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US 5,350,983 AGranted
Suspension damper with integrated controls
AssigneeFord Motor Company
InventorsJohn M. Miller, Venkateswara A. Sankaran
Life of this patent
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Abstract
An electrically powered active suspension system is disclosed having a suspension unit wherein the system controller and the power electronics module are integrated into a single housing with the motor mechanism of the suspension unit.
Claims9
An electrically powered suspension unit for an automotive vehicle, comprising:
- a housing having a predetermined volume;
- electric motor means disposed in said housing;
- control means electrically connected to said motor means for dynamically developing current commands for said motor means in response to operating parameters of said motor means, said control means disposed adjacent said motor means in said housing;
- power module means electrically connected to said motor means and said control means for synthesizing an input current to said motor means in response to said current commands, said power module means disposed in said housing adjacent said motor means;
- and
- cooling means for regulating the temperature in said housing, whereby said motor means, said control means and said power module means are integrated into said housing.
3 more elements
An electrically powered suspension system disposed between the sprung and unsprung masses of an automotive vehicle, comprising:
- a plurality of electrically powered suspension units, each suspension unit disposed between the sprung and unsprung vehicle masses, each suspension unit including:
- a housing having a predetermined volume of between 35-55 in.sup.3 ;
- a three phase rotary electric motor disposed in said housing;
- control means electrically connected to said motor for dynamically developing current commands for said motor in response to operating parameters of said motor, said control means disposed in said housing adjacent said motor;
- power module means electrically connected to said motor and said control means for synthesizing an input current to said motor in response to said current commands, said power module means disposed in said housing adjacent said motor diametrically opposite said control means;
- and
- cooling means for regulating the temperature in said housing, whereby said motor, said control means and said power module means are integrated into said housing.
4 more elements
Dependencies are inferred from the claim text.