Compressor valve arrangement

Abstract

An arrangement for a compressor ( 20 ) having a suction valve ( 36 ) and discharge valve ( 56 ) is provided. The compressor ( 20 ) includes a cylinder ( 24 ) having a diametral axis ( 33 ). A valve plate ( 28 ) is positioned to cover the cylinder ( 24 ). The valve plate ( 28 ) includes a suction port ( 32 ) positioned on the diametral axis ( 33 ) and a discharge port ( 34 ). A suction valve ( 36 ) having a first end ( 44 ) is coupled to the valve plate ( 28 ) and a second end ( 46 ) is movable between a first position, in contact with suction port ( 32 ), and a second position. The suction valve ( 36 ) is arranged such that it is on an angle relative to the diametral axis ( 33 ).

1 . A compressor ( 20 ) comprising:
 a cylinder ( 24 ) having a diametral axis ( 33 );   a valve plate ( 28 ) covering said cylinder ( 24 ), said valve plate ( 28 ) having a suction port ( 32 ) positioned on said diametral axis ( 33 ) and a discharge port ( 34 );   a valve ( 36 ) having a first end ( 44 ) coupled to said valve plate ( 28 ) and a second end ( 46 ) movable between a first position ( 70 ) in contact with said suction port ( 32 ) and a second position ( 72 ), wherein said valve ( 36 ) is arranged on an angle ( 41 ) relative to said diametral axis ( 33 ).   
     
     
         2 . The compressor ( 20 ) of  claim 1  wherein:
 said valve plate ( 28 ) includes a first side ( 29 ) opposite said cylinder ( 24 ), and a second side ( 31 ) substantially parallel to said first side ( 29 ) and adjacent said cylinder ( 24 ); and 
 
     
     
         3 . The compressor ( 20 ) of  claim 2  further comprising a wall ( 60 ) operably coupled to said valve plate ( 24 ) positioned between said discharge port ( 34 ) and said suction port ( 32 ). 
     
     
         4 . The compressor ( 20 ) of  claim 3  wherein said discharge port ( 34 ) is positioned on said diametral axis ( 33 ); 
     
     
         5 . The compressor ( 20 ) of  claim 4  wherein said wall ( 60 ) is arranged substantially perpendicular to said diametral axis ( 33 ). 
     
     
         6 . The compressor ( 80 ) of  claim 3  wherein a center of said discharge port ( 102 ) is offset from said diametral axis ( 84 ). 
     
     
         7 . The compressor ( 120 ) of  claim 6  wherein said wall ( 134 ) is arranged substantially perpendicular to an axis ( 156 ) defined between a center of said suction port ( 148 ) and said center of said discharge port ( 158 ). 
     
     
         8 . A compressor ( 20 ) comprising:
 a cylinder ( 24 ) having a diametral axis ( 33 );   a valve plate ( 28 ) having a suction port ( 32 ) positioned on said diametral axis ( 33 ) and a discharge port ( 34 );   a valve ( 36 ) having a body ( 38 ) with a first end ( 44 ) coupled to said valve plate ( 28 ) and a second end ( 46 ) arranged adjacent said suction port ( 32 ), wherein said valve ( 36 ) is arranged on an angle ( 41 ) to said diametral axis ( 33 ).   
     
     
         9 . The compressor ( 20 ) of  claim 8  further comprising:
 a crankcase ( 90 ), wherein said cylinder ( 91 ) is arranged in said crankcase ( 90 ); 
 a housing ( 62 ) coupled to said crankcase ( 90 ) opposite said valve plate ( 28 ), said housing ( 62 ) having a wall ( 104 ) separating a suction plenum ( 64 ) and a discharge plenum ( 66 ), wherein said suction port ( 82 ) is in fluid communication with said suction plenum ( 64 ) and said discharge port ( 102 ) is in fluid communication with said discharge plenum ( 66 ); 
 wherein said valve is a reed valve; and, 
 wherein said discharge port ( 102 ) is offset from said diametral axis ( 84 ). 
 
     
     
         10 . The compressor ( 20 ) of  claim 9  wherein said wall ( 134 ) is substantially perpendicular to an axis ( 156 ) between a center of said discharge port ( 158 ) and a center of said suction port ( 148 ). 
     
     
         11 . The compressor ( 20 ) of  claim 10  wherein said crankcase ( 22 ) further includes a first relief ( 52 ) on an edge of said cylinder ( 24 ) adjacent said first end ( 44 ). 
     
     
         12 . The compressor ( 20 ) of  claim 11  wherein said first relief ( 52 ) is a chamfer. 
     
     
         13 . The compressor ( 20 ) of  claim 11  wherein said crankcase ( 22 ) includes a recess ( 48 ) having a second relief ( 54 ) adjacent said cylinder ( 24 ), wherein said valve second end ( 46 ) is positioned inside said recess ( 48 ). 
     
     
         14 . The compressor ( 20 ) of  claim 13  wherein said second relief ( 54 ) is a chamfer. 
     
     
         15 . A piston compressor ( 20 ) having a suction plenum ( 64 ) and a discharge plenum ( 66 ) comprising:
 a cylinder ( 24 ) having a diametral axis ( 33 );   a valve plate ( 28 ) having a suction port ( 32 ) in fluid communication with said suction plenum ( 64 ), said valve plate ( 28 ) further having a discharge port ( 34 ) in fluid communication with said discharge plenum ( 66 ), wherein said suction port ( 32 ) is positioned on said diametral axis ( 33 );   a valve ( 36 ) having a body ( 38 ) arranged on an angle ( 41 ) to said diametral axis ( 33 ), said valve body ( 38 ) having a first portion ( 44 ) coupled between said crankcase ( 22 ) and said valve plate ( 28 ).   
     
     
         16 . The piston compressor ( 20 ) of  claim 15  further comprising:
 a housing ( 62 ) having a wall ( 60 ) separating said suction plenum ( 64 ) from said discharge plenum ( 66 ), wherein said wall ( 60 ) extends substantially perpendicular to an end of said housing ( 60 ); 
 a crankcase ( 22 ) coupled to said housing ( 62 ), wherein said cylinder ( 24 ) is arranged in said crankcase ( 22 ), said crankcase ( 22 ) further having a recess ( 48 ) adjacent said cylinder ( 24 ); and, 
 wherein said discharge port ( 102 ) is offset from said diametral axis ( 84 ). 
 
     
     
         17 . The piston compressor ( 20 ) of  claim 16  wherein said wall ( 134 ) is substantially perpendicular to an axis ( 156 ) defined between a center of said suction port ( 148 ) and a center of said discharge port ( 158 ). 
     
     
         18 . The piston compressor ( 20 ) of  claim 17  wherein said crankcase ( 22 ) includes a first chamfer ( 52 ) on an edge of said cylinder ( 24 ) adjacent said reed valve body first portion ( 44 ). 
     
     
         19 . The piston compressor ( 20 ) of  claim 18  wherein said crankcase ( 22 ) includes a second chamfer ( 54 ) between said recess ( 48 ) and said cylinder ( 24 ). 
     
     
         20 . The piston compressor ( 20 ) of  claim 19  wherein said first chamfer ( 52 ) and said second chamfer ( 54 ) are arranged substantially perpendicular to a longitudinal axis ( 40 ) of said reed valve body ( 38 ).