Patent · US Active

Planetary gear lubrication unit

US7377870B2 · kind B2 · utility

9Cited by
5References
20Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 17, 2006
Grant dateMay 27, 2008
Priority date
Expiry dateDec 13, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/0482
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A planetary gear lubrication unit includes a planetary gear unit having a sun gear and a carrier that has a plurality of pinion shafts, wherein each of the plurality of pinion shafts rotatably supports a pinion, a plurality of side plates that support the plurality of pinion shafts, and a rotating shaft arranged in a center portion of the planetary gear unit, in which lubrication oil supplied from the rotating shaft is led to a portion of the pinion shafts that support the pinions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.