TORCH IGNITOR FOR A GAS TURBINE ENGINEAn injection system includes an inner nozzle body (138) defining a first air path (140) along a longitudinal axis. The first air path (140) defines a converging-diverging section between an upstream p…DRIVE·Aug 28·2 min readFollowF02C7/264DELAVAN INC [US]
FUEL INJECTOR WITH A NOZZLE, AND METHODA nozzle (16) for a fuel injector can include an outer air swirler (24) having an inner surface with the outer air swirler (24) having a groove (34) on the inner surface and a prefilmer (28) located c…DRIVE·Apr 27·2 min readFollowF02M61/162DELAVAN INC [US]
High temperature fuel manifold for gas turbine enginesA segment of a fluid manifold includes a flexible thermal shield with an insulation space defined inboard of the thermal shield to provide thermal isolation from conditions external to the thermal shi…DRIVE·Dec 31·1 min readFollowF02C7/222DELAVAN INC [US]
Continuous ignition systemsA head assembly (160) for an ignition system (100) includes a head block (162) and a plurality of igniters (166) seated in in the head block. The head block (160) has an issue aperture (168) and defin…DRIVE·Dec 17·1 min readFollowF02C7/266DELAVAN INC [US]
Impulse duty cycle valvesA valve includes a valve housing (102) having a fluid inlet (104) and a fluid outlet (106) with a longitudinal axis (A) defined through the valve housing. The valve also includes a toggle mechanism co…DRIVE·Dec 17·1 min readFollowF02C7/232DELAVAN INC [US]
Dynamic valve seal arrangementA valve assembly (200; 400; 600) for a fuel injector that includes a sleeve member (220; 420; 620) having an interior chamber (222; 422; 622), a piston member (224; 424; 624) supported for movement wi…DRIVE·Oct 15·2 min readFollowF02M61/08DELAVAN INC [US]
Fuel nozzle with discrete jet inner air swirlerA fuel nozzle (10; 100; 200; 300) includes an axial fuel circuit (12; 112) having a converging front surface (14; 114) with an axial fuel outlet (16; 116) formed therein, an air swirler (18; 118, 140)…DRIVE·Sep 3·1 min readFollowF02M61/162DELAVAN INC [US]
Impulse duty cycle valvesA valve includes a valve housing (102) having a fluid inlet (104) and a fluid outlet (106) with a longitudinal axis (A) defined through the valve housing. The valve also includes a toggle mechanism co…DRIVE·Feb 12·1 min readFollowF02C7/232DELAVAN INC [US]
Active purge mechanism with backflow preventer for gas turbine fuel injectorsA fuel injector (100) for a gas turbine engine includes an injector body having a feed arm (130) with a nozzle body (135) mounted thereto. A fuel conduit (310) fluidly connects a fuel inlet portion of…DRIVE·Dec 25·1 min readFollowF02C7/232DELAVAN INC [US]
Variable angle multi-point injectionA nozzle (200) for injecting liquid includes a nozzle body (202) defining a flow channel (204) and a swirl ante-chamber (206) in fluid communication with the flow channel (204). An injection point ori…DRIVE·Aug 21·2 min readFollowF02M61/162DELAVAN INC [US]
Machined springs for injector applicationsA machined spring for injector applications includes opposed first and second spring bases separated apart along a longitudinal axis. A spring body connects the first and second spring bases. The spri…DRIVE·May 29·1 min readFollowB01D29/111DELAVAN INC [US]
Injectors for multipoint injectionAn injector (100) for a multipoint combustor system includes an inner air swirler (102) which defines an interior flow passage (104) and a plurality of swirler inlet ports (106) in an upstream portion…DRIVE·May 8·1 min readFollowF02C7/22DELAVAN INC [US]
ANNULAR COMBUSTOR WITH MULTIPOINT FUEL INJECTION ARRANGEMENTSA multipoint fuel injection system (100) includes a plurality of fuel manifolds (102-110). Each manifold is in fluid communication with a plurality of injectors (112-120) arranged circumferentially ab…DRIVE·May 8·1 min readFollowF02C7/222DELAVAN INC [US]
Injector for pressure drop control in fluid circuits through swirling flow mitigationAn injector (10) with swirling flow mitigation includes an injector body (12) defining a longitudinal axis. A fluid circuit is defined in the injector body (12) and includes a plurality of flow channe…DRIVE·Mar 20·1 min readFollowF02C7/222DELAVAN INC [US]
Systems and methods for cooling a staged airblast fuel injectorThe present invention is directed to a staged fuel injector that includes, inter alia , a main fuel circuit for delivering fuel to a main fuel atomizer and a pilot fuel circuit for delivering fuel to …DRIVE·Sep 12·2 min readFollowF02C7/2365DELAVAN INC [US]
Fuel manifolds for high temperature operation in gas turbine enginesA fuel manifold (100) for distributing fuel to a gas turbine engine includes a plurality of interconnected manifold segments (104). Each manifold segment extends between a pair of fuel injector inlet …DRIVE·Mar 28·1 min readFollowF02C7/222DELAVAN INC [US]
System and method for locking retention of valve componentsA pressure actuated valve assembly includes a valve body. The downstream end portion of a main spring (106) is engaged with a downstream end portion of the valve body and the main spring is axially al…DRIVE·Feb 23·2 min readFollowF02C7/232DELAVAN INC [US]
