Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2006-05-26
2010-11-16
Benson, Walter (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S445000, C318S560000
Reexamination Certificate
active
07834570
ABSTRACT:
A method for operating an actuating element (30) comprises the following method steps: controlling the rotational frequency of an electric motor (1) to a constant value, calculating an estimate (FE) for the actuating force (F) acting on the actuating element, comparing the estimate (FE) with a predetermined limiting value, and detecting a current position of the actuating element (30) for the predetermined limiting value and assigning the detected position to a final position stored in a travel model. An actuating drive under the control of force and operating according to this method is low in noise and energy-efficient and can therefore be used, in particular, even to operate a battery-fed radiator valve driven in a wireless fashion.
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Benson Walter
Luo David S
Maginot Moore & Beck
Siemens Schweiz AG
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