Patent ID: 11940042
Assignee: TEXTRON INNOVATIONS INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A breathing system for a gearbox, comprising:
tubing configured to be fluidly coupled to the gearbox and to allow fluid within the gearbox to pass therethrough; and
a cannister fluidly coupled to the tubing and comprising:
a cavity configured to receive the fluid from the tubing and impermeable to an exterior environment; and
a bladder proximate the cavity and configured to expand and contract as fluid enters and exits the cavity from the gearbox, the bladder comprising an outlet configured to receive air from the exterior environment, wherein the bladder comprises a common edge shared with the cavity, wherein the common edge is flat and the bladder expands and contracts by moving the common edge.