Patent ID: 6481641
Filing Date: 2002-11-19
Classification: B01J,C01B,F02M,F28D

Abstract:
A fuel injector assembly having a heat exchanger for transferring heat from a mounting substrate and from the fuel injector to fuel flowing through the heat exchanger to cool the fuel injector and to preheat the fuel before entering an inlet port of the fuel injector, comprising:a) a fuel injector; b) a heat-exchanger jacket surrounding said fuel injector and having a wall in mechanical contact with said mounting substrate and forming a plenum space between said wall and said fuel injector; c) an inlet port through said jacket in communication with said plenum space for admitting fuel thereto; d) an outlet port through said jacket in communication with said plenum space for withdrawing fuel therefrom; and e) a connection between said jacket outlet port and said fuel injector inlet port for supplying heated fuel from said heat exchanger to said fuel injector.