| 摘要 |
<p>BALANCER DEVICE FOR PARALLEL TWIN CYLINDER INTERNAL COMBUSTION ENGINE A device is provided for reducing first cylinder vibratory force (Fl) and second cylinder vibratory force (F2) which are generated when a crankshaft is rotated, in a parallel twin cylinder internal combustion engine in which a crankshaft is provided with a first crankpin and a second crankpin at a predetermined phase angle and a cylinder block is formed with a first cylinder and a second cylinder. In the device, a straight line for bisecting an angle formed between the first cylinder vibratory force (Fl) and the second cylinder vibratory force (F2) is defined as an angle bisector, force with the first cylinder vibratory force (Fl) and the second cylinder vibratory force (F2) resolved in a direction parallel to the angle bisector is defined as an inertial force component, force with the first cylinder vibratory force (Fl) and the second cylinder vibratory force (F2) resolved in a direction parallel to a plane perpendicular to the angle bisector is defined as a couple component, an inertial force balancer is provided for generating force facing the inertial force component, and a couple balancer is provided for generating force facing the couple component. oU-0 'N. x U)'m 'I MlNJ C) U</p> |
