公开(公告)号：US20210116016A1

公开(公告)日：2021-04-22

申请号：US16657331

申请日：2019-10-18

Applicant: Bell Textron Inc.

Inventor： Douglas Robert MUELLER

IPC: F16H57/04 ,  F16N29/02 ,  B64D35/00

Abstract: A lubrication system includes a primary lubrication system for a gearbox of the aircraft, the primary lubrication system comprising a first lubricant tank, and an emergency lubrication system for the gearbox. The emergency lubrication system includes a second lubricant tank coupled to a gearbox of an aircraft, a passive thermostat coupled between the second lubricant tank and the gearbox via a lubricant line, a conductor coupled between the passive thermostat and the gearbox and configured to conduct heat from the gearbox to the passive thermostat, and wherein the passive thermostat is configured to open in response to the conductor being exposed to a temperature that exceeds a threshold temperature.

公开(公告)号：US20210116015A1

公开(公告)日：2021-04-22

申请号：US16657166

申请日：2019-10-18

Applicant: Bell Textron Inc.

Inventor： Douglas Robert MUELLER

IPC: F16H57/04 ,  F16N29/02 ,  B64D35/00

Abstract: An example of an emergency lubrication system for an aircraft includes a lubricant tank configured to supply a lubricant to a gearbox of the aircraft, a tube coupled between the lubricant tank and the gearbox and comprising a check ball disposed within the tube, a first lubricant line coupled to the tube and a first inlet of the gearbox, and a second lubricant line coupled to the tube and a second inlet of the gearbox.