JP6400319B2 - 内燃機関の動弁機構用のカム - Google Patents
内燃機関の動弁機構用のカム Download PDFInfo
- Publication number
- JP6400319B2 JP6400319B2 JP2014072129A JP2014072129A JP6400319B2 JP 6400319 B2 JP6400319 B2 JP 6400319B2 JP 2014072129 A JP2014072129 A JP 2014072129A JP 2014072129 A JP2014072129 A JP 2014072129A JP 6400319 B2 JP6400319 B2 JP 6400319B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- cam
- cam lobe
- cylindrical surface
- base circle
- 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.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 14
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 239000000446 fuel Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
5…排気バルブ
30、50…弁体
33、53…駆動体(バルブリフタ)
6…カム
6a…カムローブ
6b…ベースサークル
62a…円筒面
62b…傾斜面
62c…保護部
Claims (1)
- 内燃機関の吸気バルブ又は排気バルブの開閉駆動に用いられる動弁機構用のカムであって、
吸気バルブ又は排気バルブの弁体を駆動する駆動体を押圧するカムローブと、
カムローブに連なりベースサークルの一部をなすとともに前記駆動体に対して近接する円筒面と、
円筒面の側方に位置し軸方向に対して傾斜した方向を向き周方向に沿って拡張している傾斜面と、
前記円筒面と前記傾斜面とが交わる角部を面取りし又は角部にRを付けたものであり周方向に沿って途切れることなく延長している保護部と
を具備し、
前記円筒面、前記傾斜面及び前記保護部を備えるベースサークル部が、カムローブを形作るカムローブ部よりも薄肉となっており、
前記ベースサークル部を前記カムローブ部よりも薄肉とするべく、前記傾斜面はベースサークル部における前記円筒面に隣接する部位にのみ設けられ、カムローブ部には設けられておらず、
前記カムローブと比較して前記軸方向に沿った幅が狭い前記円筒面と、その円筒面の側方にあって前記ベースサークル部を前記カムローブ部よりも薄肉とするべく設けられた傾斜面とが交わる部位に、前記保護部が形成され、
前記保護部が、前記カムローブ部における前記カムローブの側端よりも前記軸方向に沿って内方に位置している内燃機関の動弁機構用のカム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014072129A JP6400319B2 (ja) | 2014-03-31 | 2014-03-31 | 内燃機関の動弁機構用のカム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014072129A JP6400319B2 (ja) | 2014-03-31 | 2014-03-31 | 内燃機関の動弁機構用のカム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015194114A JP2015194114A (ja) | 2015-11-05 |
JP6400319B2 true JP6400319B2 (ja) | 2018-10-03 |
Family
ID=54433356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014072129A Active JP6400319B2 (ja) | 2014-03-31 | 2014-03-31 | 内燃機関の動弁機構用のカム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6400319B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6818644B2 (ja) * | 2017-06-30 | 2021-01-20 | 株式会社クボタ | エンジン用回転軸 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5440322U (ja) * | 1977-08-26 | 1979-03-17 | ||
JPS59194502U (ja) * | 1983-06-10 | 1984-12-24 | 本田技研工業株式会社 | 内燃機関のカム |
JPS62237015A (ja) * | 1986-04-08 | 1987-10-17 | Musashi Seimitsu Ind Co Ltd | 組立カムシヤフト |
DE3736453A1 (de) * | 1987-10-28 | 1989-05-11 | Schwaebische Huettenwerke Gmbh | Verfahren zur herstellung einer nockenwelle |
DE3913104C1 (ja) * | 1989-04-21 | 1990-06-28 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
JPH04101007A (ja) * | 1990-08-13 | 1992-04-02 | Asahi Tec Corp | エンジン用カム軸およびその製造方法 |
JP2001082111A (ja) * | 1999-09-17 | 2001-03-27 | Isuzu Motors Ltd | 内燃機関用カムシャフト |
JP2008121433A (ja) * | 2006-11-08 | 2008-05-29 | Otics Corp | カムシャフト及びその製造方法 |
JP5162265B2 (ja) * | 2008-01-29 | 2013-03-13 | 本田技研工業株式会社 | カム構造、カムシャフト、及び、カムの表面処理方法 |
-
2014
- 2014-03-31 JP JP2014072129A patent/JP6400319B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2015194114A (ja) | 2015-11-05 |
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