Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-12-18
1992-03-03
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 47, 439 65, H02K 326, H02K 3704, H02K 714
Patent
active
050935933
ABSTRACT:
A dc permanent magnet motor for a surgical handpiece, comprises a housing and a stator including windings fixed in the housing. A rotor is supported for rotation in the housing and has a forward extending rotatable shaft. A conventional sensor adjacent the windings and rotor has stiff conductive electrodes extending rearward. A printed circuit board disk has plural axial holes along the perimeter thereof defining conductive sockets into which the electrodes plug, which disk is located coaxially rearward of said rotor and windings and is fixed with respect to the housing. A rear-facing, separable connector holder behind the printed circuit board has terminals rear-facing therefrom for connection to an external electrical supply. The holder is fixed with respect to the housing. Electrical connections are effected between the conductive sockets of the printed circuit board and the rear-facing terminals of the holder.
REFERENCES:
patent: 2993391 (1961-07-01), Raney
patent: 4859188 (1989-08-01), Neumann
patent: 4911645 (1990-03-01), August et al.
patent: 4988905 (1991-01-01), Tolmie, Jr.
Rebsch D. L.
Stephan Steven L.
Stryker Corporation
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