Drainage circuit for draining liquid coming from a power plant of a rotorcraft, the circuit incorporating an appliance for monitoring an excessive flow of the liquid

Abstract

The invention relates to a drainage circuit () for a flow of a liquid (), the circuit being fitted with a monitoring appliance () for monitoring an excess flow rate of the liquid (). The monitoring appliance () comprises a monitoring duct () interposed between an upstream duct () for collecting the liquid () and a downstream duct () for discharging the liquid (). The monitoring duct () has retaining means () for retaining part of the liquid () inside a chamber () arranged to receive a spillway () of the captured liquid () in a reserve () fitted with indicator means () with a visual scale for providing warning information relating to the quantity of liquid () contained in the reserve ().