Societe Nationale D'etude Et De Construction De Moteurs D'aviation

Gerard M Vennin

Bruno Albert Beutin

Jean-Marie N Pincemin

Michel G Hugues

Gilles Claude Massot

Christophe J Thorel

Francis Georges Garnier

Carole Claudine Touron

Joel Creti

Claude P Maignan

Jean-Loic H Lecordix

Jean-Pierre Donnadieu

A system is disclosed for regulating oil and fuel temperatures in a turbojet engine having an engine accessory driven at constant speed by a power transmission which is driven by the turbojet engine. The system has a first closed oil circuit for circulating oil through the turbojet engine, a second closed oil circuit for circulating oil through the power transmission, a fuel circuit for supplying fuel to the turbojet engine, an air/oil heat exchanger connected to the first closed oil circuit to pass oil in heat exchange relationship with air, an oil/fuel heat exchanger connected to the fuel circuit and to the first closed oil circuit downstream of the air/oil heat exchanger to pass oil and fuel in heat exchange relationship, and an oil/oil heat exchanger connected to the first and second closed oil circuits to pass oil in heat exchange relationship, the connection to the first closed oil circuit being downstream of the oil/fuel heat exchanger.

System for regulating oil and fuel temperatures of a turbojet engine

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Cesson, France

Gerard M Vennin