Brake actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 2, 2000
Grant Date -
N/A
app pub date -
Sep 23, 1998
filing date -
Sep 23, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brake actuator comprises an electric motor, a conversion device for converting the rotational movement of the electric motor into a linear movement and a hydraulic transmission for transmitting the linear movement of the conversion device to an adjusting piston of a brake. The hydraulic transmission comprises at least two hydraulic pistons which independently of one another can be axially displaced in a hydraulic chamber, whose first hydraulic piston by way of a first driving element of the conversion device can be operated directly by the electric motor and whose second hydraulic piston can be operated by way of second driving element of the conversion device which can be taken along by a controllable clutch element by the first driving element.
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