Patent · US Active

Lubrication device for helicopter

US11965591B2 · kind B2 · utility

0Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2022
Grant dateApr 23, 2024
Priority date
Expiry dateMay 25, 2042

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/0471
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A lubrication device for a helicopter including: an oil sump in which oil for lubrication is retained; a lubrication pump configured to suck the oil from the oil sump to discharge the oil; and a lubrication passage extending from the lubrication pump to a first lubrication target. The lubrication passage includes: a first supply port that supplies the oil to the first lubrication target; an oil reservoir provided upstream of the first supply port; and an opening provided upstream of the oil reservoir and above the oil reservoir. The first supply port is formed right above the first lubrication target.

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