Food processing appliance having microcomputer speed control

A multipurpose food processing appliance includes a drive unit having an electric motor (26) adapted for driving connection with a food processing implement. A magnetic tachometer (100) measures the speed of the electric motor (26) and supplies a speed signal to a microprocessor (150) which compares...

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Bibliographic Details
Main Authors WARD JAMES GIEFFERS, LAWRENCE EDWARD KROL, FREDERICK PHILIP GARDNER, MICHAEL JOHN SEIDEL, JAMES BENZIE COCKROFT
Format Patent
LanguageEnglish
Published 15.08.1984
Subjects
APPARATUS FOR MAKING BEVERAGES
COFFEE MILLS
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DOMESTIC ARTICLES OR APPLIANCES
ELECTRICITY
FURNITURE
GENERATION
HUMAN NECESSITIES
KITCHEN EQUIPMENT
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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Summary:A multipurpose food processing appliance includes a drive unit having an electric motor (26) adapted for driving connection with a food processing implement. A magnetic tachometer (100) measures the speed of the electric motor (26) and supplies a speed signal to a microprocessor (150) which compares the speed signal with a selected reference speed and controls a triac (362) connected to the electric motor (26). The reference speed is selected by a user on a keyboard (250) comprising buttons (300-326) and is displayed on displays (180), (220).
Bibliography:Application Number: GB19830033961