Suspension System Having Active Compensation for Vibration
1 Assignment
0 Petitions
Accused Products
Abstract
A suspension system for a seat of a vehicle comprises a base, a linkage, and a seat attached to the base via the linkage. A pneumatic shock absorber provides a respective resistance level against movement of the seat with respect to the base based on a corresponding pressure level of air or gas within the pneumatic shock absorber. A set of cylindrical members are spaced apart beneath the seat. A tension member is arranged to engage the cylindrical members. The tension member is attached to the seat via a bracket. An electric motor is capable of driving one of the cylindrical members. A first sensor is arranged to detect first sensor data associated with an instantaneous position of the seat versus time. A controller generates a first control signal for the electric motor to change a height of the seat in opposition to a change in the instantaneous position of the seat and a second control signal to change the pressure level.
-
Citations
29 Claims
-
1-20. -20. (canceled)
-
21. A suspension system for a seat, comprising:
-
a linkage; a base coupled to the seat through the linkage; a pneumatic shock absorber providing a resistance level against movement of the seat with respect to the base; a sensor to detect data associated with an instantaneous position of the seat versus time; and an electric motor coupled to the seat to provide a corrective change of height of the seat in opposition to a vibration-induced change in the instantaneous position of the seat as determined by the data detected by the sensor. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
-
Specification