A fuel injector for a combustion engine. The fuel injector includes a check valve with a return element that is a magnet, by means of which a magnetic field can be provided or is provided, such that, as a result of the decrease in pressure, a second valve element of the check valve can be moved from an open position back into a closed position and held in the closed position.

A fuel injector for a combustion engine. The fuel injector includes a check valve with a return element that is a magnet, by means of which a magnetic field can be provided or is provided, such that, as a result of the decrease in pressure, a second valve element of the check valve can be moved from an open position back into a closed position and held in the closed position.

The present disclosure relates to a fuel injector for injecting fuel into a combustion engine. It may comprise a valve with a movable needle, two springs pushing the needle toward the closed position, and an actuator for opening the valve. The needle may be in a fuel reservoir of a valve body. The actuator may supply pressurized fuel to the fuel reservoir so that the fuel pressure forces the needle away from the closed position against the spring force of the first spring or the first and second springs, respectively. There may be play between the second spring and the needle when the needle is in the closed position.

The present disclosure relates to a fuel injector for injecting fuel into a combustion engine. It may comprise a valve with a movable needle, two springs pushing the needle toward the closed position, and an actuator for opening the valve. The needle may be in a fuel reservoir of a valve body. The actuator may supply pressurized fuel to the fuel reservoir so that the fuel pressure forces the needle away from the closed position against the spring force of the first spring or the first and second springs, respectively. There may be play between the second spring and the needle when the needle is in the closed position.

The present device involves a fuel injector nozzle and control system for delivering a fine atomized fuel that is evenly mixed throughout the compressed air charge across a wide range of throttle positions. The system includes a pintle rod that is incrementally moveable to release a high pressure atomized stream of fuel through one or more apertures to vary the size of the opening through which the fuel is directed into the compressed air charge. The atomized fuel is delivered in a manner that allows the fine particles of fuel to be evenly distributed throughout the compressed air charge for more complete and consistent combustion.

A fuel injector for a combustion engine. The fuel injector includes a check valve with a return element that is a magnet, by means of which a magnetic field can be provided or is provided, such that, as a result of the decrease in pressure, a second valve element of the check valve can be moved from an open position back into a closed position and held in the closed position.

A fuel injector for a combustion engine. The fuel injector includes a check valve with a return element that is a magnet, by means of which a magnetic field can be provided or is provided, such that, as a result of the decrease in pressure, a second valve element of the check valve can be moved from an open position back into a closed position and held in the closed position.

An injector nozzle having a first part having a stem and a flange, the flange having a flange surface, a body including a wall defining a hole, an annular nozzle ring having a first surface and a second surface wherein the first surface and/or the flange surface include a plurality of grooves, the stem being received in the hole, the first part being secured to the body to secure the nozzle ring in place such that the first surface engages the flange surface, the second surface engages the body, and the plurality of grooves define a plurality of injector holes.

An injector nozzle having a first part having a stem and a flange, the flange having a flange surface, a body including a wall defining a hole, an annular nozzle ring having a first surface and a second surface wherein the first surface and/or the flange surface include a plurality of grooves, the stem being received in the hole, the first part being secured to the body to secure the nozzle ring in place such that the first surface engages the flange surface, the second surface engages the body, and the plurality of grooves define a plurality of injector holes.

Embodiments of apparatus are disclosed for affecting working fluid flow in a system that delivers material between two locations by carrying the material in the working fluid. For example, embodiments of the disclosed apparatus may be used in an internal combustion engines to carry fuel droplets to a combustion area using air as the working fluid. The apparatus may include a passage including a funnel portion and tumble area that direct working fluid into a stratified stream. The stratified stream may include an outer boundary flow having a toroidal and/or helical flow characteristic and an inner flow carrying injected material that is bound by the outer flow.