DK200700553A - Sorting system with linear synchronous motor drive - Google Patents

Claims (4)

1. 2. System according to dæm I, where each piste-like carrier is arranged in a horizontal position on the carts and the at least one stationary stator is .arranged to interact with the reaction elements from a position below said reaction demerits when the stotor and reaction elements are Interacting. 3» System: according to daim 1, where each pia&Hike carrier is arranged in a vertical position on the carts and at least one stationary stotor is arrange to interact with the reaction elemenis from a position situated sideways to said reaction elements when the stator and the reaction elements are interacting, 4» System according to claim t, where each plate-like carrier Is arranged In a vertical position on the carts and at least two stationary stators are arranged to Interact. wth the reectioh eiemeols from opposte positions sfeated sideways to said reaction elements whm th© stators and the reaction ©iemento are interacting..
2. 5, System according to my preceding claim, where the plete-like carrier comprises ferromagnetic material which is arranged to lead a magnetic field from at least one pemladént rtiagnet to another pérmånerd magnet 6« System according to any preceding claim, where the surface of the permanent: magnets has an axtent of from 40 to less thin SO miimetraa la a longiudinai direction of the cart, ?, System iceordiog to any preceding claim, where a cart to cart pitch of consecutive carts is a natyral nymPerøf hundrtfe of mllmefros, I. System leeordiog tø any presiding claim, whim the pitch øf cønsacutivt mm is selected from a group comprising 209,. 390, 400, §90, 60S, TOO, &00r 990, 1000.. 1100, 1200, 1390, 1490,· 1500, 1609, 1700,1890, 1900 and 2000 milmetrts, 9» System according tø my preceding claim, where the carts term an endless chain Qf carts, 1.0. . System gccørdiog to any preceding dpim, where a plurality of stators are arranged along the track.
3. 11. System according to any preceding claim, where me controller further comprises ah encoder for determining a position and a speed of one or mors carts, and the coslrolar is operable to central the electrical power applied to the coil assembly in response to the determined position· and speed.
4. 12, A cart for a sorting system according to any of claims 1-11, the. cart comprising 0 frame structure, at least one magnetic reaction element comprising m uneven and plural number of permanent magnets mounted equidistant^ m a at least one plato-ilNe carrier, where the cart comprises Sinking means for connection to another cart, and where the reaction element, when the cart is to m Identical cart te ferm two carts, ih® mag æts øn the reaction elements ef said two adjacent: carts are farvning a row of magnets with constant pitch and iitamifeg polarity, said row having m only irrtemrptian where ana magnet is absent, said interruption: being located by a transition between said two adjacent carts,