Bulk metallic glass-based strain wave gears and strain wave gear components. In one embodiment, a strain wave gear includes: a wave generator; a flexspline that itself includes a first set of gear teeth; and a circular spline that itself includes a second set of gear teeth; where at least one of the wave generator, the flexspline, and the circular spline, includes a bulk metallic glass-based material.

Claims

14 · 1 independent · depth 3

14 granted claims

›1.independentA strain wave gear comprising:na wave generator;a flexspline that itself comprises a first set of gear teeth; anda circular spline that itself compris…+13

›2.↳ 1The strain wave gear of claim 1, wherein the wave generator comprises a wave generator plug and a bearing.d2+1

›4.↳ 1The strain wave gear of claim 1, wherein each of the wave generator, the flexspline, and the circular spline, comprises a bulk metallic glass-based ma…d2

›5.↳ 1The strain wave gear of claim 1, wherein at least one of the first set of gear teeth and the second set of gear teeth comprises a bulk metallic glass-…d2

›6.↳ 1The strain wave gear of claim 1, wherein each of the first set of gear teeth and the second set of gear teeth comprises a bulk metallic glass-based ma…d2+1

›8.↳ 1The strain wave gear of claim 1, wherein the element of the bulk metallic glass-based material that is present in the most amount is one of: Fe, Zr, T…d2

›9.↳ 1The strain wave gear of claim 1, wherein the bulk metallic glass-based material is Ni40Zr28.5Ti16.5Al10Cu5.d2

›10.↳ 1The strain wave gear of claim 1, wherein the flexspline comprises a bulk metallic glass-based material having an elastic limit of greater than or equa…d2+2

›13.↳ 1The strain wave gear of claim 1, wherein the bulk metallic glass-based material does not include crystalline phases of material, and is characterized …d2

›14.↳ 1The strain wave gear of claim 1, wherein the bulk metallic glass-based material is a bulk metallic glass matrix composite.d2

Classifications

2 codes

IPC · International Patent Classification

Section F — Mechanical engineering; lighting; heating; weapons

F16H49/00
F16H37/02

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Pendency

2.1 y

763 days filing → grant

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after a restriction

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no RCE

Examiner

Ha D Ho

art unit 3658 · TC 3600

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Citations: 194 back · 0 forward

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Priority chain

2 priority documents

Priority

11 Feb 2013

earliest claimed

›Priority documents — 2

Type	Document	Date
provisional	US 61763219	11 Feb 2013
related publication	US 20140224050 A1	14 Aug 2014

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