Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-08-14
1993-11-30
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310156, 310267, 68 3R, H02K 708, H02K 2112, D06F 3700
Patent
active
052668550
ABSTRACT:
An electric motor (2) for a clothes washing machine including the motor and a drive, the motor having a stator (25) held outboard of a frame carrying bearings (37, 38) in which a shaft (11) rotates, the shaft carrying the rotor (21) outboard of the stator (25), and permanent magnets (17) on an inner face of the rotor. The stator (25) is formed as an annular helical yoke edgewise wound from a strip of magnetic material and having an inner face and an outer face, the strip having pole pieces (8) formed integrally therewith extending from one edge of the strip and the strip being edgewise wound whereby the pole pieces coincide in stacked groups to form a plurality of poles arranged at equally spaced intervals extending radially outwardly from the outer face of the yoke. Energizable stator windings (26) are wound directly on the poles (8) of the stator and are adapted to be energized through an electronic commutation circuit (65,66) and the rotor (21) is mounted for rotation exteriorly of and relative to the stator, the rotor comprising a backing ring (16) of magnetic material and a series of permanent magnets (17) held at spaced-apart intervals on an inner surface of the backing ring (16) and opposing the poles (8) of the stator (25).
REFERENCES:
patent: 686960 (1901-11-01), Truitt
patent: 974591 (1910-11-01), Patterson
patent: 1521858 (1925-01-01), Bock
patent: 1757585 (1930-05-01), Orr
patent: 1760775 (1930-05-01), Peters
patent: 1772863 (1930-08-01), Green
patent: 1773334 (1930-08-01), Altorfer
patent: 2001965 (1935-05-01), Kirby
patent: 2109620 (1938-03-01), Kirby
patent: 2135084 (1938-11-01), Kirby
patent: 2161618 (1939-06-01), Dunham
patent: 2161619 (1939-06-01), Dunham
patent: 2167086 (1939-07-01), Page
patent: 2219680 (1940-10-01), Caldwell
patent: 2232812 (1941-02-01), Studer
patent: 2268204 (1984-12-01), Dunham
patent: 2298095 (1942-10-01), Dunham
patent: 2298905 (1942-10-01), Skinner
patent: 2302012 (1942-11-01), Dyer
patent: 2313644 (1943-03-01), Hvid
patent: 2361767 (1944-10-01), Hays, Jr.
patent: 2366236 (1945-01-01), Clark
patent: 2375635 (1945-05-01), Dyer
patent: 2471217 (1949-05-01), Johnson
patent: 2513844 (1950-07-01), Castner et al.
patent: 2561257 (1951-07-01), Woodson
patent: 2579598 (1951-12-01), Morrison
patent: 2610498 (1952-09-01), Geldhof et al.
patent: 2656699 (1953-10-01), Chapin
patent: 2656702 (1953-10-01), Chapin
patent: 2660044 (1953-11-01), Williams
patent: 2665576 (1954-01-01), Thiele
patent: 2702093 (1955-02-01), Sherrill
patent: 2709956 (1955-06-01), Litzenberg
patent: 2709965 (1955-06-01), Litzenberg
patent: 2730886 (1956-01-01), Castner
patent: 2845156 (1958-07-01), Dayton
patent: 2872801 (1959-02-01), Smith
patent: 3106081 (1963-10-01), Mitchell
patent: 3152463 (1964-10-01), Sones et al.
patent: 3216226 (1965-11-01), Alger et al.
patent: 3279223 (1966-10-01), Severance et al.
patent: 3324690 (1967-06-01), Button
patent: 3339097 (1967-08-01), Dunn
patent: 3356920 (1967-12-01), Button
patent: 3503086 (1970-03-01), Mason et al.
patent: 3511067 (1970-05-01), Matzen
patent: 3604222 (1971-09-01), Wutherich et al.
patent: 3783359 (1974-01-01), Malkiel
patent: 3882336 (1975-05-01), Boyd et al.
patent: 3914963 (1975-10-01), Brimer
patent: 4027215 (1977-05-01), Knight et al.
patent: 4232536 (1980-11-01), Koseki et al.
patent: 4245488 (1981-01-01), Alley
patent: 4250435 (1981-02-01), Alley et al.
patent: 4250544 (1981-02-01), Alley
patent: 4254641 (1981-03-01), Gauer et al.
patent: 4327302 (1982-04-01), Hershberger
patent: 4392073 (1983-07-01), Rosenberry, Jr.
patent: 4395815 (1983-08-01), Stanley et al.
patent: 4468938 (1984-09-01), McMillan
patent: 4528495 (1985-07-01), Boyd, Jr.
patent: 4540921 (1985-09-01), Boyd
patent: 4563786 (1986-01-01), Brunswick
patent: 4626178 (1986-12-01), Terumoto
patent: 4672250 (1987-06-01), Seitz
patent: 4698542 (1987-10-01), Muller
patent: 4712035 (1987-12-01), Forbes et al.
patent: 4712055 (1987-12-01), Houser
patent: 4813248 (1989-03-01), Smith
patent: 4835839 (1989-06-01), Forbes
patent: 4853571 (1989-08-01), Smith et al.
patent: 4998052 (1991-03-01), Erdman et al.
patent: 5040285 (1991-08-01), Williams et al.
Duncan Gerald D.
Shacklock Frank W.
Smith Dennis E.
Thomas Graeme D.
Williams John J. A.
Fisher & Paykel Limited
Haszko D. R.
Stephan Steven L.
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