JPS63136241U - - Google Patents
Info
- Publication number
- JPS63136241U JPS63136241U JP2774887U JP2774887U JPS63136241U JP S63136241 U JPS63136241 U JP S63136241U JP 2774887 U JP2774887 U JP 2774887U JP 2774887 U JP2774887 U JP 2774887U JP S63136241 U JPS63136241 U JP S63136241U
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- circumferential surface
- insulating material
- combustion engine
- internal combustion
- 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
Links
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 2
Description
第１図は本考案の一実施例に係る内燃機関の吸
気ポートの要部を示す縦断面図、第２図は断熱材
の要部を拡大して示す縦断面図、第３図は他の実
施例に係る断熱材の要部を拡大して示す縦断面図
である。
１……シリンダヘツド、２……吸気ポート、２
ａ……吸気ポート壁、４……ウオータジヤケツト
、５……吸気弁、２０……吸気弁シート、３０，
４０……断熱材、３１，５１……断熱材内周面、
３２……断熱材外周面。
Fig. 1 is a vertical sectional view showing the main part of an intake port of an internal combustion engine according to an embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing an enlarged main part of the heat insulating material, and Fig. 3 is a longitudinal sectional view showing the main part of an internal combustion engine according to an embodiment of the present invention. FIG. 2 is an enlarged vertical cross-sectional view of a main part of a heat insulating material according to an example. 1...Cylinder head, 2...Intake port, 2
a...Intake port wall, 4...Water jacket, 5...Intake valve, 20...Intake valve seat, 30,
40... Insulating material, 31, 51... Inner peripheral surface of insulating material,
32...Insulating material outer peripheral surface.
Claims (1)
オータジヤケツトを近接して配設した内燃機関の
吸気ポートにおいて、 上記吸気ポートには断熱材が介装され、この断
熱材は内周面および外周面を備えるリング状に形
成されており、内周面により吸気ポート壁の一部
を構成し、外周面をウオータジヤケツト近傍まで
延出させて吸気弁シート近傍に埋設されることを
特徴とする内燃機関の吸気ポート。[Scope of Claim for Utility Model Registration] In an intake port of an internal combustion engine in which a water jacket is disposed close to an intake port formed in a cylinder head, a heat insulating material is interposed in the intake port, and the heat insulating material is formed into a ring shape with an inner circumferential surface and an outer circumferential surface, and the inner circumferential surface constitutes a part of the intake port wall, and the outer circumferential surface extends to the vicinity of the water jacket and is buried near the intake valve seat. An intake port of an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774887U JPS63136241U (en) | 1987-02-26 | 1987-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774887U JPS63136241U (en) | 1987-02-26 | 1987-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63136241U true JPS63136241U (en) | 1988-09-07 |
Family
ID=30830071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2774887U Pending JPS63136241U (en) | 1987-02-26 | 1987-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63136241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194479A (en) * | 2015-05-27 | 2016-12-07 | 丰田自动车株式会社 | Internal combustion engine |
-
1987
- 1987-02-26 JP JP2774887U patent/JPS63136241U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194479A (en) * | 2015-05-27 | 2016-12-07 | 丰田自动车株式会社 | Internal combustion engine |
| JP2016223303A (en) * | 2015-05-27 | 2016-12-28 | トヨタ自動車株式会社 | Internal combustion engine |
| US9964066B2 (en) | 2015-05-27 | 2018-05-08 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine |
| EP3098425B1 (en) * | 2015-05-27 | 2019-08-21 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine |