| 摘要 |
<p>A compound diesel engine with a mechanically-connected turbosupercharger includes an internal combustion engine (1) and a turbosupercharger (2) coupled by a variable-ratio transmission unit (3). The transmission unit (3) includes a first epicyclic reduction unit (8) with a ring gear (7) connected for rotation with the shaft (4) of the internal combustion unit (1), a sun gear (12), and a first planet-carrier (10) with respective planets (9). A second epicyclic reduction unit (20) in series with the first (8) includes a second ring gear (22) connected to the shaft (29) of the turbosupercharger (2), a sun gear (19), a planet-carrier (7, 21a) carried by the first ring gear (7), and planets (21) meshed with the second ring gear (22). The sun gears (12, 19) are fixed for rotation together. There are control means (14, 17, 18) for controlling the speed of rotation of the sun gear (19), sensor means for sensing operating conditions of the engine, and an electronic control unit which is supplied by the sensor means in order to pilot the control means (14, 17, 18) in dependence on the operating conditions of the engine. <IMAGE></p> |
