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The present invention contemplates an apparatus for forming a combustion mixture in a gas turbine engine. In one form, the apparatus includes a diffuser having at least two flowpath structures spaced apart to define a flowpath for directing fluid flow. At least one of the flowpath structures include

The present invention contemplates an apparatus for forming a combustion mixture in a gas turbine engine. In one form, the apparatus includes a diffuser having at least two flowpath structures spaced apart to define a flowpath for directing fluid flow. At least one of the flowpath structures includes a flowpath surface and a plurality of edges disposed along a trailing end portion of the flowpath surface. The edges extend perpendicularly from the flowpath surface and are arranged generally parallel to the fluid flow to define a plurality of corners. A fluid vortex is generated as the fluid flow rolls over each of the corners. A spray ring is disposed along a trailing edge of one of the flowpath structures and is integrally attached to the diffuser. The spray ring includes a plurality of fuel delivery apertures adapted to spray fuel into respective ones of the fluid vortices to form the combustion mixture.

대표청구항 ▼

The present invention contemplates an apparatus for forming a combustion mixture in a gas turbine engine. In one form, the apparatus includes a diffuser having at least two flowpath structures spaced apart to define a flowpath for directing fluid flow. At least one of the flowpath structures include

The present invention contemplates an apparatus for forming a combustion mixture in a gas turbine engine. In one form, the apparatus includes a diffuser having at least two flowpath structures spaced apart to define a flowpath for directing fluid flow. At least one of the flowpath structures includes a flowpath surface and a plurality of edges disposed along a trailing end portion of the flowpath surface. The edges extend perpendicularly from the flowpath surface and are arranged generally parallel to the fluid flow to define a plurality of corners. A fluid vortex is generated as the fluid flow rolls over each of the corners. A spray ring is disposed along a trailing edge of one of the flowpath structures and is integrally attached to the diffuser. The spray ring includes a plurality of fuel delivery apertures adapted to spray fuel into respective ones of the fluid vortices to form the combustion mixture. biasing the control valve in a direction opposite to an operational direction of the input shaft; and means situated in the housing and integrally formed with the control valve, said means traveling relative to the housing such that a force produced by the fluid pressure regulated by said control valve and the biasing force of said biasing means are balanced; wherein said input shaft travels according to a travel of the means travelling relative to the housing, and said control valve is biased by a force of the biasing means in the direction opposite to the operational direction of the input shaft and is urged by the fluid pressure regulated by the control valve in the operational direction of the input shaft. 2. A braking pressure intensifying master cylinder as claimed in claim 1, further comprising a reaction chamber which communicates with said pressurized chamber and into which the fluid pressure regulated by said control valve is supplied, wherein the fluid pressure supplied in said reaction chamber forces said input shaft against said input. 3. A braking pressure intensifying master cylinder as claimed in claim 2, wherein said control valve has a valve spool which is slidably disposed to develop said regulated fluid pressure, and said valve spool is biased by an operational force produced by the fluid pressure regulated by said control valve and by the biasing force of said biasing means in directions opposite to each other. 4. A braking pressure intensifying master cylinder as claimed in claim 3, wherein said control valve is formed by said valve spool and said input shaft, said valve spool travels such that said biasing force and said operational force are balanced, and said input shaft travels depending on the travel of said valve spool. 5. A braking pressure intensifying master cylinder as claimed in claim 3, wherein said control valve comprises said valve spool and the housing, and said input shaft travels such that said biasing force which biases said valve spool and said operational force are balanced. 6. A braking pressure intensifying master cylinder as claimed in claim 4 or 5, further comprising an electromagnetic shut-off valve for controlling communication/isolation between said fluid pressure source and said pressurized chamber, and a controller for controlling opening/closing of said electromagnetic shut-off valve. 7. A braking pressure intensifying master cylinder as claimed in claim 1, wherein said master cylinder piston is pressed by said input shaft to develop the master cylinder pressure when no fluid pressure is developed in said pressurized chamber due to failure of said fluid pressure source even with travel of said input shaft in the braking maneuver. 8. A brake pressure intensifying master cylinder as claimed in claim 1, wherein sad means attached to the housing is a stepped spool. 9. A braking pressure intensifying master cylinder as claimed in claim 1, wherein said housing includes a cylindrical member immovably fixed thereto, said means being slidably provided in the cylindrical member. 10. A braking pressure intensifying master cylinder comprising: a housing; an input shaft penetrating through the housing and traveling by input applied in braking maneuver; a control valve controlled by said input shaft to regulate a fluid pressure of a fluid pressure source to develop a fluid pressure corresponding to said input, said control valve having a valve spool which is slidably disposed to develop said regulated fluid pressure and being formed by the valve spool and input shaft; a pressurized chamber connected to the control valve for receiving the fluid pressure regulated by said control valve; a master cylinder piston which is actuated by the fluid pressure supplied into the pressurized chamber to develop a master cylinder pressure; biasing means operationally connected to the control valve for biasing the control valve in a direction opposite to an operational direction of the input s haft such that said valve spool is biased by an operational force produced by the fluid pressure regulated by said control valve and by the biasing force of said biasing means in directions opposite to each other; means situated in the housing and integrally formed with the control valve, said means traveling relative to the housing such that a force produced by the fluid pressure regulated by said control valve and the biasing force of said biasing means are balanced; a reaction chamber which communicates with said pressurized chamber and into which the fluid pressure regulated by said control valve is supplied, the fluid pressure supplied in said reaction chamber forcing said input shaft against said input; an electromagnetic shut-off valve for controlling communication/isolation between said fluid pressure source and said pressurized chamber; an electromagnetic selector valve to be selectively controlled for allowing communication between said pressurized chamber and said reaction chamber or restricting communication therebetween by a relieve valve; and a controller for controlling opening/closing of said electromagnetic shut-off valve and selection of said electromagnetic selector valve; wherein said input shaft travels depending on the travel of said valve spool and according to a travel of the means travelling relative to the housing; said control valve is biased by a force of the biasing means in the direction opposite to the operational direction of the input shaft and is urged by the fluid pressure regulated by the control valve in the operational direction of the input shaft; and said valve spool travels such that said biasing force and said operational force are balanced. 11. A braking pressure intensifying master cylinder comprising: a housing; an input shaft penetrating through the housing and traveling by input applied in braking maneuver; a control valve controlled by said input shaft to regulate a fluid pressure of a fluid pressure source to develop a fluid pressure corresponding to said input, said control valve having a valve spool which is slidably disposed to develop said regulated fluid pressure and being formed of the valve spool and the housing; a pressurized chamber connected to the control valve for receiving the fluid pressure regulated by said control valve; a master cylinder piston which is actuated by the fluid pressure supplied into the pressurized chamber to develop a master cylinder pressure; biasing means operationally connected to the control valve for biasing the control valve in a direction opposite to an operational direction of the input shaft such that said valve spool is biased by an operational force produced by the fluid pressure regulated by said control valve and by the biasing force of said biasing means in directions opposite to each other; means situated in the housing and integrally formed with the control valve, said means traveling relative to the housing such that a force produced by the fluid pressure regulated by said control valve and the biasing force of said biasing means are balanced; a reaction chamber which communicates with said pressurized chamber and into which the fluid pressure regulated by said control valve is supplied, the fluid pressure supplied in said reaction chamber forcing said input shaft against said input; an electromagnetic shut-off valve for controlling communication/isolation between said fluid pressure source and said pressurized chamber; an electromagnetic selector valve to be selectively controlled for allowing communication between said pressurized chamber and said reaction chamber or restricting communication therebetween by a relieve valve; and a controller for controlling opening/closing of said electromagnetic shut-off valve and selection of said electromagnetic selector valve; wherein said input shaft travels according to a travel of the means travelling relative to the housing such that said biasing force which biases