Pressure-control injector for injecting fuel with a double valve
AssigneeRobert Bosch GmbH
InventorFriedrich Boecking
Life of this patent
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Abstract
A fuel injector for injecting pressure fuel in a combustion chamber of an internal combustion engine has an injector housing, an inlet connectable with a high pressure collecting chamber, a nozzle inlet line, a 2/2-way valve for opening and closing the nozzle inlet line, a control chamber in which a pressure change occurs, at least one first ball valve positioned at a side of the control chamber, at least one second ball valve positioned at a side of the inlet, and a guide element movable in the housing, the first and second ball valve being positioned opposite to one another and associated with the movable guide element.
Claims12
A fuel injector for injecting pressure fuel in a combustion chamber of an internal combustion engine, comprising an injector housing;
- an inlet connectable with a high pressure collecting chamber;
- a nozzle inlet line;
- a 2/2-way valve for opening and closing said nozzle inlet line;
- a control chamber in which a pressure change occurs;
- at least one first ball valve positioned at a side of said control chamber;
- at least one second ball valve positioned at a side of said inlet;
- and a guide element movable in said housing, said first and second ball valve being positioned opposite to one another and associated with said movable guide element.
Dependencies are inferred from the claim text.