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1. (WO1989004081) DRIVES WITH DOUBLE-ROTATING ELECTRIC MACHINES

Pub. No.:    WO/1989/004081    International Application No.:    PCT/NL1988/000044
Publication Date: Sat May 06 01:59:59 CEST 1989 International Filing Date: Tue Nov 01 00:59:59 CET 1988
IPC: F02N 11/04
F02N 5/04
H02K 16/00
H02K 51/00
H02K 7/02
H02K 7/10
B60K 6/04
B60K 6/10
Applicants: SCHUURSMA, Johannes, Karel
Inventors: SCHUURSMA, Johannes, Karel
Title: DRIVES WITH DOUBLE-ROTATING ELECTRIC MACHINES
Abstract:
The double-rotating electric machine with its matching control-device may act as (flywheel-)starter and/or as electric motor/generator and/or as differential torque-converter. It consists of an inner-rotor (202) and an outer-rotor (204). The flywheel formed by the outer-rotor enables storage of kinetic energy in order to use the machine to supply burst-energy e.g. for starting combustion-engines. Either one of the rotors of machine is connected, directly or by means of gear-wheel or flange, to incoming or outgoing (201, 207) shaft. Moreover, both rotors are connected to two elements of a planetary gear (203, 204, 205, 206) while the third element of this gear is connected to a second incoming or outgoing shaft (201, 207). The rotors may rotate in the same or opposite direction and one of the rotors may be blocked for a fixed transmission-ratio.