Patent ID: 9016265
Filing Date: 2015-04-28
Classification: F02M,Y02T

Abstract:
1. An exhaust gas recirculation valve for an internal combustion engine, the exhaust gas recirculation valve comprising: a housing comprising an exhaust gas inlet and an exhaust gas outlet; a valve closing body; a valve rod to which the valve closing body is fastened, the valve rod being configured to be movable; a valve seat arranged between the exhaust gas inlet and the exhaust gas outlet; a guide bushing comprising a first section, the guide busing being configured to guide the valve rod in the housing; and a sealing ring arranged at an end of the guide bushing remote from the valve closing body; wherein the valve closing body is configured to be lowered onto the valve seat by a movement of the valve rod and to be lifted from the valve closing body by an opposite movement of the valve rod, wherein, a circumferential gap is formed between the valve rod and the guide bushing in the first section of the guide bushing directed toward the sealing ring, and wherein, a height of the circumferential gap is greater or equal to a maximal stroke height of the valve closing body.