Fuel injector for a turbine engine

Details Fuel injector for a turbine engine Fuel injector for a turbine engine

1989-12-21

1992-06-09

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60746, F02C 7228

Patent

active

051196360

ABSTRACT:
Manifold head effects at low fuel flows in a fuel injected air breathing turbine are minimized by utilizing fuel injectors having fuel injecting tubes (66) with open ends (70) for fuel injection and provided with elongated capillary tubes (88) upstream thereof and connected to receive fuel from a fuel manifold (48) having an inlet (56) while uniform, relatively low velocity fuel exit flow from the ends (70) the injecting tubes (66) is achieved through the use of internal impingement surfaces (96, 102, 106, 110, 124). Pressure loss differences contributing to nonuniform fuel flow and resulting from some fuel injecting tubes (66) be more distant from the manifold inlet (56) are minimized by shortening the length of the capillary tubes (88) furthest from the manifold inlet (56).

REFERENCES:
patent: 2676461 (1954-04-01), Gove
patent: 2806354 (1957-09-01), Cook
patent: 3774851 (1973-11-01), Simmons
patent: 4862693 (1989-09-01), Batakis et al.
patent: 4918925 (1990-04-01), Tingle

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