Electricity: motive power systems – Reciprocating or oscillating motor – Energizing winding circuit control
Patent
1976-10-18
1978-03-28
Hohauser, Herman J.
Electricity: motive power systems
Reciprocating or oscillating motor
Energizing winding circuit control
310185, H02K 2902
Patent
active
040817245
ABSTRACT:
A variable-reluctance electric motor comprises a stator of ferromagnetic material, having poles provided with induction windings and distributed in four equal groups. The motor is provided with at least one ferromagnetic material rotor ring having equidistant teeth and bearing switching means actuated by the rotation for distributing direct current to the stator windings. The windings and switching means are so combined that, during each advance of the rotor by one tooth pitch, each pole is subjected to two opposite switching operations staggered by a time equal to that taken by the motor for a one-fourth of a tooth pitch rotation. The stator poles are equidistant, each bearing one winding, and are number (4kl), k being at least equal to 2 and l being any number. The rotor has (lm) teeth, m being an odd number greater than (4k). The switching means are so actuated as to switch over the d.c. supply from one stator pole to another one every time the rotor advances by (1/k) of a tooth pitch, and m is so chosen that at any instant energized poles alternate with non-energized ones, except in the stator parts which have just undergone or are about to undergo switching.
REFERENCES:
patent: 3740630 (1973-06-01), Jarret
Jarret Jacques
Jarret Jean
Hohauser Herman J.
Societe Elpalux
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