Compact housing for rotary compressor system

Abstract

A rotary compressor assembly constructed to prevent leakage from the compressor housing to atmosphere through the interface between the cylindrical section and the covers of the housing. The compressor is disposed substantially within the tank which receives the compressor discharge and is connected to the wall of the tank. A seal between the compressor and the tank wall seals the tank and thereby prevents leakage from the compressor to atmosphere.

I claim: 
     
       1. A rotary compressor assembly comprising: tank means for receiving compressed fluid, said tank means having one wall defining an opening and inner and outer wall surfaces, said tank means also having a discharge outlet for compressed fluid;   fluid compressing means including a housing disposed to extend into said opening in said tank means and a rotor mounted within said housing;   a drive means for said compressing means, said drive means including a drive shaft connected to said rotor;   said compressing means having an inlet disposed at a point external to said tank means and an outlet within said tank means to permit compressed fluid to be discharged therein;   .Iadd.demister means mounted in said tank means for separating out oil mixed in the discharge from said fluid compressing means; .Iaddend.   said compressing means housing having cover means at the opposite ends thereof, one cover means being connected to the inwardly disposed end of the housing and the other cover means being connected to the opposite end of the housing and the one wall of the tank at the periphery of the opening, said other cover means coacting with said housing and said rotor to provide an operative seal between the outward end of said rotor and said other cover means;   sealing means located between one of said wall surfaces and the confronting surfaces of said other cover means adjacent the opening in the one wall of said tank means;   means providing a mechanical seal for said drive shaft at a point outboard of said other cover means; and   means to connect said other cover means at one end of said housing to said tank means about said opening for mounting said compressing means in operative relation to said tank and to permit said cover means and said sealing means to form a fluid tight cover for said opening in said tank means, and thereby prevent leakage from said compressing means housing to atmosphere.   
     
     
       2. The combination claimed in claim 1 wherein said sealing means is connected to the outer wall surface of the one wall on said tank means. 
     
     
       3. The combination claimed in claim 1 wherein: said other cover means includes a sealing flange; and   said sealing means comprises gasket means disposed between said sealing flange of said other cover means and the one wall of said tank.   
     
     
       4. The combination claimed in claim 3 wherein said sealing flange of said other cover means is disposed outside the one wall of said tank means. 
     
     
       5. The combination claimed in claim 4 wherein the inlet of said compressor housing is disposed in said other cover means connected to said tank means about said opening.