An injector includes a nozzle portion to inject fluid, a coil to generate a driving force to open and close the nozzle portion, and a molded resin that seals the coil. A cooling jacket has a flow path to cause cooling fluid to flow therethrough. The cooling jacket houses the injector and has an opening in an end opposite to the nozzle portion. A sealing material is filled in a space between the cooling jacket and the molded resin.

A fuel system is disclosed. The fuel system may include at least one fuel injector, the at least one fuel injector having an injector body and one or more piezoelectric sensors located in the injector body. The fuel system may include a controller configured to: obtain, from the one or more piezoelectric sensors, one or more pressure measurements associated with a fuel injection process; determine a timing of the fuel injection process based on the one or more pressure measurements; determine an adjustment to the timing based on a comparison of the timing to a reference timing; and adjust the timing of the fuel injection process based on the determined adjustment.

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.

According to the present invention, there is provided an electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.

The present invention aims for obtaining a fuel rail for gasoline direct injection which can be used for the direct injection at a high fuel pressure of 50 MPa or more by increasing the thickness at the portion near the branch hole and using the material having high thickness for the metal seal portion while keeping the weight light and keeping the cost low. A fuel rail for gasoline direct injection made of steel and used at a fuel pressure of 50 MPa or more, the fuel rail having: a plurality of block members 2; and a pipe member 1 which connects an interval between the block members, wherein the block members 2 have: a branch hole 3 which communicates with the pipe member 1; and a metal seal portion 6 to which an injector is connected, and the hardness of the block members 2 is higher than the hardness of the pipe member 1.

Various embodiments include a high-pressure port for a fuel pump comprising: a body defining an internal volume; an outlet valve with an element opening in a first direction; a pressure-limiting valve with an element opening in an opposite second direction; a common valve plate including a sealing seat for both valve elements; and a sleeve guiding the outlet valve element during movement, fastened in the body with an axial stop limiting movement of the outlet valve element and a radial guide guiding the outlet valve element during movement. The guiding sleeve comprises a harder material than the body.

The present invention relates to an injector for injecting fuel, comprising an injector housing for receiving at least one injector component, and an electromagnet for activating a valve for opening and closing the injector, wherein the electromagnet comprises a coil winding and a magnetic body, wherein the injector housing is formed in one piece with the magnetic body.

A mounting system for fuel injection systems connects a fuel injection valve to a fluid-conveying component and includes a connector piece of the metering valve being inserted at least partly into a receiving space of a connector body of the component; a support part disposed on the connector piece; a decoupling element; a dished disk inserted into a receiving space of the connector body and immobilized along a longitudinal axis of the receiving space relative to the connector body. The support part has a spherical support surface that faces toward a dished surface of the dished disk. The decoupling element is disposed between the spherical support surface of the support part and the dished disk. The connector piece is mounted on the connector body via the support part, decoupling element, and dished disk.

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.

A fuel injector isolator includes a support member which is rigid and which is annular in shape being centered about an axis such that the support member has a support member inner periphery which circumferentially surrounds the axis and includes a concave region. The fuel injector isolator also includes an isolation member which is resilient and compliant and which is annular in shape being centered about the axis such that the support member has an isolation member outer periphery and an isolation member inner periphery which accommodates the fuel injector therein. The isolation member is located within the support member inner periphery and includes 1) an isolation member outer periphery upper retention surface which engages the support member first end surface and 2) an isolation member outer periphery lower retention surface which extends into the concave region and engages the concave region of the support member.