JPH02115957U - - Google Patents
Info
- Publication number
- JPH02115957U JPH02115957U JP2475689U JP2475689U JPH02115957U JP H02115957 U JPH02115957 U JP H02115957U JP 2475689 U JP2475689 U JP 2475689U JP 2475689 U JP2475689 U JP 2475689U JP H02115957 U JPH02115957 U JP H02115957U
- Authority
- JP
- Japan
- Prior art keywords
- intake manifold
- branch pipe
- joint surface
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案に係る第１実施例を示す内燃機
関の部分断面図、第２図は本考案に係る第２実施
例を示す吸気マニホールドの断面図、第３図は本
考案の作用を説明する内燃機関における温度分布
図、第４図は従来例の場合の内燃機関における温
度分布図、第５図は従来の吸気マニホールドの一
例を示す部分断面図である。
１……内燃機関、３……吸気マニホールド、３
ｂ……枝管、４……シリンダヘツド、８……フラ
ンジ部、１３……シリンダヘツド結合面、１４…
…枝管内面、２０……ジルコニア、３０……空気
層。
Fig. 1 is a partial sectional view of an internal combustion engine showing a first embodiment of the invention, Fig. 2 is a sectional view of an intake manifold showing a second embodiment of the invention, and Fig. 3 shows the operation of the invention. FIG. 4 is a temperature distribution diagram in an internal combustion engine to be described. FIG. 4 is a temperature distribution diagram in a conventional internal combustion engine. FIG. 5 is a partial sectional view showing an example of a conventional intake manifold. 1...Internal combustion engine, 3...Intake manifold, 3
b... Branch pipe, 4... Cylinder head, 8... Flange portion, 13... Cylinder head coupling surface, 14...
... Branch pipe inner surface, 20 ... Zirconia, 30 ... Air layer.
Claims (1)
結合面と、該枝管内面の少なくとも前記結合面近
傍とに、夫々断熱層を設けたことを特徴とする内
燃機関の吸気マニホールド。 An intake manifold for an internal combustion engine, characterized in that a heat insulating layer is provided on a joint surface between a cylinder head and a branch pipe of the intake manifold, and at least in the vicinity of the joint surface on the inner surface of the branch pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2475689U JPH02115957U (en) | 1989-03-06 | 1989-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2475689U JPH02115957U (en) | 1989-03-06 | 1989-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02115957U true JPH02115957U (en) | 1990-09-17 |
Family
ID=31244888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2475689U Pending JPH02115957U (en) | 1989-03-06 | 1989-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02115957U (en) |
-
1989
- 1989-03-06 JP JP2475689U patent/JPH02115957U/ja active Pending