Cooling attachment system for compressor motor assembly

Abstract

A compressor motor assembly and method of operation are described. The fan mount sleeve motor assembly has a motor housing for receiving a motor, a hollow motor shaft forming a cavity for receiving a pump shaft, a pump shaft extending from a pump, a rotational cooling unit shroud dimensioned and configured to receive a rotational cooling unit, wherein the rotational cooling unit shroud and rotational cooling unit have a central opening for receiving a pump shaft, and a keyed hub sleeve dimensioned and configured to house the pump shaft, wherein the keyed hub sleeve coupled to the pump shaft together are couplable to and received by the hollow motor shaft, and wherein the keyed hub sleeve fastens the rotational cooling unit to the pump shaft, allowing the rotation of the pump cooling fan to be fixed to the pump shaft rotation when coupled with the motor shaft.

What is claimed is: 
     
         1 . A dual sleeve hub for coupling a motor to a compressor during operation, the dual sleeve hub comprising:
 a cylindrical surface plate having a central axis and a cylindrical thickness spacing first and second sides;   a central aperture passing from said first side to said second side about said central axis; and   a hub shaft projecting from one of said first and second sides, said hub shaft having first and second sleeves sharing a common key slot.   
     
     
         2 . The dual sleeve hub of  claim 1  further comprising a plurality of tapped openings for securing a fan between a motor and compressor during operation. 
     
     
         3 . A system for coupling a motor to a compressor during operation, the system comprising:
 a pump having a male motor shaft, the pump for compressing air during rotational operation;   a motor having a hollow motor shaft for rotating said pump during rotational operation; and   a dual sleeve hub for coupling said motor to said pump during operation, the dual sleeve hub comprising:
 a cast cylindrical surface plate having a central axis and a cylindrical thickness spacing first and second sides; 
 a central aperture passing from said first side to said second side about said central axis; and 
 a hub shaft projecting from one of said first and second sides, said hub shaft having first and second sleeves sharing a common key slot such that said first sleeve is received by said hollow motor shaft during assembly for rotational coupling and said second sleeve receives said male pump shaft during assembly for rotational coupling; 
 wherein said key slot is axially aligned with a blind key slot in said male pump shaft and said hollow motor shaft such that a key when positioned therein concomitantly rotates said dual sleeve hub and pump with the rotation of said motor during operation. 
   
     
     
         4 . The system of  claim 3  wherein said cylindrical surface plate further comprises a plurality of tapped openings for securing a fan between a motor and compressor during operation. 
     
     
         5 . The system of  claim 3  wherein said cylindrical surface plate further comprises a counterweight providing rotational balance to the system during operation. 
     
     
         6 . A system for coupling a cooling arrangement between a motor to a compressor pump during operation, the system comprising:
 a pump having a male motor shaft, the pump for compressing air during rotational operation;   a motor having a hollow motor shaft for rotating said pump during rotational operation;   a dual sleeve hub for coupling said motor to said pump during operation, the dual sleeve hub comprising:
 a cast cylindrical surface plate having a central axis and a cylindrical thickness spacing first and second sides; 
 a central aperture passing from said first side to said second side about said central axis; and 
 a hub shaft projecting from one of said first and second sides, said hub shaft having first and second sleeves sharing a common key slot such that said first sleeve is received by said hollow motor shaft during assembly for rotational coupling and said second sleeve receives said male pump shaft during assembly for rotational coupling; 
 wherein said key slot is axially aligned with a blind key slot in said male pump shaft and said hollow motor shaft such that a key when positioned therein concomitantly rotates said dual sleeve hub and pump with the rotation of said motor during operation; 
   a cooling fan secured to said dual sleeve hub for cooling said motor and compressor during operation; and   a flow passage surface positioned between said motor and said fan, said flow passage surface having a plurality of openings for cooling said motor and pump during operation.   
     
     
         7 . The system of  claim 6  wherein said cast cylindrical surface plate further comprises a plurality of tapped openings for securing said fan between said motor and pump during operation. 
     
     
         8 . The system of  claim 6  wherein said cast cylindrical surface plate further comprises a counterweight providing rotational balance to the system during operation. 
     
     
         9 . A fan mount sleeve motor assembly comprising:
 a motor housing for receiving a motor, the motor housing comprising cooling thins for the release of heat from the motor;   a hollow motor shaft comprising a cavity for receiving a pump shaft;   a pump shaft extending from a pump;   a rotational cooling unit shroud dimensioned and configured to receive a rotational cooling unit, wherein the rotational cooling unit shroud and rotational cooling unit comprise a central opening for receiving a pump shaft; and   a keyed hub sleeve dimensioned and configured to house the pump shaft, wherein the keyed hub sleeve coupled to the pump shaft together are couplable to and received by the hollow motor shaft, and wherein the keyed hub sleeve fastens the rotational cooling unit to the pump shaft, allowing the rotation of a pump cooling fan to be fixed to the pump shaft rotation when coupled with the motor shaft, and allowing the rotational cooling unit to draw heat from the motor housing.   
     
     
         10 . The system of  claim 9  wherein said keyed hub sleeve further comprises a plurality of tapped openings for securing said pump cooling fan between the motor and pump during operation. 
     
     
         11 . The system of  claim 9  wherein said keyed hub sleeve further comprises a counterweight providing rotational balance between the pump and motor during operation. 
     
     
         12 . The system of  claim 9  further comprising a tunnel having a first end connected to and extending about the length of said motor for directing air being drawn by said cooling fan through an opening in said tunnel located at a second end of said tunnel. 
     
     
         13 . The system of  claim 9  wherein said shroud further comprises a plurality of flow passages for the flow of forced air from said cooling fan during operation. 
     
     
         14 . The system of  claim 13  further comprising a tunnel having a first end connected to and extending about the length of said motor for directing air being drawn by said cooling fan through an opening in said tunnel located at a second end of said tunnel. 
     
     
         15 . The system of  claim 11  wherein said keyed hub sleeve further comprises a plurality of tapped openings for securing said pump cooling fan between the motor and pump during operation. 
     
     
         16 . The system of  claim 13  wherein said flow passages are circular. 
     
     
         17 . The system of  claim 13  wherein said flow passages are ovular. 
     
     
         18 . A compressor motor assembly comprising:
 a pump shaft extending from a pump;   a rotational cooling unit shroud for housing a rotational cooling unit, wherein the rotational cooling unit shroud and rotational cooling unit comprise a central opening for receiving the pump shaft; and   a keyed hub sleeve dimensioned and configured to house the pump shaft, wherein the keyed hub comprises a counterweight for balancing the pump shaft, and wherein the keyed hub sleeve fastens the rotational cooling unit to the pump shaft, allowing the rotation of the pump cooling fan to be fixed to the pump shaft rotation.   
     
     
         19 . The compressor motor assembly of  claim 18  wherein said cooling fan is secured to said hub sleeve with fasteners. 
     
     
         20 . The compressor motor assembly of  claim 18  wherein said hub sleeve is enveloped by said cooling fan and said cooling unit shroud.