Patent ID: 6646395
Filing Date: 2003-11-11
Classification: F02D,F05C

Abstract:
A throttle body for controlling power of an internal combustion engine, in particular a motor vehicle, which has at least one housing (14), a stub pipe (4) arranged in the housing (14) and accommodating a throttle butterfly (6), and an actuator (18), which drives the throttle butterfly (6), wherein the housing (14) is composed of plastic (K), and functional elements of the actuator (18) are arranged in the housing (14) and are at least partially surrounded by plastic (K), the throttle butterfly (6) being surrounded by a heat-conducting stub pipe (4), and a functional element of the actuator (18) and the stub pipe (4) being connected to one another in a heat-conducting manner or being of one-piece;wherein the functional element of the actuator (18) and the stub pipe (4) are connected directly to one another at at least one point (30), the stub pipe (4) and the functional element of the actuator (18) have means for positioning the stub pipe (4) and the functional element of the actuator (18) relative to one another, and at least one of said means for positioning are domes (26, 28).