THROTTLE VALVE FOR AN INTERNAL COMBUSTION ENGINE PROVIDED WITH A CONDITIONING CIRCUIT

A throttle valve (1) for an internal combustion engine provided with a valve body (2), a tubular feeding duct (4), defined in the valve body (2), a throttle plate (5), an actuating device which controls the rotation of the throttle plate (5) and comprises an electric motor (3) and an actuating device conditioning circuit (17) defined in the valve body (2). The conditioning circuit (17) comprises a tube (19) which is made of a first material able to conduct heat, while the valve body (2) is entirely made of a second metal material and is provided with a seat (18) designed to house the tube (19); in which is provided a layer of a structural and heat-conducting resin, interposed between the seat (18) and the tube (19).