Sealing glove for a cylinder of a compressor, compressor and cooling appliance

Abstract

A flexible sealing glove ( 100 ) applicable under radial tension to aerostatic linear compressors ( 200 ), capable of sealing the bearing channels ( 1, 2 ), which are located on the outer face ( 5 ) of the cylinder ( 14 ). The flexible sealing glove ( 100 ) is made of substantially polymeric material and its main functions are to increase the efficiency and the yield of the compressor ( 200 ).

1 .- 19 . (canceled) 
     
     
         20 . A sealing glove ( 100 ) for a cylinder ( 14 ) of an aerostatic linear compressor bearing ( 200 ), the cylinder ( 14 ) being defined by an outer surface ( 5 ) and an inner surface ( 4 ), the inner surface ( 4 ) defining a through cavity inside the cylinder ( 14 ), capable of enabling the linear movement of a piston ( 15 ) on its inside, wherein the inner surface ( 4 ) of the cylinder ( 14 ) comprises a plurality of distribution orifices ( 3 ) that communicate with the outer surface ( 5 ), the outer surface ( 5 ) comprising bearing channels ( 1 , 2 ) capable of communicating with said distribution orifices ( 3 ), wherein the glove ( 100 ) is flexible and disposed on the outer surface ( 5 ) of the cylinder ( 14 ) under radial tension, the association between the outer surface ( 5 ) and the sealing glove ( 100 ) defining bearing formation ducts ( 1 ′, 2 ′) capable of directing the bearing fluid to the distribution orifices ( 3 ), the sealing glove ( 100 ) sealing the bearing channels ( 1 , 2 ) by means of pressurizing the outer surface of the sealing glove ( 100 ). 
     
     
         21 . The sealing glove ( 100 ) as claimed in  claim 20 , wherein the bearing fluid flows over its inner surface through the bearing channels ( 1 ′, 2 ′) and acts on the interface ( 17 ) defined between the outer surface of the glove ( 100 ) and the outer block ( 13 ) constantly pressurizing the outer surface and the inner surface of the sealing glove ( 100 ). 
     
     
         22 . The sealing glove ( 100 ) as claimed in  claim 21 , wherein the pressure of the bearing fluid that acts on the outer surface of the sealing glove ( 100 ) is substantially equal to the discharge pressure of the compressor ( 200 ). 
     
     
         23 . The sealing glove ( 100 ) as claimed in  claim 22 , wherein the pressure exerted on the outer surface of the sealing glove ( 100 ) comprises a value equal to or greater than that of the pressure that acts on the inner surface of the sealing glove ( 100 ). 
     
     
         24 . The sealing glove ( 100 ) as claimed in  claim 22 , wherein the bearing fluid is the cooling fluid. 
     
     
         25 . The sealing glove ( 100 ) as claimed in  claim 24 , wherein the sealing glove ( 100 ) is made substantially of polymeric material. 
     
     
         26 . The sealing glove ( 100 ) as claimed in  claim 25 , wherein the sealing glove ( 100 ) is endowed with elastomeric properties. 
     
     
         27 . The sealing glove ( 100 ) as claimed in  claim 20 , wherein the sealing glove ( 100 ) comprises thermo-contractile material. 
     
     
         28 . An aerostatic bearing linear compressor ( 200 ) comprising a cylinder ( 14 ) defined by an outer surface ( 5 ) and an inner surface ( 4 ), the inner surface ( 4 ) defining a through cavity inside the cylinder ( 14 ) capable of enabling the linear movement of a piston ( 15 ) on its inside, and the inner surface ( 4 ) of the cylinder ( 14 ) comprises a plurality of distribution orifices ( 3 ) which communicate with the outer surface ( 5 ), the outer surface ( 5 ) comprising bearing channels ( 1 , 2 ) that communicate with said distribution orifices ( 3 ), the linear compressor ( 200 ) comprising a sealing glove ( 100 ) disposed on the outer surface ( 5 ) of the cylinder ( 14 ) under radial tension, the association between the outer surface ( 5 ) and the sealing glove ( 100 ) defining bearing formation ducts ( 1 ′, 2 ′) capable of directing the bearing fluid to the distribution orifices ( 3 ), the outer surface of the sealing glove ( 100 ) being pressurized. 
     
     
         29 . The compressor ( 200 ) as claimed in  claim 27 , wherein the bearing fluid flows over the inner surface of the sealing glove ( 100 ) through the bearing channels ( 1 ′, 2 ′) and acts on the interface ( 17 ) defined between the outer surface of the glove ( 100 ) and the outer block ( 13 ), constantly pressurizing the outer surface and the inner surface of the sealing glove ( 100 ). 
     
     
         30 . The compressor ( 200 ) as claimed in  claim 29 , wherein the pressure of the bearing fluid that acts on the outer surface of the sealing glove ( 100 ) is substantially equal to the discharge pressure of the compressor ( 200 ). 
     
     
         31 . The compressor ( 200 ) as claimed in  claim 30 , wherein the pressure exerted on the outer surface of the sealing glove ( 100 ) comprises a value equal to or greater than that of the pressure which acts on the inner surface of the sealing glove ( 100 ). 
     
     
         32 . The compressor ( 200 ) as claimed in  claim 31 , wherein the bearing fluid is the cooling fluid. 
     
     
         33 . The compressor ( 200 ) as claimed in  claim 32 , wherein the sealing glove ( 100 ) is made of polymeric material. 
     
     
         34 . The compressor ( 200 ) as claimed in  claim 33 , wherein the sealing glove ( 100 ) is endowed with elastomeric properties. 
     
     
         35 . The compressor ( 200 ) as claimed in  claim 34 , wherein the bearing formation ducts ( 1 ′, 2 ′) comprise feeder channels ( 2 ) and restriction channels ( 1 ). 
     
     
         36 . The compressor ( 200 ) as claimed in  claim 35 , wherein the restriction channels ( 1 ) are disposed radially in relation to the axial center Cr) of the compressor ( 200 ). 
     
     
         37 . The compressor ( 200 ) as claimed in  claim 36 , wherein the feeder channels ( 2 ) are disposed in parallel to the axial center (‘X’) of the compressor ( 200 ). 
     
     
         38 . A cooling appliance comprising a cylinder ( 14 ) of an aerostatic linear compressor bearing ( 200 ), the cylinder ( 14 ) being defined by an outer surface ( 5 ) and an inner surface ( 4 ), the inner surface ( 4 ) defining a through cavity inside the cylinder ( 14 ), capable of enabling the linear movement of a piston ( 15 ) on its inside, wherein the inner surface ( 4 ) of the cylinder ( 14 ) comprises a plurality of distribution orifices ( 3 ) that communicate with the outer surface ( 5 ), the outer surface ( 5 ) comprising bearing channels ( 1 , 2 ) capable of communicating with said distribution orifices ( 3 ), said cooling appliance further comprising a sealing glove ( 100 ), wherein the sealing glove ( 100 ) is flexible and disposed on the outer surface ( 5 ) of the cylinder ( 14 ) under radial tension, the association between the outer surface ( 5 ) and the sealing glove ( 100 ) defining bearing formation ducts ( 1 ′, 2 ′) capable of directing the bearing fluid to the distribution orifices ( 3 ), the sealing glove ( 100 ) sealing the bearing channels ( 1 , 2 ) by means of pressurizing the outer surface of the sealing glove ( 100 ).