[특허]Hydroformed driveshaft tube with secondary shape

Hydroformed driveshaft tube with secondary shape 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16C-003/02 B21D-026/033 B21D-053/84 F16F-015/32
출원번호	US-0749171 (2015-06-24)
등록번호	US-9624964 (2017-04-18)
발명자 / 주소	Laskey, Ryan W. Dutkiewicz, Jeffrey A.
출원인 / 주소	Dana Automotive Systems Group, LLC
대리인 / 주소	Marshall & Melhorn, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A hydroformed driveshaft tube formed using a hydroforming process is provided. The hydroformed driveshaft tube comprises a first end portion, a second end portion, and a middle portion. The middle portion is at least partially defined by a circular arc shaped surface of revolution. At least a portion of the middle portion has a diameter greater than a diameter of the first end portion and the second end portion. The middle portion comprises a first distension, a constriction, and a second distension and is formed between the first end portion and the second end portion. The constriction is formed between the first distension and the second distension and the middle portion affects a critical speed and a breathing mode frequency of the hydroformed driveshaft tube. The hydroformed driveshaft tube reduces a cost of a driveshaft assembly.

대표청구항 ▼

1. A hydroformed driveshaft tube, comprising: a first end portion;a second end portion; anda middle portion at least partially defined by a circular arc shaped surface of revolution and at least a portion of the middle portion having a diameter greater than a diameter of the first end portion and the second end portion, the middle portion comprising a first distension, a constriction, and a second distension, wherein the middle portion is formed between the first end portion and the second end portion, at least one of the first distension and the second distension is defined by the circular arc shaped surface of revolution, the circular arc shaped surface of revolution having a radius about 40 times greater than a radius of the first end portion and the second end portion, and the constriction is formed between the first distension and the second distension. 2. The hydroformed driveshaft tube according to claim 1, further comprising a first tangential transition and a second tangential transition, the first tangential transition formed between the first end portion and the first distension and the second tangential transition formed between the second end portion and the second distension. 3. The hydroformed driveshaft tube according to claim 2, further comprising a third tangential transition and a fourth tangential transition, the third tangential transition formed between the constriction and the first distension and the fourth tangential transition formed between the constriction and the second distension. 4. The hydroformed driveshaft tube according to claim 1, wherein a concavity of the constriction is opposite a concavity of the first distension and the second distension. 5. The hydroformed driveshaft tube according to claim 1, wherein the constriction provides a datum to militate against tube buckling which may occur during a hydroforming process used to form the hydroformed driveshaft tube. 6. A hydroformed driveshaft tube, comprising: a first end portion having a substantially cylindrical shape;a first distension defined by a circular arc shaped surface of revolution;a second distension defined by a circular arc shaped surface of revolution;a constriction defined by a substantially circular arc shaped surface of revolution, the constriction formed between the first distension and the second distension, the constriction having a concavity opposite a concavity of the first distension and the second distension;a second end portion having a substantially cylindrical shape;a first tangential transition formed between the first end portion and the first distension;a second tangential transition formed between the second end portion and the second distension;a third tangential transition formed between the constriction and the first distension; anda fourth tangential transition formed between the constriction and the second distension, wherein the constriction provides a datum to militate against tube buckling which may occur during a hydroforming process used to form the hydroformed driveshaft tube.

이 특허에 인용된 특허 (39)

Li, Zhong; Platek, Paul, Aluminum automotive drive shaft.
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Brown, James H., Apparatus and method for creating a seal on an inner wall of a tube for hydroforming.
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Roper Ralph E., Apparatus and method for forming a tubular frame member.
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Roper Ralph E. (Indianapolis IN), Apparatus and method for forming a tubular frame member.
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Roper Ralph E. (Indianapolis IN) Webb Gary A. (West Bloomfield MI) Tyger Douglas W. (West Chester OH), Apparatus and method for forming a tubular frame member.
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Roper Ralph E. (2930 Somerset Bay Indianapolis IN 46240) Webb Gary A. (1875 Windside West Bloomfield MI 48324) Tyger Douglas W. (8262 Country Oaks Station West Chester OH 45069) Lowen Donald F. (1841, Apparatus and method for forming a tubular member.
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Roper Ralph E. ; Webb Gary Alan ; Tyger Douglas W., Apparatus and method for forming and hydropiercing a tubular frame member.
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Brown James H. ; Webb Gary A., Apparatus and method for hydroforming.
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Roper Ralph E., Apparatus for forming a tubular frame member.
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Roper Ralph E. (Indianapolis IN), Apparatus for forming a tubular frame member.
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Marando, Richard A.; Schrack, Eric M.; Dziki, Jeffrey P.; Vasalani, Joseph J., Apparatus for performing hydroforming operation.
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Daniel W. Gibson, Axially collapsible driveshaft assembly.
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Amborn Peter (Neunkirchen DEX) Greulich Klaus (Hollig DEX), Driveshaft.
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Beier Rudolf (Offenbach DEX) Amborn Peter (Neunkirchen DEX) Exner Wolfgang (Hennef DEX) Frielingsdorf Herbert (Lohmar DEX) Greulich Klaus (Hollig DEX) Altdorf Joachim (Cologne DEX) Rericha Ivan (Sinn, Driveshaft.
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Greulich Klaus (Muhlenstrasse 1 D-5461 Hollig DEX) Amborn Peter (In den Garten 2 D-5206 Neunkirchen DEX), Driveshaft with additional masses.
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Brown James H. ; Webb Gary A., Hydro compression tube forming die apparatus and method for making the same.
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Varela, Tomaz Dopico, Hydroformed axle with weldless brake flange and bearing shoulder.
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Jaekel, Federico G., Hydroformed collapsible driveshaft and steering shaft and methods of making the same.
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Hill James D., Hydroformed drive shaft and method of making the same.
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Smith, Mark C., Hydroformed tubular structure and method of making same.
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Winterhalter, George Thomas; Ghiran, Mircea M.; Shimanovski, Bruce Steven, Hydroforming apparatus with retractable part locators.
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Horton Frank A. ; Janssen Andreas G. ; Cross James M., Hydroforming die assembly for pinch-free tube forming.
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Marando Richard A., Mechanical press structure adapted to perform hydroforming operations.
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Ingvarsson,Lars, Method and a production line for manufacturing a product by hydroforming.
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Kojima Masayasu,JPX ; Inoue Saburo,JPX, Method and apparatus for hydroforming metallic tube.
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Kojima Masayasu,JPX ; Inoue Saburo,JPX, Method and apparatus for hydroforming metallic tube.
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Gmurowski Romuald, Method and apparatus for sequential axial feed hydroforming.
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Liu,Chang Fa, Method for forging/molding a coarse blank of an aluminum transmission shaft.
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Breese Douglas E. ; Eversole Philip A., Method for forming a vehicle driveshaft tube.
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Marando Richard A. ; Sanko Thomas R. ; Schrack Eric M., Method of hydroforming a vehicle frame component.
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Alder, Randall F.; Kaltsounis, Nicholas O.; Ford, Donald B., Method of making hydroformed fuel rails.
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Wagner,Nelson; Blecke,Matthew P., Method of manufacturing a combined driveshaft tube and yoke assembly.
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Richard A. Marando, Method of manufacturing a lead screw and sleeve mechanism using a hydroforming process.
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Durand,Robert D., Method of manufacturing an axially collapsible driveshaft.
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da Silva,Jose; Gibson,Daniel W., Method of manufacturing an axially collapsible driveshaft assembly.
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Galaniuk Alexander H. (Dearborn MI) Somborn Georg W. (Canton MI), Method of manufacturing variable diameter driveshaft.
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Slack, Maurice William, Pipe centralizer and method of forming.
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Miyanaga,Kenji; Maruyama,Manabu; Hori,Izuru; Kanai,Yuji; Mizutani,Kouki, Process for forming tubular member.
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Kutscher Hans-Werner (Braunschweig DEX) Groos Heinz (Netphen DEX) Schultens Christain (Niederfischbach DEX), Stampling machine or press, particularly mintage or coining press.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Hydroformed driveshaft tube with secondary shape 원문보기

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Hydroformed driveshaft tube with secondary shape 원문보기

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