Reduction gear for ring gear retention

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11480109
SERIAL NO

17448074

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reduction gear for a turbomachine (6) extending around an axis (X-X) of rotation, comprising a ring gear (9) connected to a ring gear carrier (12), wherein the ring gear carrier (12) has, according to a section view along a plane including the axis (X-X), an internal segment (124), an external segment (126) and a ring gear support (128), extending successively from the internal shaft (122) until the ring gear support (128), the internal segment (124) extends until a radius R1 with respect to the axis (X-X), the external segment (126) forms an angle β with the internal segment (124), the ring gear support (128) forms an angle α with the external segment (126), and is secured to the ring gear (9) via a bolted connection accomplished at a nominal radius R2 with respect to the axis (X-X), in that the ratio R1/R2 is comprised between 0.3 and 0.7.

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Patent Owner(s)

  • SAFRAN TRANSMISSION SYSTEMS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Niepceron, Clément Paul René Moissy-Cramayel, FR 8 6
Seyfrid, Marc Dominique Moissy-Cramayel, FR 3 3

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