Anti-lock braking system

Details Anti-lock braking system Anti-lock braking system

2011-06-14

2011-06-14

Schwartz, Christopher P (Department: 3657)

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

C310S179000

Reexamination Certificate

active

07959238

ABSTRACT:
The motor of an anti-lock braking system comprises a stator having six stator poles and a rotor with a rotor core having nine teeth. The rotor is rotatably mounted to the stator with the rotor core confronting the stator poles. Rotor windings are wound about the teeth and electrically connect to a commutator fixed to a rotor shaft. A bearing is fixed onto one end of the rotor shaft. Pump pistons radially attach to the bearing. The mechanical centreline of the bearing is offset from the rotational axis of the rotor shaft so that the pistons are driven by the bearing when the rotor turns. The windings comprise a plurality of concentrated coils so that the coils do not overlap with each other. The axial length of the motor is thus reduced.

REFERENCES:
patent: 5801467 (1998-09-01), Volz et al.
patent: 5895207 (1999-04-01), Burgdorf et al.
patent: 7239060 (2007-07-01), Cros et al.
patent: 7703862 (2010-04-01), Abe et al.
patent: 2005/0147512 (2005-07-01), Chen et al.
patent: 2009/0058210 (2009-03-01), Qin et al.
patent: 2009/0142208 (2009-06-01), Rhein et al.

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