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1. WO1999055575 - SNOWMOBILE SUSPENSION SYSTEM

Publication Number WO/1999/055575
Publication Date 04.11.1999
International Application No. PCT/IB1999/000640
International Filing Date 12.04.1999
Chapter 2 Demand Filed 15.11.1999
IPC
B60G 15/12 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
15Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type
08having fluid spring
12and fluid damper
B60G 17/052 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
17Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
02Spring characteristics
04Fluid-spring characteristics
052Pneumatic spring characteristics
B60T 8/32 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
32responsive to a speed condition, e.g. acceleration or deceleration
B62D 55/07 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
55Endless-track vehicles
06with tracks and without ground wheels
07Mono-track vehicles
B62D 55/112 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
55Endless-track vehicles
08Endless-track units; Parts thereof
104Suspension devices for wheels, rollers, bogies or frames
112with fluid springs, e.g. hydraulic, pneumatic
B62M 27/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
27Propulsion devices for sledges or the like
02power driven
CPC
B60G 15/12
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
15Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
08having fluid spring
12and fluid damper
B60G 17/0523
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
17Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
02Spring characteristics ; , e.g. mechanical springs and mechanical adjusting means
04fluid spring characteristics
052Pneumatic spring characteristics
0523Regulating distributors or valves for pneumatic springs
B60G 2202/314
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2202Indexing codes relating to the type of spring, damper or actuator
30Spring/Damper and/or actuator Units
31with the spring arranged around the damper, e.g. MacPherson strut
314The spring being a pneumatic spring
B60G 2202/412
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2202Indexing codes relating to the type of spring, damper or actuator
40Type of actuator
41Fluid actuator
412Pneumatic actuator
B60G 2300/32
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2300Indexing codes relating to the type of vehicle
32Track vehicles
B60G 2400/252
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2400Indexing codes relating to detected, measured or calculated conditions or factors
25Stroke; Height; Displacement
252vertical
Applicants
  • LILLBACKA, Jorma [FI]/[FI]
  • LILLBACKA, Pekka [FI]/[FI]
Inventors
  • LILLBACKA, Jorma
  • LILLBACKA, Pekka
Priority Data
09/065,55724.04.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SNOWMOBILE SUSPENSION SYSTEM
(FR) SYSTEME DE SUSPENSION D'UNE MOTONEIGE
Abstract
(EN)
To enable a rider to control in real time the type of ride he desires, a snowmobile is equipped with a suspension system that includes at least one fluid actuated device which can be adjusted in real time to control the relative distance between the body of the snowmobile onto which the rider sits and the frame, or the slide tracks about which the drive belt is mounted. By setting a constant predetermined desirable distance between the body and the slide tracks, or the frame, of the snowmobile, an optimal cushioned ride for the rider is obtained. The control of the fluid actuated device(s) may be effected at any time manually by the rider, or be effected by a feedback system. The snowmobile is also equipped with an ABS system for enhancing the traction of the drive belt on snow and therefore the control of the snowmobile by the rider.
(FR)
Pour permettre au conducteur d'une motoneige de choisir en temps réel le type de marche qu'il désire, la motoneige est équipée d'une suspension comportant au moins un dispositif hydraulique pouvant se régler en temps réel pour faire varier la distance relative entre le corps de l'autoneige ou est assis le conducteur et le châssis ou les glissières autour desquels les chenilles sont montées. En fixant la distance préétablie désirée, entre le corps et la glissière ou le châssis, on obtient une marche optimalement douce. La manoeuvre du système hydraulique peut être commandée manuellement à tout instant par le conducteur ou un par un système à rétroaction. La motoneige comporte par ailleurs un système de freinage ABS améliorant la traction de la chenille sur la neige et donc le pilotage.
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