Prime-mover dynamo plants – Electric control – Electric-starting motor
Patent
1982-03-26
1984-01-17
Truhe, J. V.
Prime-mover dynamo plants
Electric control
Electric-starting motor
290 38R, 318700, 180165, H02K 1936, B60K 904, H02P 736
Patent
active
044265859
ABSTRACT:
In combination with a brushless, three phase synchronous motor forming part of a flywheel starter of an internal combustion engine and having a stator with field windings and a winding-free toothed rotor having a pole pitch angle, a circuit for generating a rotating field for the windings is disclosed. The circuit includes a sensor positioned near the rotor for generating signals indicative of the pole pitch time of the rotor. A divider circuit is provided for generating a current flow signal for each field winding in response to the sensor signals. A delay network is coupled to the divider circuit and determines a time delay between the start of the pole pitch time and the start of the current flow signals.
REFERENCES:
patent: 3492555 (1970-01-01), Shibata
patent: 3956679 (1976-05-01), Chalmers
patent: 4110669 (1978-08-01), Akamatsu
patent: 4125796 (1978-11-01), Nagase et al.
patent: 4238719 (1980-12-01), Bourbeau
patent: 4252208 (1981-02-01), Heidemeyer et al.
patent: 4346773 (1982-08-01), Hofbauer et al.
patent: 4386307 (1983-05-01), Webby
Flower Terrance
Truhe J. V.
Volkswagenwerk Aktiengesellschaft
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