Fluid-pressure and analogous brake systems – Speed-controlled – Electric control circuit detail
Reexamination Certificate
2008-03-18
2008-03-18
Williams, Thomas (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
Electric control circuit detail
C303S020000
Reexamination Certificate
active
11118402
ABSTRACT:
An apparatus for preventing untimely braking, which apparatus is specially adapted to an electromechanical brake including at least one actuator having a pusher suitable for being moved by an electric motor controlled by a control module so as to press a stack of disks in controlled manner, The apparatus is provided with a power switch disposed on a power line for powering the electric motor of the actuator, the power switch being controlled by a control logic circuit that places the power switch by default in an open state, and that places the power switch in a closed state only in response to a braking confirmation signal not coming from the control module of the actuator and independent therefrom.
REFERENCES:
patent: 7213891 (2007-05-01), Sibre
patent: 2004/0239173 (2004-12-01), Williams et al.
patent: 2005/0012385 (2005-01-01), Sibre
patent: 4129502 (1993-03-01), None
patent: 764172 (1934-05-01), None
patent: 2608975 (1988-07-01), None
patent: 2790730 (2000-09-01), None
patent: 2857642 (2005-01-01), None
patent: 2332931 (1999-07-01), None
Messier-Bugatti
Williams Thomas
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