ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSK..HR............JDIM350 (Ver 2.1 Jan 2001) 1990980/0 1620000/01466666EUROPEAN PATENT APPLICATIONA320050518EP04252071.820040407EnEnEn030801220030407GB20050518200520200410132004427 7B 02C 18/12 A 7B 02C 18/24 B 7H 02P 7/295 BdeGarten-ZerkleinerungsmaschineenGarden shredderfrBroyer de jardinage2Robert Bosch GmbH00200078HRW/Bosch 03081ZGM1, Postfach 30 02 2070442 StuttgartDEJordan, Christopher14 Naughton GardensStowmarket IP14 2RAGBWright, Hugh Ronald00038055Brookes Batchellor LLP, 102-108 Clerkenwell RoadLondon EC1M 5SAGBATBEBGCHCYCZDEDKEEESFIFRGBGRHUIEITLILUMCNLPLPTROSESISKTRALHRLTLVMK20050518200520

A garden shredder to shred garden material comprising a feeder for receiving said garden material, one or more blades for shredding said garden material received by said feeder, a series-type electric motor connected to move said one or more blades, and an electronic controller for controlling the electric motor, the electronic controller comprising an electronic circuit including means to sense the speed of rotation of the motor and means to control the speed of the motor to reduce the increase of the speed of rotation of the motor when the load applied to the motor by said one or more blades is reduced or removed In this way, when there is no or only a small amount of garden material fed to the blades, the increase of the speed of rotation of the blades and hence the noise generated is reduced.