Abstract: An intake chamber (10) for an operating medium pump for sucking up operating medium stored in an operating medium tank of a motor vehicle, comprising a housing (20) in which at least two inlet openings (31, 32) for admitting operating medium to a connection (60) formed in the top side of the housing (20) are formed, wherein a deflecting wall (51, 52) is arranged in the housing (20) be-tween each inlet opening (31, 32) and the connection (60). Undercuts (81, 82) are formed on the inside of the inlet openings (31, 32). A suction jet pump or operating medium pump with at least one such intake chamber 10 is also disclosed.

Abstract: The invention relates to an inlet structure of a reservoir pot, comprising a base plate, which can be arranged in an operating medium tank with the formation of a receiving volume below the base plate, and a plurality of first elements which extend from the base plate, wherein the first elements are at least partially spaced apart from one another, and operating medium can flow between the first elements into the receiving volume and can flow out of the receiving volume, wherein the first elements present a greater flow resistance in the outflow direction than in the inflow direction.

Abstract: The invention relates to an inlet structure of a reservoir pot, comprising a base plate, which can be arranged in an operating medium tank with the formation of a receiving volume below the base plate, and a plurality of first elements which extend from the base plate, wherein the first elements are at least partially spaced apart from one another, and operating medium can flow between the first elements into the receiving volume and can flow out of the receiving volume, wherein the first elements present a greater flow resistance in the outflow direction than in the inflow direction.

Abstract: To prevent the dirt present in the fuel from depositing on the filter material so that the resistance to the flow through the filter material rises continuously overtime, a fuel system for a vehicle is provided in such a way that the throughflow resistance of the fuel filter remain almost constant. This is achieved as a result of the formation of a deposition tank in a housing of the fuel filter under the filter material located in a housing, in which the dirt from the fuel is deposited and as a result of a pressure accumulator in the fuel system causes the fuel stored in pressure accumulator to rinse the fuel filter after the engine has been switched off.

Abstract: A pressurized fuel system for a motor vehicle is provided with a pressure regulator which opens above a predetermined limit pressure so that the not required fuel can flow by way of a return flow pipe into the fuel tank. Behind the pressure regulator, a check valve is connected in the direction of the engine.

Abstract: An internal-combustion engine is provided with an exhaust pipe and an exhaust gas catalyst which can be preheated by a burner. Fuel is fed to this burner from a fuel tank by way of a fuel pump. The pressure of approximately 3 bar existing in a first fuel pipe is increased by an output amplifier to approximately 10 bar. The output amplifier comprises a receiving housing and a guide housing, which is arranged therein as well as a differential piston unit comprising a large piston and a small piston. The differential piston unit has a passage bore, through which the fuel flowing into the pressure space of the receiving housing arrives in the high-pressure space of the guide housing. In the event of displacement of the differential piston, which is acted upon by the pressure medium, in one direction, the fuel present in the high-pressure chamber arrives at 10 bar in the second fuel pipe and from there in the burner.