Machine for producing synthetic threads

Abstract

A machine for producing synthetic threads comprises at least one extruder station and at least one controller, further comprising a cooling liquid system for cooling at least one controller, the cooling liquid system comprising at least one cooling member having a cooling liquid channel for the passage of a cooling liquid and being in heat transfer contact with at least a part of the electrical components of a controller.

1 . Machine for producing synthetic threads, comprising at least one extruder station and at least one controller, further comprising a cooling liquid system for cooling at least one controller, the cooling liquid system comprising at least one cooling member having a cooling liquid channel for the passage of a cooling liquid and being in heat transfer contact with at least a part of the electrical components of a controller. 
     
     
         2 . The machine according to  claim 1 , wherein at least one cooling member comprises at least one cooling plate, at least a part of the electrical components being supported by at least one cooling plate, and/or wherein at least one cooling member comprises a body of an electrical component. 
     
     
         3 . The machine according to  claim 1 , wherein the cooling liquid system comprises a primary cooling liquid circuit and a primary cooling liquid flowing through the primary cooling liquid circuit, further comprising a primary heat exchanger for cooling the primary cooling liquid. 
     
     
         4 . The machine according to  claim 3 , wherein the cooling liquid system comprises at least one secondary cooling liquid circuit and a secondary cooling liquid flowing through the secondary cooling liquid circuit and passing through the cooling liquid channel of at least one cooling member. 
     
     
         5 . The machine according to  claim 4 , wherein the cooling liquid system comprises at least one first secondary heat exchanger for transferring heat from the secondary cooling liquid of at least one secondary cooling circuit to the primary cooling liquid of the primary cooling circuit, and/or wherein the cooling liquid system comprises at least one valve means for bringing at least one secondary cooling liquid circuit into and out of cooling liquid exchange communication with the primary cooling liquid circuit. 
     
     
         6 . The machine according to  claim 5 , wherein the cooling liquid system comprises at least one multifunctional regulator comprising a valve means and a first secondary heat exchanger for cooling a secondary cooling liquid by means of the primary cooling liquid in a condition in which the primary cooling liquid circuit is brought out of cooling liquid exchange communication with at least one secondary cooling liquid circuit by the valve means. 
     
     
         7 . The machine according to  claim 5 , wherein at least one first secondary heat exchanger is arranged for transferring heat from the secondary cooling liquids of at least two secondary cooling liquid circuits to the primary cooling liquid of the primary cooling liquid circuit, and/or wherein at least one valve means is arranged for bringing at least one secondary cooling liquid circuit of a plurality of secondary cooling liquid circuits into and out of cooling liquid exchange communication with the primary cooling liquid circuit. 
     
     
         8 . The machine according to  claim 1 , wherein at least one cooling member comprises a first cooling member portion in heat transfer contact with electrical components of a controller and a second cooling member portion not in heat transfer contact with electrical components of a controller for providing a heat exchanger area for cooling ambient air. 
     
     
         9 . The machine according to  claim 1 , wherein a fan is associated with at least one controller for generating an ambient air flow through the controller. 
     
     
         10 . The machine according to  claim 1 , wherein means for adjusting the amount of cooling liquid passing through the cooling liquid channel of at least one cooling member are provided, and/or wherein means for adjusting the temperature of the cooling liquid passing through the cooling liquid channel of at least one cooling member are provided. 
     
     
         11 . The machine according to  claim 10 , wherein the means for adjusting the amount of cooling liquid passing through the cooling channel of at least one cooling member comprise a cooling liquid pump and/or a valve. 
     
     
         12 . The machine according to  claim 5  and  claim 10  or  11 , wherein means for adjusting the amount of cooling liquid passing through the cooling liquid channel of at least one cooling member are provided, and/or wherein means for adjusting the temperature of the cooling liquid passing through the cooling liquid channel of at least one cooling member are provided, and wherein the means for adjusting the temperature of the cooling liquid passing through the cooling liquid channel of at least one cooling member comprise means for adjusting the amount of primary cooling liquid flowing through at least one first secondary heat exchanger. 
     
     
         13 . The machine according to  claim 1 , wherein at least one controller comprises a controller cabinet, at least part of the electrical components of the controller and at least one cooling member being arranged inside the controller cabinet. 
     
     
         14 . The machine according to  claim 1 , wherein at least one controller is an extruder station controller for controlling the operation of at least one extruder station, and/or wherein the machine comprises at least one draw frame station and wherein at least one controller is a draw frame station controller for controlling the operation of at least one draw frame station, and/or wherein the machine comprises at least one winding station and wherein at least one controller is a winding station controller for controlling the operation of at least one winding station. 
     
     
         15 . The machine according to  claim 3 , wherein at least one second secondary heat exchanger is provided for cooling a cooling air flow generated by a cooling air fan. 
     
     
         16 . The machine according to  claim 15 , wherein the cooling air flow is directed towards a filament exit area of at least one extruder station for cooling filaments exiting at least one extruder opening. 
     
     
         17 . The machine according to  claim 1 , wherein, in at least one cooling liquid circuit of the cooling liquid system, at least two cooling members are arranged serially and/or at least two cooling members are arranged in parallel with each other for the passage of cooling liquid flowing in the cooling liquid circuit. 
     
     
         18 . The machine according to  claim 17 , wherein at least two of the cool members are associated with different controllers. 
     
     
         19 . The machine according to  claim 1 , wherein at least one motor controlled by a controller is cooled by a cooling liquid flowing in a cooling liquid circuit of the cooling liquid system. 
     
     
         20 . The machine according to  claim 19 , wherein, in at least one cooling liquid circuit, at least one cooling member and at least one motor are arranged serially or in parallel to each other for the passage of cooling liquid flowing in the cooling liquid circuit. 
     
     
         21 . The machine according to  claim 1 , wherein at least one cooling member is in heat transfer contact with electrical components at two opposing sides thereof, and/or wherein at least one side of at least one cooling member at least one electrical component is removably supported. 
     
     
         22 . (canceled)