Active vehicle suspension system
First Claim
Patent Images
1. A method for actively suspending a chassis of a vehicle comprising:
- attaching a stator of a linear electromagnetic actuator to a frame of the vehicle, the chassis of the vehicle being attached to the frame;
attaching a first end of a control rod to an armature of the linear electromagnetic actuator, the armature being movable relative to the stator; and
attaching a second end of the control rod to a wheel of the vehicle such that a movement of the armature causes the wheel of the vehicle to move relative to the frame of the vehicle.
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Abstract
An active suspension system for a vehicle includes an active suspension element that is substantially rigidly attached to a frame of the vehicle such that a motion of an armature of the active suspension element is mechanically decoupled from a lateral motion of a wheel of the vehicle. A control rod is attached between the active suspension element and the wheel of the vehicle.
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Citations
42 Claims
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1. A method for actively suspending a chassis of a vehicle comprising:
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attaching a stator of a linear electromagnetic actuator to a frame of the vehicle, the chassis of the vehicle being attached to the frame; attaching a first end of a control rod to an armature of the linear electromagnetic actuator, the armature being movable relative to the stator; and attaching a second end of the control rod to a wheel of the vehicle such that a movement of the armature causes the wheel of the vehicle to move relative to the frame of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A linear electromagnetic actuator for an active suspension system of a vehicle, the actuator comprising:
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a stator; an armature that is magnetically coupled to the stator, the armature being movable relative to the stator; a housing that surrounds the stator and the armature, an envelope of the housing remaining fixed regardless of the position of the armature relative to the stator. - View Dependent Claims (11, 12, 13, 14)
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15. An active suspension system for a vehicle comprising:
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a linear electromagnetic actuator comprising a stator and an armature that is movable relative to the stator, the stator being substantially rigidly attached to a frame of the vehicle; and a controller that is electrically coupled to the linear electromagnetic actuator through one or more non-flexing cables. - View Dependent Claims (16, 17, 18, 19)
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20. An electromagnetic actuator for an active suspension system of a vehicle, the actuator comprising:
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a stator; an armature that is magnetically coupled to the stator, the armature being movable relative to the stator; a housing that surrounds the stator and the armature; and a first mechanical stop located within the housing, wherein there is relative movement between the armature and the stop when the armature moves, the stop limiting movement of the armature in a first direction. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. An electromagnetic actuator for an active suspension system of a vehicle, the actuator comprising:
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a stator; an armature that is magnetically coupled to the stator, the armature being movable relative to the stator; a housing that surrounds the stator and the armature; and a mechanical stop located within the housing, wherein the mechanical stop is made of a material including a polymeric elastomer. - View Dependent Claims (29, 30, 31, 32, 33)
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34. An electromagnetic actuator for an active suspension system of a vehicle, the actuator comprising:
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a stator; an armature that is magnetically coupled to the stator, the armature being movable relative to the stator; a housing that surrounds the stator and the armature; and a mechanical stop located within the housing, wherein the mechanical stop has a thickness of from about 10 mm to about 60 mm. - View Dependent Claims (35, 36, 37)
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38. An electromagnetic actuator for an active suspension system of a vehicle, the actuator comprising:
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a stator; an armature that is magnetically coupled to the stator, the armature being movable relative to the stator; a first bearing rail that guides movement of the armature; and a first support for supporting a first end of the bearing rail, the support allowing the first end of the bearing rail to move away from a first home position when a first force is applied to the bearing rail, the support returning the first end of the bearing rail to the home position when the force is removed from the first bearing rail. - View Dependent Claims (39, 40, 41, 42)
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Specification