Vane rotary type gas compressor

Abstract

The present invention provides a vane rotary type gas compressor including a casing, a compressor main body provided within the casing and compressing a coolant sucked by rotary drive, and a drive power transmitter applying a rotary drive power to the compressor main body, and an outer peripheral wall of the casing is provided with a vibration transmission suppressing rib continuously from a mounting portion on a vehicle side, the vibration transmission suppressing rib suppressing vibration transmission caused by the rotary drive of the compressor main body.

What is claimed is: 
     
         1 . A vane rotary type gas compressor comprising: a casing;
 a compressor main body provided within the casing and compressing a coolant sucked by rotary drive; and   a drive power transmitter applying a rotary drive power to the compressor main body,   wherein an outer peripheral wall of the casing is provided with a vibration transmission suppressing rib continuously from a mounting portion on a vehicle side, the vibration transmission suppressing rib suppressing vibration transmission caused by the rotary drive of the compressor main body.   
     
     
         2 . The vane rotary type gas compressor according to  claim 1 , wherein the vibration transmission suppressing rib is provided on a whole periphery of the outer peripheral wall of the casing. 
     
     
         3 . The vane rotary type gas compressor according to  claim 1 , wherein the vibration transmission suppressing rib is provided on the outer peripheral wall surrounding a periphery of the compressor main body within the casing. 
     
     
         4 . The vane rotary type gas compressor according to  claim 1 , wherein the vibration transmission suppressing rib is a convex portion which projects from the outer peripheral wall of the casing, and is provided with an auxiliary rib which is extended to a flange portion toward an opening portion of the casing. 
     
     
         5 . The vane rotary type gas compressor according to  claim 4 , wherein a thickness reduction portion concaved toward the outer peripheral wall of the casing from the outer periphery is provided between the flange portion and the vibration transmission suppressing rib. 
     
     
         6 . The vane rotary type gas compressor according to  claim 2 , wherein the vibration transmission suppressing rib is a convex portion which projects from the outer peripheral wall of the casing, and is provided with an auxiliary rib which is extended to a flange portion toward an opening portion of the casing. 
     
     
         7 . The vane rotary type gas compressor according to  claim 6 , wherein a thickness reduction portion concaved toward the outer peripheral wall of the casing from the outer periphery is provided between the flange portion and the vibration transmission suppressing rib. 
     
     
         8 . The vane rotary type gas compressor according to  claim 3 , wherein the vibration transmission suppressing rib is a convex portion which projects from the outer peripheral wall of the casing, and is provided with an auxiliary rib which is extended to a flange portion toward an opening portion of the casing. 
     
     
         9 . The vane rotary type gas compressor according to  claim 8 , wherein a thickness reduction portion concaved toward the outer peripheral wall of the casing from the outer periphery is provided between the flange portion and the vibration transmission suppressing rib. 
     
     
         10 . The vane rotary type gas compressor according to  claim 2 , wherein the vibration transmission suppressing rib is provided on the outer peripheral wall surrounding a periphery of the compressor main body within the casing. 
     
     
         11 . The vane rotary type gas compressor according to  claim 10 , wherein the vibration transmission suppressing rib is a convex portion which projects from the outer peripheral wall of the casing, and is provided with an auxiliary rib which is extended to a flange portion toward an opening portion of the casing. 
     
     
         12 . The vane rotary type gas compressor according to  claim 11 , wherein a thickness reduction portion concaved toward the outer peripheral wall of the casing from the outer periphery provided between the flange portion and the vibration transmission suppressing rib.