Brushless motor incorporating an integrated circuit having a sin

Details Brushless motor incorporating an integrated circuit having a sin Brushless motor incorporating an integrated circuit having a sin

1993-07-16

1994-07-05

Shoop, Jr., William M.

Electricity: motive power systems

Induction motor systems

Primary circuit control

307117, 3072001, H01H 3500

Patent

active

053270649

ABSTRACT:
A brushless motor accommodated within a case and having mounted on a substrate rotor speed detection sensors and a monolithic integrated circuit which includes an inverter for driving the rotor, drive circuits for driving the inverter, power source circuit for supplying a power required by each circuit, circuits for controlling the speed of the rotor and a protection circuit for protecting the inverter from excess current.

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patent: 4698744 (1987-10-01), Itani et al.
patent: 4994950 (1991-02-01), Gritter
patent: 5006733 (1991-04-01), Goldberg
"Japan Radio Newspaper", Mar. 22, 1990.
Electronic Design, vol. 37, No. 3, Feb. 1989, pp. 111-113, F. Goodenough: "User-shaped control chip runs brushless DC motors", Hasbrouck Hgts., N.J., U.S.A.
Electronic Design, vol. 36, No. 9, Apr. 14, 1988, F. Goodenough: "Motor-control-semi-conductors drive motor revolution", Hasbrouck Hgts., N.J., U.S.A., pp. 78-80, 82-84, 86, 88, 90, 92, 94.
Siemens Components, vol. XXII, Nol 3, Jun. 1987, pp. 110-115, B. Schwager: "Communication circuit for single-phase brushless DC motors"0 Berlin, Germany.
Electronic Engineering, vol. 58, No. 719, Nov. 1986, pp. 51-52, 55-56, 59, London, GB; P. Davis, et al: "Three phase control and drive IC for brushless motors".
Machine Design, vol. 61, No. 16, Aug. 10, 1989, pp. 120, 122, 124-125, Cleveland, Ohio U.S.A.; R. Benzer: "New ICs for brushless DC motor control".

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