Multi-Speed Gearbox for an Electrically Drivable Vehicle, and Vehicle Having Such a Multi-Speed Gearbox

• Main Authors: SCHLEICH, Thomas, MANGOLD, Julian
• Format: Patent
• Language: English
• Published: 02.04.2020
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

A multi-speed gearbox for a vehicle has fewer than 4 shiftable gears and has a gearbox input shaft, a gearbox output shaft, a gearbox housing and a planetary gearbox. The planetary gearbox has a planetary gearbox gear set, which has the following planetary gearbox elements: a sun gear, a first ring gear, and a second ring gear, at least one first planetary gear, which is engaged with both the sun gear and the first ring gear, at least one second planetary gear, which is engaged with the second ring gear, and with a planetary gear carrier, on which the at least one first planetary gear is rotatably mounted. The planetary gearbox gear set has multiple shift elements, which are designed to selectively connect one of the planetary gearbox elements to a further one of the planetary gearbox elements or to the gearbox housing for conjoint rotation and therefore to provide different gears. The at least one second planetary gear is mounted rotatably on the planetary gear carrier and is engaged with the first planetary gear, and the second ring gear can be selectively connected by way of a first of the shift elements to the gearbox housing for conjoint rotation, and the sun gear can be selectively connected by way of a second of the shift elements to the gearbox housing for conjoint rotation.