JPH01102455U - - Google Patents
Info
- Publication number
- JPH01102455U JPH01102455U JP19754387U JP19754387U JPH01102455U JP H01102455 U JPH01102455 U JP H01102455U JP 19754387 U JP19754387 U JP 19754387U JP 19754387 U JP19754387 U JP 19754387U JP H01102455 U JPH01102455 U JP H01102455U
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- continuous fibers
- vibration damping
- head cover
- cylinder head
- 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
- 239000000835 fiber Substances 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例に係る連続繊維を用
いた制振カバーの平面図、第２図イないしニは第
１図の制振カバーの製造工程図、第３図は第２図
における下型の断面図、第４図は第３図における
ピンの部分拡大正面図、第５図は第１図の制振カ
バーの頂面における面張力の分布図、第６図は金
属製シリンダヘツドカバーの平面図、第７図は金
属製シリンダヘツドカバーにおける振動周波数と
加速度との関係を示した特性図、第８図はアルミ
ニウム合金からなるシリンダヘツドカバーにおけ
る膜振動モード図、第９図はプレス成形された鋼
板製シリンダヘツドカバーにおける膜振動モード
図、第１０図は放射音のシンク現象を示す特性図
、第１１図は従来のＦＲＰ製シリンダヘツドカバ
ーの頂面における膜振動モード図、である。
１３……高弾性率連続繊維としてのカーボン繊
維、１４……低弾性率連続繊維としてのガラス繊
維、１６……熱硬化性樹脂、１７……制振カバー
としてのシリンダヘツドカバー。
Fig. 1 is a plan view of a vibration damping cover using continuous fibers according to an embodiment of the present invention, Fig. 2 A to D are manufacturing process diagrams of the vibration damping cover of Fig. 1, and Fig. 3 is a diagram of Fig. 2. 4 is a partially enlarged front view of the pin in FIG. 3, FIG. 5 is a distribution diagram of surface tension on the top surface of the damping cover in FIG. 1, and FIG. 6 is a diagram of the metal cylinder. A plan view of the head cover, Figure 7 is a characteristic diagram showing the relationship between vibration frequency and acceleration in a metal cylinder head cover, Figure 8 is a membrane vibration mode diagram in a cylinder head cover made of aluminum alloy, and Figure 9 is a characteristic diagram showing the relationship between vibration frequency and acceleration in a cylinder head cover made of an aluminum alloy. A membrane vibration mode diagram of a press-formed steel cylinder head cover, Figure 10 is a characteristic diagram showing the sinking phenomenon of radiated sound, and Figure 11 is a membrane vibration mode diagram of the top surface of a conventional FRP cylinder head cover. be. 13...Carbon fiber as a high modulus continuous fiber, 14...Glass fiber as a low modulus continuous fiber, 16...Thermosetting resin, 17...Cylinder head cover as a vibration damping cover.
Claims (1)
いて、前記繊維を弾性率の異なる複数種の連続繊
維から構成し、該複数種の連続繊維に異なる張力
を与えた状態で樹脂と該各連続繊維とを一体成形
したことを特徴とする連続繊維を用いた制振カバ
ー。 In a vibration damping cover made of a resin reinforced with fibers, the fibers are composed of multiple types of continuous fibers having different moduli of elasticity, and the resin and each of the continuous fibers are applied with different tensions to the multiple types of continuous fibers. A vibration damping cover using continuous fibers, which is characterized by being integrally molded with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19754387U JPH01102455U (en) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19754387U JPH01102455U (en) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102455U true JPH01102455U (en) | 1989-07-11 |
Family
ID=31488089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19754387U Pending JPH01102455U (en) | 1987-12-28 | 1987-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102455U (en) |
-
1987
- 1987-12-28 JP JP19754387U patent/JPH01102455U/ja active Pending
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