Title:
FOUR-WHEEL-DRIVE VEHICLE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO2003033939
Kind Code:
A3
Abstract:
A four-wheel-drive vehicle transmission (1) having a input shaft (8) rotated by the vehicle engine (2) about a first axis (A); a front output shaft (10) connected to the front axle (3) of the vehicle; a rear output shaft (12) connected to the rear axle (4) a tubular shaft (14) mounted alongside the input shaft (8) to rotate about a second axis (D) parallel to the first axis (A); a number of groups of gears (15, 16) for selectively connecting the tubular shaft (14) mechanically to the input shaft (8); a first countershaft (17) mounted for rotation about the second axis (D) inside the tubular shaft (14); a second countershaft (18) mounted for rotation about the second axis (D) opposite the first countershaft (17); a planetary gear train (19) for mechanically connecting the tubular shaft (14) to the first (17) and second (18) countershaft; and a first (25) and a second (26) cascade gear set for mechanically connecting the second countershaft (18) to the rear output shaft (12), and the first countershaft (17) to the front output shaft respectively (10).
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Inventors:
CIMATTI FRANCO (IT)
NERI CARLO (IT)
NERI CARLO (IT)
Application Number:
PCT/IT2002/000658
Publication Date:
October 02, 2003
Filing Date:
October 15, 2002
Export Citation:
Assignee:
FERRARI SPA (IT)
CIMATTI FRANCO (IT)
NERI CARLO (IT)
CIMATTI FRANCO (IT)
NERI CARLO (IT)
International Classes:
B60K17/346; B60K17/344; F16H3/091; F16H3/24; F16H3/085; F16H3/089; F16H48/00; (IPC1-7): F16H3/08; B60K17/346; F16H3/091
Foreign References:
| US5904632A | 1999-05-18 | |||
| EP1120587A1 | 2001-08-01 | |||
| DE1530581A1 | 1969-10-16 | |||
| EP0442437A1 | 1991-08-21 |
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