Geared gas turbine engine
US-10487917-B2 · Nov 26, 2019 · US
Planetary gear reducer
US8968148B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8968148-B2 |
| Application number | US-201113989329-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 15, 2011 |
| Priority date | Nov 25, 2010 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Provided is a planetary gear reducer including: a sun gear fixed concentrically to a power input shaft; a plurality of planet gears meshing with the sun gear; a ring gear meshing with the planet gears; a planet carrier configured to support a plurality of planet shafts, each of which is a rotational axis of a corresponding one of the planet gear, and to output revolution of the plurality of planet gears as first power; and a cylindrical support connected to the ring gear, non-rotatable relative to the ring gear, and configured to output rotation of the ring gear as second power. The cylindrical support includes, at one part along the direction of a central axis, a flexible structure which is curved radially inward and has a V-shaped longitudinal section. This configuration improves rigidity and prevents misalignment without increasing the weight of the gear reducer.
First claim
Opening claim text (preview).
The invention claimed is: 1. A planetary gear reducer comprising: a sun gear fixed concentrically to a power input shaft; a ring gear provided along an outer periphery of the sun gear; a plurality of planet gears meshing with the sun gear and the ring gear; a plurality of planet shafts, each of which is a rotational axis of a corresponding one of the plurality of planet gears; a planet carrier configured to support the plurality of planet shafts, and to output revolution o…
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Classifications
Mechanical Engineering · mapped topic
- F16H1/2818Primary
Mechanical Engineering · mapped topic
- F16H1/28Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8968148B2 cover?
- Provided is a planetary gear reducer including: a sun gear fixed concentrically to a power input shaft; a plurality of planet gears meshing with the sun gear; a ring gear meshing with the planet gears; a planet carrier configured to support a plurality of planet shafts, each of which is a rotational axis of a corresponding one of the planet gear, and to output revolution of the plurality of pla…
- Who is the assignee on this patent?
- Matsuoka Tetsuya, Nishikawa Hiroyasu, Sato Kazuhiro, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification F16H1/2818. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 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).