Planetary gear system, planetary differential and gear system with the planetary differential

US8979699B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8979699-B2
Application numberUS-201113876079-A
CountryUS
Kind codeB2
Filing dateJul 14, 2011
Priority dateSep 30, 2010
Publication dateMar 17, 2015
Grant dateMar 17, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

A planetary gear system having at least two planetary steps, each of which is made up of at least one set of planets and one sun, whereby the teeth of the gearwheels in the planetary drive mesh with each other in such a way that, in each of the meshing points, at least one first tooth on a first toothing of first teeth positively engages into a tooth gap of a second toothing of second teeth. First teeth of the first toothing have a tooth flank profile concavely arched, and second teeth of the second toothing have a tooth flank profile convexly arched, so that the tooth flanks in contact with each other are arched in the same directions, at least when in contact.

First claim

Opening claim text (preview).

The invention claimed is: 1. A planetary differential comprising; a planetary gear system including at least two planetary steps, each planetary step including at least one set of planets and one sun, teeth of gearwheels in the planetary gear system meshing with each other in at meshing points in such a way that, in each of the meshing points, at least one first tooth on a first toothing of first teeth positively engages into a tooth gap of a second toothing of second teeth, a fir…

Assignees

Inventors

Classifications

  • F16H48/11Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • F16H1/46Primary

    Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

  • Mechanical Engineering · mapped topic

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What does patent US8979699B2 cover?
A planetary gear system having at least two planetary steps, each of which is made up of at least one set of planets and one sun, whereby the teeth of the gearwheels in the planetary drive mesh with each other in such a way that, in each of the meshing points, at least one first tooth on a first toothing of first teeth positively engages into a tooth gap of a second toothing of second teeth. Fi…
Who is the assignee on this patent?
Biermann Thorsten, Smetana Tomas, Doerrfuss Florian, and 1 more
What technology area does this patent fall under?
Primary CPC classification F16H48/11. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).