Coupled outlet vane device/angular adjustment

Abstract

A device for adjusting the angle of vanes of an outlet vane device of a compressor and to a method of assembling such a device is provided. The device includes multiple angularly adjustable vanes, each of which is mounted on a shaft in a housing. Each shaft has a lever which is guided using a slotted guide arranged on an adjusting ring such that the angular adjustment of the outlet vane device is coupled to an inlet vane device of the compressor, the vanes are first mounted onto the respective shaft, rollers are mounted on the respective lever, the slotted guides are mounted onto the adjusting ring, and the adjusting ring is mounted onto the inlet vane device. The shafts are mounted in the housing, and the levers are mounted onto the respective shaft. The inlet vane device is then mounted into the housing, the rollers being introduced into the respective slotted guide, whereby the angular adjustment is coupled.

1 - 10 . (canceled) 
     
     
         11 . A radial geared compressor, with a compressor stage comprising:
 an inlet guide vane apparatus with a plurality of vanes which are angularly adjustable by means of an angular adjustment arrangement;   an exit guide vane apparatus with a plurality of vanes which are angularly adjustable by means of an angular adjustment arrangement;   a device for the coupled angular adjustment of the vanes of the exit guide vane apparatus and of the vanes of the inlet guide vane apparatus of the compressor stage of the geared compressor,   wherein the geared compressor includes a plurality of compressor stages which are grouped around a bull gear,   wherein the geared compressor has a plurality of parallel shafts which in each case carry one or two impellers which is, or are, accommodated in scroll casings,   wherein the plurality of parallel shafts are driven by the bull gear,   wherein the vanes of the exit guide vane apparatus are mounted in each case on a shaft in a casing of the compressor stage and the shafts have in each case an adjusting lever which is guided using a slotted link,   wherein the slotted links are arranged on an adjusting ring of the exit guide vane apparatus so that with adjustment of the adjusting ring the angular adjustment of the vanes of the exit guide vane apparatus is realized, and   wherein the adjusting ring of the exit guide vane apparatus is connected to the inlet guide vane apparatus in such a way that the adjustment of the adjusting ring of the exit guide vane apparatus is coupled to the angular adjustment of the vanes of the inlet guide vane apparatus.   
     
     
         12 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the adjusting ring of the exit guide vane apparatus is connected to an adjusting ring of the inlet guide vane apparatus by means of which, during its adjustment, the angular adjustment of the vanes of the inlet guide vane apparatus is realized.   
     
     
         13 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the adjusting lever is guided in the slotted link using a roller which is arranged on the lever.   
     
     
         14 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the slotted link has an elongated hole and includes a surface which is neutral to a roll circle of a roller which is arranged on the lever and guided in the slotted link.   
     
     
         15 . The geared compressor with a compressor stage as claimed in  claim 14 ,
 wherein the slotted link has a straight elongated hole or includes a surface which is neutral to a roll circle of a roller which is arranged on the lever and guided in the slotted link.   
     
     
         16 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein fastening of the vanes of the exit guide vane apparatus on the shaft is carried out using a sleeve, and   wherein the sleeve and the shaft are held together in the axial direction via a threaded pin.   
     
     
         17 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the device for the angular adjustment is of a separable construction, the separability being carried out at a connecting point between the adjusting lever and the slotted link.   
     
     
         18 . The geared compressor with a compressor stage as claimed in  claim 17 ,
 wherein the separability is carried out between a roller, which is arranged on the adjusting lever, and the slotted link.   
     
     
         19 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the slotted link or a roller, which is arranged on the adjusting lever, have, or has, an installation chamfer.   
     
     
         20 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the slotted link and a roller, which is arranged on the adjusting lever, have, or has, an installation chamfer.   
     
     
         21 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the casing is a scroll casing.   
     
     
         22 . The geared compressor with a compressor stage as claimed in  claim 11 ,
 wherein the geared compressor is a multistage geared compressor, used for an air separation plant.   
     
     
         23 . A method for the mounting of the compressor stage of a geared compressor with a radial compressor stage as claimed in claim  1  with coupling of the angular adjustment of the exit guide vane apparatus to the angular adjustment of the inlet guide vane apparatus of the compressor stage of the geared compressor, comprising:
 mounting the plurality of vanes of the exit guide apparatus on the respective shaft and a plurality of rollers are mounted on the respective adjusting lever; 
 mounting the slotted links on the adjusting ring and the adjusting ring is mounted on the inlet guide vane apparatus; 
 installing the shafts in the casing and the adjusting levers are mounted on the respective shaft; and 
 installing the inlet guide vane apparatus in the casing, wherein the plurality of rollers are introduced into the respective slotted link, as a result of which the coupling is brought about.