷却媒体を封入してなる内燃機
関用中空弁において、 前記少なくとも傘部内における中空孔の内周面
に、凹凸部を設けたことを特徴とする内燃機関用
中空弁。 (2) 凹凸部が、階段状をなすものである請求項(
1)記載の内燃機関用中空弁。[Scope of Claim for Utility Model Registration] (1) A hollow valve for an internal combustion engine in which a cooling medium is sealed in a hollow hole bored from a cap part to an appropriate position of a stem, wherein at least the hollow hole in the cap part is filled with a cooling medium; A hollow valve for an internal combustion engine characterized by having an uneven portion on its inner peripheral surface. (2) A claim in which the uneven portion is step-like (
1) Hollow valve for internal combustion engines as described.
JP1990120341U 1990-11-19 1990-11-19 Hollow valves for internal combustion engines Expired - Lifetime JP2547383Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990120341U JP2547383Y2 (en) 1990-11-19 1990-11-19 Hollow valves for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990120341U JP2547383Y2 (en) 1990-11-19 1990-11-19 Hollow valves for internal combustion engines

Publications (2)

Publication Number Publication Date
JPH0476907U true JPH0476907U (en) 1992-07-06
JP2547383Y2 JP2547383Y2 (en) 1997-09-10

Family

ID=31868252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990120341U Expired - Lifetime JP2547383Y2 (en) 1990-11-19 1990-11-19 Hollow valves for internal combustion engines

Country Status (1)

Country Link
JP (1) JP2547383Y2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226127A (en) * 2005-02-15 2006-08-31 Sanden Corp Electric compressor
KR101358692B1 (en) * 2012-10-02 2014-02-07 니탄 밸브 가부시키가이샤 Hollow poppet valve
WO2014054613A1 (en) * 2012-10-02 2014-04-10 日鍛バルブ株式会社 Hollow poppet valve
WO2014141416A1 (en) * 2013-03-14 2014-09-18 日鍛バルブ株式会社 Hollow poppet valve
WO2014147759A1 (en) * 2013-03-19 2014-09-25 日鍛バルブ株式会社 Hollow poppet valve
WO2014167694A1 (en) * 2013-04-11 2014-10-16 日鍛バルブ株式会社 Hollow poppet valve
WO2019180806A1 (en) * 2018-03-20 2019-09-26 日鍛バルブ株式会社 Hollow exhaust poppet valve
CN112752895A (en) * 2018-11-12 2021-05-04 日锻汽门株式会社 Method for manufacturing poppet valve of engine
WO2022195730A1 (en) * 2021-03-16 2022-09-22 フジオーゼックス株式会社 Hollow engine valve and production method for same
US11850690B2 (en) 2020-03-30 2023-12-26 Nittan Corporation Method for manufacturing engine poppet valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6316588B2 (en) * 2013-12-27 2018-04-25 日本ピストンリング株式会社 Combining valve and valve seat for internal combustion engine
WO2015170384A1 (en) * 2014-05-08 2015-11-12 日鍛バルブ株式会社 Hollow poppet valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108811A (en) * 1982-12-14 1984-06-23 Ishikawajima Harima Heavy Ind Co Ltd Exhaust valve device of internal-combustion engine
JPS62102806U (en) * 1985-12-18 1987-06-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108811A (en) * 1982-12-14 1984-06-23 Ishikawajima Harima Heavy Ind Co Ltd Exhaust valve device of internal-combustion engine
JPS62102806U (en) * 1985-12-18 1987-06-30

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006226127A (en) * 2005-02-15 2006-08-31 Sanden Corp Electric compressor
CN104685168A (en) * 2012-10-02 2015-06-03 日锻汽门株式会社 Hollow poppet valve
US9689506B2 (en) 2012-10-02 2017-06-27 Nittan Valve Co., Ltd. Hollow poppet valve
WO2014054302A1 (en) * 2012-10-02 2014-04-10 日鍛バルブ株式会社 Hollow poppet valve
WO2014054613A1 (en) * 2012-10-02 2014-04-10 日鍛バルブ株式会社 Hollow poppet valve
WO2014054113A1 (en) * 2012-10-02 2014-04-10 日鍛バルブ株式会社 Hollow poppet valve
JPWO2014054302A1 (en) * 2012-10-02 2016-08-25 日鍛バルブ株式会社 Hollow poppet valve
KR101358692B1 (en) * 2012-10-02 2014-02-07 니탄 밸브 가부시키가이샤 Hollow poppet valve
JP5463439B1 (en) * 2012-10-02 2014-04-09 日鍛バルブ株式会社 Hollow poppet valve
EP2905436A4 (en) * 2012-10-02 2016-07-27 Nittan Valva Hollow poppet valve
US9175788B2 (en) 2012-10-02 2015-11-03 Nittan Valve Co., Ltd. Hollow poppet valve
CN104981589A (en) * 2013-03-14 2015-10-14 日锻汽门株式会社 Hollow poppet valve
US9611953B2 (en) 2013-03-14 2017-04-04 Nittan Valve Co., Ltd. Hollow poppet valve
WO2014141416A1 (en) * 2013-03-14 2014-09-18 日鍛バルブ株式会社 Hollow poppet valve
JP6033402B2 (en) * 2013-03-14 2016-11-30 日鍛バルブ株式会社 Hollow poppet valve
WO2014147759A1 (en) * 2013-03-19 2014-09-25 日鍛バルブ株式会社 Hollow poppet valve
JPWO2014167694A1 (en) * 2013-04-11 2017-02-16 日鍛バルブ株式会社 Hollow poppet valve
WO2014167694A1 (en) * 2013-04-11 2014-10-16 日鍛バルブ株式会社 Hollow poppet valve
US9920663B2 (en) 2013-04-11 2018-03-20 Nittan Valve Co., Ltd. Hollow poppet valve
EP3667036A4 (en) * 2018-03-20 2020-09-02 Nittan Valve Co., Ltd. Hollow exhaust poppet valve
JP6653050B1 (en) * 2018-03-20 2020-02-26 日鍛バルブ株式会社 Hollow poppet valve for exhaust
CN110914520A (en) * 2018-03-20 2020-03-24 日锻汽门株式会社 Hollow lift valve for exhaust
WO2019180806A1 (en) * 2018-03-20 2019-09-26 日鍛バルブ株式会社 Hollow exhaust poppet valve
US11300018B2 (en) 2018-03-20 2022-04-12 Nittan Valve Co., Ltd. Hollow exhaust poppet valve
CN112752895A (en) * 2018-11-12 2021-05-04 日锻汽门株式会社 Method for manufacturing poppet valve of engine
US11536167B2 (en) 2018-11-12 2022-12-27 Nittan Valve Co., Ltd. Method for manufacturing engine poppet valve
CN112752895B (en) * 2018-11-12 2023-10-13 日锻株式会社 Method for manufacturing poppet valve of engine
US11850690B2 (en) 2020-03-30 2023-12-26 Nittan Corporation Method for manufacturing engine poppet valve
WO2022195730A1 (en) * 2021-03-16 2022-09-22 フジオーゼックス株式会社 Hollow engine valve and production method for same

Also Published As

Publication number Publication date
JP2547383Y2 (en) 1997-09-10

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