Electricity: motive power systems – Constant motor current – load and/or torque control
Reexamination Certificate
2007-11-20
2007-11-20
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Constant motor current, load and/or torque control
C318S431000, C318S045000, C318S434000
Reexamination Certificate
active
10536969
ABSTRACT:
The invention concerns a system for electrically regulating a power transmission device between the heat engine and a pair of electrical machines and the drive wheels of a motor vehicle, the heat engine being connected to the two electrical machines via a mechanical assembly, while an electrical connection device located between the two electrical machines provides a direct passage for power from one machine to the other, the connection transferring electric power between the two electrical machines being carried out via two static converters connected to a bus whereof the two lines are connected to a bus whereof the two lines are connected by a capacitor. The invention is connected by a capacitor. The invention is characterized in that the voltage at the capacitor terminals is permanently maintained at a specific setpoint value, the system acting on the torque of the two electrical machines, in response to an error signal resulting from the comparison of the effective value with said voltage to said setpoint value. The invention is applicable to motor vehicle transmission.
REFERENCES:
patent: 5973463 (1999-10-01), Okuda et al.
patent: 6453222 (2002-09-01), Lasson et al.
patent: 6852054 (2005-02-01), Tumback et al.
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patent: 2002112407 (2002-04-01), None
patent: WO 02/47931 (2002-06-01), None
Besnard Sébastien Alain Joël
Laeuffer Jacques Augustin
Donovan Lincoln
McCloud Renata
Peugeot Citroen Automobiles SA
Seckel Nicolas E.
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