JPH01229110A - Fiber-reinforced resin driving shaft - Google Patents
Fiber-reinforced resin driving shaftInfo
- Publication number
- JPH01229110A JPH01229110A JP3975588A JP3975588A JPH01229110A JP H01229110 A JPH01229110 A JP H01229110A JP 3975588 A JP3975588 A JP 3975588A JP 3975588 A JP3975588 A JP 3975588A JP H01229110 A JPH01229110 A JP H01229110A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- drive shaft
- rib
- fiber
- torsional buckling
- 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
- 229920005989 resin Polymers 0.000 title claims abstract description 25
- 239000011347 resin Substances 0.000 title claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 12
- 239000010439 graphite Substances 0.000 claims abstract description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 11
- 239000002657 fibrous material Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract description 2
- -1 etc. Substances 0.000 abstract 1
- 238000009751 slip forming Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001235534 Graphis <ascomycete fungus> Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は車両用の駆動軸に関する。[Detailed description of the invention] Industrial applications The present invention relates to a drive shaft for a vehicle.
従来の技術とその問題点
車両の前部及び後部における自在継手を結合するのに車
両用駆動軸が用いられる。従来、駆動軸は通例両端にヨ
ークが結合され／、［装管から形成されてきた。最近に
なり車両の全重量を軽減するため駆動軸は主どしてガラ
ス繊維及びグラファイト！！雑からなる繊ｍ性材料を有
する繊維強化樹脂で製造されるようにへった。グラフア
イ１へ繊維は縦す向の剛性をイ・」与するという利点が
あるがガラスより高価である。BACKGROUND OF THE INVENTION Vehicle drive shafts are used to connect universal joints at the front and rear of a vehicle. In the past, drive shafts have typically been formed from tubes with yokes coupled to both ends. Recently, in order to reduce the overall weight of the vehicle, the drive shaft is mainly made of glass fiber and graphite! ! It is made of fiber-reinforced resin with a fibrous material consisting of various materials. Fibers have the advantage of imparting longitudinal stiffness to Graphi 1, but they are more expensive than glass.
駆動軸の説ｈ１においては縦曲げ−し一ドを一定周波数
より人とする必要がある。この周波数にり大きくない場
合には振動が発生して駆動軸が破損づることかある。ま
た駆動軸は剪断破Ｊ（１又は捩り破損を起こすことなく
Ｔンジンのトルクを伝えることがでさなければなら４【
い。駆動軸がエンジントルクを伝えられない場合（こは
捩り座屈が発作−して駆動軸の断面が変形し所与の最大
トルクで軸の破壊及び破損が起こる。In the theory h1 of the drive shaft, it is necessary to set the vertical bending direction to a constant frequency. If this frequency is not high enough, vibration may occur and the drive shaft may be damaged. In addition, the drive shaft must be able to transmit the torque of the T engine without causing shear failure J (1) or torsional failure (4).
stomach. If the drive shaft is unable to transmit the engine torque (in this case, torsional buckling occurs), the cross section of the drive shaft is deformed, and the shaft breaks and breaks at a given maximum torque.
捩り座屈は、例えば９０乃至１００インチ（２２８，６
乃至２５４ｃａ＋）程度の長い駆動軸においてより多く
発生覆る。捩り座屈は縦１ノ向剛性が増Ａようグラファ
イ］〜繊糾を増やすことＣ防什できるが、これは駆動軸
全体の］ストを相当押し上げる。Torsional buckling is, for example, 90 to 100 inches (228,6
It occurs more frequently on long drive shafts (about 254 ca+). Torsional buckling can be prevented by increasing the stiffness of the graphite in the longitudinal direction, but this considerably increases the stress of the entire drive shaft.
座屈を防ぐ第２のｊＪ法は、中間ベアリングにより支持
する口とて知く分（Ｊて駆動軸を禍成することである。A second method to prevent buckling is to support the drive shaft with an intermediate bearing.
この場合らベアリングの使用により駆動軸の二」ストが
増大する１、従って捩り座屈が起こりにくくされながら
ｂ安ｌ１１１ｉな繊維強化樹脂駆動軸が望まれていた。In this case, the use of a bearing increases the double-stroke of the drive shaft, so there has been a desire for a fiber-reinforced resin drive shaft that is less likely to cause torsional buckling and is also stable.
問題点を解決するだめの手段
本発明は繊維強化樹脂から４ヱる車両用駆動軸を改良す
るしのである。本発明によれば環状リブが駆動軸に一体
的に結合され軸から半径方向に突出する。リブは軸の長
さの一部分のみにおいて延在し軸の捩り座屈を実質的に
減少するのに充分な厚さを有する。Means for Solving the Problems The present invention seeks to improve a vehicle drive shaft made of fiber-reinforced resin. According to the invention, an annular rib is integrally connected to the drive shaft and projects radially from the shaft. The ribs extend only a portion of the length of the shaft and have a thickness sufficient to substantially reduce torsional buckling of the shaft.
本発明の一態様においては、リブは金属又は熱硬化性樹
脂が含浸された繊Ｈ竹材斜からなり駆動軸の外面に接合
される別体の環である。In one aspect of the present invention, the rib is a separate ring made of metal or a bamboo diagonal impregnated with a thermosetting resin and joined to the outer surface of the drive shaft.
本発明の第２の態様においては、リブは駆動軸の内面に
設けられる環である。本発明の更に別の態様では、駆動
軸の繊維竹材料が軸上外側へ突出するリブを形成するよ
う心棒の突出リブ上で巻回される。In a second aspect of the invention, the rib is a ring provided on the inner surface of the drive shaft. In yet another aspect of the invention, the fibrous bamboo material of the drive shaft is wrapped over the projecting ribs of the mandrel to form outwardly projecting ribs on the shaft.
本発明によれば軸の全体のコストを相当ｔこ押し上げる
グラファイト繊維を伺加することなく捩り座屈に対する
抵抗力が相当に増大される、１実施例
特に第１図及び第２図を参照するに、車両用駈動！１１
１１は、第１図では一万のみが丞されているが、両端に
ヨーク又は端部継手２が結合される、１駆動軸１は繊維
強化熱硬化性樹脂から形成される。、端部継手２は通常
鋼又はアルミニウムから形成され、軸１の両端は適宜の
方法で端部継手２のスリーブ部の周囲に接合される。In accordance with one embodiment of the present invention, the resistance to torsional buckling is significantly increased without the addition of graphite fibers which significantly increases the overall cost of the shaft, with particular reference to FIGS. 1 and 2. In, vehicle canter! 11
11, although only 10,000 is shown in FIG. 1, the yoke or end joint 2 is coupled to both ends of the drive shaft 1. The drive shaft 1 is made of fiber-reinforced thermosetting resin. , the end fitting 2 is usually made of steel or aluminium, and the ends of the shaft 1 are joined around the sleeve portion of the end fitting 2 in any suitable manner.
駆動軸］の形成には種々の繊紺性祠斜が用いられるが、
グラファイトを伴なうグラファイト繊維とカラス繊維の
組み合わせが特に好適である。、カラス繊維とグラファ
イト繊維の組み合わせを用いる場合にはグラフ１イト繊
組はＩＩ組性材料の約２０乃至６０重量％を占めるのが
好ましい。Various types of fibrous grains are used to form the drive shaft.
A combination of graphite fibers with graphite and glass fibers is particularly suitable. When a combination of glass fibers and graphite fibers is used, the graphite fibers preferably account for about 20 to 60% by weight of the Group II material.
熱硬化性樹脂どじでは１ボキシ樹脂又はポリＴスｉル樹
脂舌のフイラメンｌ〜巻回に通常用いられるどの樹脂で
もよい。In the case of thermosetting resin, any resin commonly used for winding the filament of the poly-T-silk resin tongue may be used.
繊維は、駆動軸を所望の厚さとするよう多重層又はパス
をなして螺旋状に巻回される実質状連続するストランド
からなる。繊維は繊維刊材斜の性質及び駆動軸の所望の
物理的性質に応じ種々の異なるパターン又は捩れ角で巻
回される。駆動軸に最良の縦方向剛性を付与するには約
１５°の捩れ角とするのが好ましい。The fibers consist of substantially continuous strands that are helically wound in multiple layers or passes to provide the desired thickness of the drive shaft. The fibers may be wound in a variety of different patterns or twist angles depending on the nature of the fiber stock and the desired physical properties of the drive shaft. A helix angle of approximately 15° is preferred to provide the best longitudinal stiffness to the drive shaft.
本発明においては、軸１に１つ又は複数の環状リブ又は
環３を設けることで捩れ小屈に対する抵抗力が改善され
る。第１図及び第２図に示す如く環３は略連続しており
、アルミニウム等の金属、あるいは繊維強化樹脂から形
成される。環３は適当な接着剤を用いて軸１の外面に接
合されるか、あるいは環が軸１の外面に接合するよう熱
硬化樹脂が含浸された繊維性材料の付加的な層が環３上
に巻回される。In the present invention, by providing the shaft 1 with one or more annular ribs or rings 3, the resistance to torsional bending is improved. As shown in FIGS. 1 and 2, the ring 3 is substantially continuous and is made of metal such as aluminum or fiber reinforced resin. The ring 3 is bonded to the outer surface of the shaft 1 using a suitable adhesive, or an additional layer of fibrous material impregnated with a thermoset resin is placed on the ring 3 so that the ring is bonded to the outer surface of the shaft 1. is wound around.
第３図は、外方突出リブを得られるよう軸１の外面上に
熱硬化性樹脂が含浸された繊維性材料の一連の螺旋状巻
回体４が設けられる。１！紺性材料はフィラメント巻回
で連弾用いられるガラスその他の繊維性材料でよく、軸
１の壁厚より大なる厚さを概して有するリブが得られる
よう数層に積層するように巻回される。１樹脂が硬化す
ると巻回体４は軸１に一体的に接合される。FIG. 3 shows that on the outer surface of the shaft 1 a series of helical turns 4 of fibrous material impregnated with a thermosetting resin are provided so as to obtain outwardly projecting ribs. 1! The dark blue material may be glass or other fibrous material used in continuous filament winding and is wound in several layers to obtain ribs which generally have a thickness greater than the wall thickness of the shaft 1. 1. When the resin is cured, the wound body 4 is integrally joined to the shaft 1.
第４図は、第１実施例の駆動軸１と同様駆動軸５に外方
突出周回リブ６が設けられる本発明の別の変形例を示す
。リブ６を形成するには、金属。FIG. 4 shows another modification of the invention in which the drive shaft 5 is provided with an outwardly projecting circumferential rib 6, similar to the drive shaft 1 of the first embodiment. To form the ribs 6, use metal.
プラスチック又は他の材料からなる環７が円柱状心棒８
周囲に嵌挿され、ついで熱硬化性樹脂が含浸された繊維
性ストランドが外方突出リブ６を有する軸５を形成する
よう環７上に多重積層をなして巻回される。巻回終了後
に、心棒８が抜かれて環７が駆動軸５の外面に一体的に
接合した構成が得られる。A ring 7 made of plastic or other material is attached to a cylindrical mandrel 8
The fibrous strands, which are inserted around the periphery and then impregnated with a thermosetting resin, are wound in multiple layers on the ring 7 to form the shaft 5 with outwardly projecting ribs 6. After winding is completed, the mandrel 8 is removed and a structure in which the ring 7 is integrally joined to the outer surface of the drive shaft 5 is obtained.
第５図は本発明の別の変形例を示す。この実施例では、
駆動＠９は駆動軸１と構成が類似し、軸９の内面から内
方に突出する内側リブが設けられる。FIG. 5 shows another modification of the invention. In this example,
The drive@9 is similar in construction to the drive shaft 1 and is provided with an inner rib projecting inwardly from the inner surface of the shaft 9.
第５図に示す構成を形成するには、心棒片１０及び１１
からなるツーピース式心棒組立体が用いられる。心棒片
１１の端には心棒１０の端と衝接する小径突部１２が設
けられる。金属、プラスチック又は繊維強化樹脂の環１
３が突部１２の周囲に嵌挿され、ついで心棒（よ第５図
に示す如く衝接するよう位置決めされる。次に熱硬化性
樹脂が含浸された繊維性材料が、第５図に示される如き
構成の駆動軸が得られるよう心棒片１０及び１１と環１
３上に多重積層をなして巻回される。軸９から心棒片１
０及び１１を抜き取ると、環１３は軸９の内面に一体的
に接合されてリブを構成する。１第６図は、駆動軸１１
に類似する構成を有し外方突出周回リブ１５が設けられ
た駆動軸１４からなる本発明の別の実施例を示す。第６
図に示す構成を形成するには、好ましくは熱硬化性材料
から形成され環状リブまたは突部１７を有する管１６が
心棒として用いられ、樹脂が含浸された！！紺性材料が
駆動軸１４を形成するよう管１６及び突部１７上に多重
積層をなして巻回される。To form the configuration shown in FIG.
A two-piece mandrel assembly is used. The end of the mandrel piece 11 is provided with a small-diameter protrusion 12 that abuts against the end of the mandrel 10. Metal, plastic or fiber reinforced resin ring 1
3 is fitted around the protrusion 12 and then positioned so as to abut against the mandrel (as shown in FIG. The mandrel pieces 10 and 11 and the ring 1 are used to obtain a drive shaft having the following configuration.
3 in multiple layers. From shaft 9 to mandrel piece 1
0 and 11 are removed, the ring 13 is integrally joined to the inner surface of the shaft 9 to form a rib. 1 Figure 6 shows the drive shaft 11
2 shows another embodiment of the invention comprising a drive shaft 14 having a similar construction and provided with an outwardly projecting circumferential rib 15. FIG. 6th
To form the configuration shown in the figures, a tube 16, preferably made of a thermoset material and having an annular rib or protrusion 17, was used as a mandrel and impregnated with resin! ! A navy blue material is wound in multiple layers over tube 16 and projection 17 to form drive shaft 14.
繊維強化樹脂駆動軸の外面又は内面にリブが形成される
ことにより捩り座屈に対する抵抗力が相当に増大する。By forming ribs on the outer or inner surface of the fiber-reinforced resin drive shaft, resistance to torsional buckling is significantly increased.
リブは軸の長手方向の任意の場所に設けられて、軸の長
さに応じ１又は複数のリブが用いられる。過度の振動が
起こらないようリブは縦曲げモードの周波数に影響しな
い位置に設けられるのが好ましい。The rib is provided at any location in the longitudinal direction of the shaft, and one or more ribs are used depending on the length of the shaft. Preferably, the ribs are located at positions that do not affect the frequency of the longitudinal bending mode to prevent excessive vibrations.
リブは駆動軸の壁厚より大なる厚さを有するのが好まし
い。例えば、３７重量％のガラス繊維と２６％重部のグ
ラフフィト繊維により繊維強化がなされる繊維強化エポ
キシ樹脂駆動軸を長さ７０インヂ（１７７，８ｃｒＲ）
、 ’Ｉ厚０．１００インチ（２，５４ｍ）及びリブ
の厚さ０１５０インチ（３８１履）で製造したところ、
同様の構成でリブを有さない軸に比べて捩り座屈に対す
る抵抗力が約２５％増大した。Preferably, the rib has a thickness greater than the wall thickness of the drive shaft. For example, a fiber-reinforced epoxy resin drive shaft with a length of 70 inches (177.8 crR) is reinforced with 37% glass fiber and 26% graphite fiber.
, manufactured with an I thickness of 0.100 inches (2,54 m) and a rib thickness of 0.150 inches (381 shoes).
The resistance to torsional buckling was increased by approximately 25% compared to a similarly configured shaft without ribs.
以上を要約するに、本発明は捩り座屈に対する抵抗力が
改善された車両用繊維強化樹脂駆動軸であり、実質上連
続するガラス繊維及びグラファイト繊維の混合物からな
る繊維性材料で強化された熱硬化性樹脂の管状部材から
なる。リブが管状部材に一体的に結合され部材から半径
方向突出する。In summary, the present invention is a fiber-reinforced resin drive shaft for vehicles with improved resistance to torsional buckling, which is thermally reinforced with a fibrous material consisting of a mixture of substantially continuous glass and graphite fibers. Consists of a tubular member made of curable resin. A rib is integrally coupled to and projects radially from the tubular member.
リブは部材の長さの一部分のみにおいて延在し管状部材
の捩り座屈に対する抵抗力を相当に増すのに充分な厚さ
を有する。The ribs extend only a portion of the length of the member and have a thickness sufficient to significantly increase the resistance to torsional buckling of the tubular member.
第１図は本発明による駆動軸の斜視図、第２図は第１図
の２−２線に沿う断面図、第３図は繊維性材料が外側リ
ブを形成するのに用いられる本発明の変形例の側面図、
第４図は本発明の第２の変形例の縦断面図、第５図は本
発明に別の縦断面図、第６図は本発明の更に別の変形例
の縦断面図である。
１．５．９．１４・・・駆動軸、２・・・端部継手、３
゜７．１３・・・環、４・・・巻回体、６．１５・−・
リブ、８・・・心棒、１０．１１・・心棒片、１２・・
・小径突部、１６・・・管、１７・・・突部。
特許出願人 ニー オー スミス
」−ボレイションFIG. 1 is a perspective view of a drive shaft according to the invention, FIG. 2 is a sectional view taken along line 2--2 of FIG. 1, and FIG. Side view of a modified example,
FIG. 4 is a longitudinal cross-sectional view of a second modified example of the present invention, FIG. 5 is a vertical cross-sectional view of another modified example of the present invention, and FIG. 6 is a vertical cross-sectional view of yet another modified example of the present invention. 1.5.9.14... Drive shaft, 2... End joint, 3
゜7.13...ring, 4...wound body, 6.15...
Rib, 8...Mandrel, 10.11...Mandrel piece, 12...
・Small diameter protrusion, 16...pipe, 17...protrusion. Patent Applicant N. O. Smith” - Volation
Claims (9)
熱硬化性樹脂からなり該端部継手それぞれと重ね接続を
なすよう端部が該端部継手それぞれと重ねられて固定さ
れる軸と、該軸に一体的に結合され該軸から半径方向に
突出し該重ね接続から長手方向に離間し該軸の捩り座屈
に対する抵抗力を増大せしめるのに充分な半径方向の厚
さを有する環状リブからなる駆動軸。(1) A pair of end joints, which are made of resin-reinforced thermosetting resin, and the end joints are joined together and fixed so that the end portions are overlapped with each of the end joints to form a lap connection with each of the end joints. a shaft integrally coupled to the shaft, projecting radially from the shaft and spaced longitudinally from the lap joint, and having a radial thickness sufficient to increase the resistance of the shaft to torsional buckling; A drive shaft consisting of an annular rib.
み合わせによる請求項１記載の駆動軸。(2) The drive shaft according to claim 1, wherein the fiber reinforcement is a combination of glass fiber and graphite fiber.
載の駆動軸。3. The drive shaft of claim 1, wherein the thickness of the rib is greater than the wall thickness of the shaft.
料からなる請求項１記載の駆動軸。(4) The drive shaft according to claim 1, wherein the rib is made of a fibrous material bonded with a thermosetting resin.
項１記載の駆動軸。(5) The drive shaft according to claim 1, wherein the rib is a metal ring joined to the shaft.
１記載の駆動軸。6. The drive shaft of claim 1, wherein the rib projects radially outwardly from the shaft.
項１記載の駆動軸。7. The drive shaft of claim 1, wherein the rib projects radially inwardly from the shaft.
樹脂により接合された繊維性材料からなり該端部継手そ
れぞれと重ね接続をなすよう端部が該端部継手それぞれ
の端部周囲に接合される軸と、該繊維性材料は実質上連
続するガラス繊維及びグラファイト繊維の混合体からな
り、該軸と一体的に形成され該軸から半径方向へ延出し
該重ね接続から長手方向離間して該軸の長さの一部分の
みに延在し該軸の捩り座屈に対する抵抗力を実質的に増
大せしめるよう該軸の壁厚より大なる厚さを有する周回
リブとからなる駆動軸。(8) A pair of end joints, each of which is made of a fibrous material joined by a thermosetting resin, with the ends connected to each other so as to form an overlapping connection with each of the end joints. a shaft joined around an end of the shaft, said fibrous material comprising a mixture of substantially continuous glass and graphite fibers integrally formed with said shaft and extending radially from said shaft and said lap joint; a circumferential rib longitudinally spaced apart from and extending over only a portion of the length of the shaft and having a thickness greater than a wall thickness of the shaft to substantially increase resistance to torsional buckling of the shaft; The drive shaft.
ストランドから管状駆動軸を形成する段階と、金属端部
継手を軸の端部に結合する段階と、使用時の座屈に対す
る軸の抵抗力を増すよう該軸の両端から長手方向離間し
た位置で該軸上に半径方向突出環状リブを形成する段階
とからなる、繊維強化樹脂駆動軸の捩り座屈に対する抵
抗力を増大せしめる方法。(9) forming a tubular drive shaft from a substantially continuous fibrous strand impregnated with a thermosetting resin; joining metal end fittings to the ends of the shaft; and resisting buckling of the shaft in use. forming a radially projecting annular rib on the shaft at a location longitudinally spaced from each end of the shaft to increase the resistance to torsional buckling of a fiber-reinforced resin drive shaft. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3975588A JPH01229110A (en) | 1988-02-24 | 1988-02-24 | Fiber-reinforced resin driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3975588A JPH01229110A (en) | 1988-02-24 | 1988-02-24 | Fiber-reinforced resin driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01229110A true JPH01229110A (en) | 1989-09-12 |
Family
ID=12561765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3975588A Pending JPH01229110A (en) | 1988-02-24 | 1988-02-24 | Fiber-reinforced resin driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01229110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11692585B2 (en) | 2019-01-15 | 2023-07-04 | Goodrich Corporation | Composite shaft with outer periphery ring |
| US11859665B2 (en) | 2019-10-17 | 2024-01-02 | Hamilton Sundstrand Corporation | Drive shafts made of composite materials and methods of making such shafts |
-
1988
- 1988-02-24 JP JP3975588A patent/JPH01229110A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11692585B2 (en) | 2019-01-15 | 2023-07-04 | Goodrich Corporation | Composite shaft with outer periphery ring |
| US11859665B2 (en) | 2019-10-17 | 2024-01-02 | Hamilton Sundstrand Corporation | Drive shafts made of composite materials and methods of making such shafts |
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