Patent ID: 7377264
Filing Date: 2008-05-27
Classification: F02M

Abstract:
1. A fuel injector, comprising: a valve-seat surface; an actuator that cooperates with the valve-seat surface to form a sealing seat; a valve-closure member able to be actuated by the actuator; a structure including a spray-discharge orifice; and a seal for sealing the fuel injector from a valve mount opening of a cylinder head, wherein: the seal radially surrounds a region of a discharge-side end of the fuel injector, at least a first section of the seal rests against the valve mount opening in a sealing manner, via at least an axial partial section that extends only across a portion of the axial length of the seal, the seal is fitted in the region of the discharge-side end of the fuel injector in integral fashion, by at least one of a form-fit and a force-locking, the first section is prestressed by an initial stress with respect to the wall of the valve mount opening, and the first section projects outwardly with respect to parts of the seal immediately adjoining the first section, the first section further being permanently elastic, whereby at least a portion of the initial stress is generated.