Belimo Holding Ag

Furrer, Andreas

Andreas Furrer

Martin Ochsenbein

The invention relates to a safety controller for an actuating drive () for controlling a gas flow or a liquid flow in an open-loop or closed-loop manner by means of a flap () or a valve, in particular in the field of heating, ventilation, and air conditioning (HVAC) systems, fire-protection systems, and/or room protection systems. A safety circuit () is implemented to ensure the energy supply in a safety operating mode if an electricity supply circuit () drops off or is lost. A control value output circuit () detects status signals, in particular signals of a sensor (), and/or status parameters of a system and/or a specifiable setting of an adjustment device that can be actuated manually. The safety control value is set to one of at least two different control values (SW, SW, . . . ) depending on the status signals so that the safety position of the flap is determined adaptively.

Safety controller for an actuator

The invention relates to reduction gearing () for an electrically driven actuator for controlling a gaseous or liquid volumetric flow (), in particular in the fields of heating, ventilation and air conditioning technology and fire and smoke protection, said reduction gearing () being modular. Said gearing consists essentially of primary gearing () containing at least one drive motor () and secondary gearing () with a power take-off (). In addition, a self-limiter () is integrated into the primary gearing (). The gearing modules () are detachably interconnected, in particular various secondary gearing mechanisms () can be used for the primary gearing (). The inventive reduction gearing () is advantageously complemented in particular by a modular actuator comprising a modular housing, a modular electronics system (), a sensor and COM module and a coupling module ().

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Wetzikon, Switzerland

Andreas Furrer