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US 6,111,378 AGranted
Window wiper motor system for an automotive vehicle
AssigneeUT Automotive Dearborn, Inc.
InventorsPhilip LeMay, H. Winston Maue
Life of this patent
Estimating the term…
Abstract
A window wiper motor system for an automotive vehicle includes an incremental wiper position detection device. A window wiper feedback pattern is disposed on a stationary circuit board mounted within a gear enclosure with its electronic components facing inwardly toward a main gear. A low profile, flip chip integrated circuit attachment to the printed circuit board is also provided.
Claims5
A system for use in an automotive vehicle, said system comprising:
- an electric motor;
- a gear enclosure;
- a gear located in said gear enclosure and operably rotating in response to energization of said electric motor;
- a circuit board located in said gear enclosure;
- a microprocessor mounted to said circuit board in a flip chip manner, said microprocessor controlling energization of said electric motor;
- and
- a shaft rotatably driven by said gear.
4 more elements
A method of operating a window wiper motor system, said method comprising:
- (a) determining an incremental position of a member moving with a window wiper between ends of wiper sweep travel by sensing the actual position of said member relative to a stationary reference;
- (b) determining the speed of movement of said member in response to said incremental position determination;
- and
- (c) automatically varying the speed of said member, including amounts greater than zero, through variable energization of an electric motor which drives said member in response to said speed determination.
1 more element
Dependencies are inferred from the claim text.