Hydraulic manifold for a hydraulic heating and/or cooling system

Abstract

A hydraulic manifold for a hydraulic heating and/or cooling system includes a feed conduit ( 212 ) and a return conduit ( 216 ). The feed conduit ( 212 ) includes at least one feed connection ( 258 ), and the return conduit ( 216 ) includes at least one return connection ( 260 ), for the connection of a load circuit ( 228 ). A load module ( 204 ), in which a section of the feed conduit ( 212 ) with the feed connection ( 258 ), and a section of the return conduit ( 216 ) with the return section ( 260 ) are formed, includes at least one mixing device with a pump ( 232 ) and with a regulating valve ( 230 ), to admix fluid from the return connection ( 260 ) to a fluid flow from the feed conduit ( 212 ) to the feed connection ( 258 ). The section of the feed conduit ( 212 ) and the return conduit ( 216 ) in each case include an additional contact for connection with a further load module.

What is claimed is: 
     
         1 . A hydraulic manifold for a hydraulic heating and/or cooling system, the hydraulic manifold comprising:
 a feed conduit comprising at least one feed connection;   a return conduit comprising at least one return connection, for the connection of a load circuit   at least one load module, in which a section of the feed conduit with the feed connection is formed and a section of the return conduit with the return section are formed, the load module comprising at least one mixing device with a pump and with a regulating valve to admix fluid from the return connection to fluid flow from the feed conduit to the feed connection wherein the section of the feed conduit and the section of the return conduit each comprise an additional contact for connection with a further load module.   
     
     
         2 . A hydraulic manifold according to  claim 1 , further comprising at least another load module wherein the manifold comprises a plurality of load modules which are releasably connected to one another with the sections of the feed conduit each connected to one another, and the sections of the return conduit each connected to one another. 
     
     
         3 . A hydraulic manifold according to  claim 1 , further comprising a main module comprising at least one of a control device and an entry for the feed conduit and an exit for the return conduit, wherein the at least one load module is connected releasably to the main module. 
     
     
         4 . A hydraulic manifold according to  claim 2 , further comprising a manifold control device controlling at least one of the regulating valve and the pump in the load modules. 
     
     
         5 . A hydraulic manifold according to  claim 4 , further comprising a data bus wherein the manifold control device is signal-connected to the load modules via the data bus. 
     
     
         6 . A hydraulic manifold according to  claim 4 , further comprising a main module comprising at least one of a control device and an entry for the feed conduit and an exit for the return conduit, wherein the at least one load module is connected releasably to the main module, wherein the manifold control device is arranged in the main module. 
     
     
         7 . A hydraulic manifold according to  claim 4 , further comprising a data bus and at least one temperature sensor arranged in the at least one load module and signal-connected to the manifold control device via a data bus. 
     
     
         8 . A hydraulic manifold according to  claim 7 , wherein the temperature sensor in the load module is arranged in a manner such that it detects the temperature of a fluid flowing through the feed connection. 
     
     
         9 . A hydraulic manifold according to  claim 4 , wherein the manifold control device sets a temperature of a fluid flow through the feed connection by way of activating the regulating valve. 
     
     
         10 . A hydraulic manifold according to  claim 4 , wherein the manifold control device sets a fluid flow through the feed connection by way of activating the pump ( 232 ). 
     
     
         11 . A hydraulic manifold according to  claim 4 , wherein the manifold control device comprises at least one communication interface for receiving signals from an external control element comprising a room thermostat. 
     
     
         12 . A hydraulic manifold according to  claim 4 , wherein the main module comprises an energy supply for the pump and the regulating valve in the at least one load module. 
     
     
         13 . A hydraulic manifold according to  claim 1 , wherein the pump in the at least one load module is arranged in a flow path between a mixing point, in which a flow path from the feed conduit and a flow path from the return connection meet, and the feed connection. 
     
     
         14 . A hydraulic manifold according to  claim 1 , wherein the regulating valve is arranged in one of:
 a flow path from the return connection to a mixing point, in which a flow path from the feed conduit and the flow path from the return connection meet; and   the flow path from the feed conduit to the mixing point.   
     
     
         15 . A hydraulic manifold according to  claim 1 , wherein the regulating valve is a motorically driven valve. 
     
     
         16 . A hydraulic manifold for a hydraulic heating and/or cooling system with a feed conduit and a return conduit, the hydraulic manifold comprising a load module comprising:
 a feed conduit section forming a portion of the feed conduit;   a feed connection connected to the feed conduit section;   a return conduit section forming a portion of the return conduit;   a return connection connected to the return conduit; and   a mixing device comprising a pump and a regulating valve to admix fluid from the return connection to fluid flow from the feed conduit to the feed connection wherein the feed conduit section and the return conduit section of each comprise a connection interface for connection with a further load module.   
     
     
         17 . A hydraulic manifold according to  claim 16 , further comprising another load module comprising:
 a feed conduit section forming a portion of the feed conduit;   a feed connection connected to the feed conduit section;   a return conduit section forming a portion of the return conduit;   a return connection connected to the return conduit; and   a mixing device comprising a pump and a regulating valve to admix fluid from the return connection to fluid flow from the feed conduit to the feed connection wherein the feed conduit section and the return conduit section of each comprise a connection interface for connection with a further load module, wherein the manifold comprises a plurality of load modules which are releasably connected to one another with the sections of the feed conduit each connected to one another, and the sections of the return conduit each connected to one another.   
     
     
         18 . A hydraulic manifold according to  claim 17 , further comprising a main module comprising at least one of a control device and a connection interface for the feed conduit and the return conduit, wherein the load module is connected releasably to the main module. 
     
     
         19 . A hydraulic manifold according to  claim 18 , further comprising a manifold control device controlling at least one of the regulating valve and the pump in the load modules, wherein the manifold control device is arranged in the main module. 
     
     
         20 . A hydraulic manifold according to  claim 19 , further comprising a data bus wherein the manifold control device is signal-connected to the load modules via the data bus.