Electric steering motor with internal circuit board
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2004
Grant Date -
Mar 6, 2003
app pub date -
Aug 28, 2001
filing date -
Aug 28, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicle steering system (10) includes a pinion (30) and a steering member (14) movable axially to turn steerable wheels. The steering member (14) has a rack portion (34) in engagement with the pinion (30) and a screw portion (38). An electric motor (130) includes a rotor (134) and a stator (132). The screw thread portion (38) extends axially through the motor (130). A ball nut (116) rotatable with the rotor (134) is associated with the screw thread portion (38) for effecting axial movement of the steering member (14) in response to rotation of the rotor. An electronic control unit (148) for the motor (130) includes a circuit board (150) and a plurality of electronic components mounted on the circuit board. The circuit board (150) has a non-planar configuration and at least partially encircles a portion of the steering member (14) at a location spaced axially from the electric motor (130).
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