Linear direct current motor

Details Linear direct current motor Linear direct current motor

1994-07-18

1996-06-25

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Linear

H02K 4100

Patent

active

055303030

ABSTRACT:
A linear direct current motor that achieves compact size is described.
A magnetic sensor is arranged within an armature coil of the primary side, and the signal emitted in response to a field magnet of the secondary side by that magnetic sensor is obtained as a reference position signal for relative movement of the primary and secondary sides. As a result, the space occupied by the constitution for obtaining the reference position signal is essentially zero, thereby offering the advantage described above.

REFERENCES:
patent: 4638192 (1987-01-01), von der Heide
patent: 4768357 (1988-09-01), Ohtake
patent: 4952011 (1990-08-01), Ishii et al.
patent: 5047676 (1991-09-01), Ichikawa
patent: 5087844 (1992-02-01), Takedomi et al.
patent: 5229669 (1993-07-01), Takei
patent: 5359245 (1994-10-01), Takei

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