Heat Pump

Abstract

A heat pump intended to operate in a space (S), includes a compressor ( 3 ), preferably located in the space (S), and a first inlet conduit ( 10 ) for supplying air/gas to the compressor ( 3 ). The heat pump also includes a Ranque generator ( 1 ), a connection conduit ( 5 ) extending between the compressor ( 3 ) and the Ranque generator ( 1 ), the connection conduit ( 5 ) transferring compressed air/gas to the Ranque generator ( 1 ), a first outlet conduit ( 7 ) for air/gas emanating from the hot side of the Ranque generator ( 1 ), the first outlet conduit ( 7 ) emerging inside the space (S) or being connected to a first heat exchanger ( 211 ) inside the space (S 2 ), and a second outlet conduit ( 9 ) for air/gas emanating from the cold side of the Ranque generator ( 1 ), the second outlet conduit ( 9 ) emerging outside the space (S).

1 . Heat pump that is intended to operate in a space (S; S 1 ; S 2 ; S 3 ; S 4 ; S 5 ), said heat pump comprising a compressor ( 3 ;  103 ;  203 ;  303 ;  403 ;  503 ) and a first inlet conduit ( 10 ;  110 ;  210 ;  310 ;  410 ;  510 ) for supplying air/gas to the compressor ( 3 ;  103 ;  203 ;  303 ;  403 ;  503 ), characterised in that the heat pump comprises a Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ), a connection conduit ( 5 ;  105 ;  205 ;  305 ;  405 ;  505 ) extending between the compressor ( 3 ;  103 ;  2203 ;  303 ;  403 ;  503 ) and the Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ) to transfer compressed air/gas to the Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ), a first outlet conduit ( 7 ;  107 ;  207 ;  307 ;  407 ;  507 ) for air/gas emanating from the hot side of the Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ), said first outlet conduit ( 7 ;  107 ;  207 ;  307 ;  407 ;  507 ) emerging inside the space (S; S 1 ; S 4 ; S 5 ) or being connected to a first heat exchanger ( 211 ;  311 ) inside the space (S 2 ; S 3 ), and a second outlet conduit for air/gas emanating from the cold side of the Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ), said second outlet conduit ( 9 ;  109 ;  209 ;  309 ;  409 ;  509 ) emerging outside the space (S; S 1 ; S 4 ; S 5 ) or being connected to a second heat exchanger ( 213 ;  313 ). 
   
   
       2 . Heat pump according to  claim 1 , characterised in that the second heat exchanger ( 213 ;  313 ) is located outside the space (S 2 ; S 3 ). 
   
   
       3 . Heat pump according to  claim 1 , characterised in that the inlet of the inlet conduit ( 10 ;  410 ;  510 ) is located in the open air outside the space (S; S 4 ; S 5 ). 
   
   
       4 . Heat pump according to  claim 1 , characterised in that the inlet of the first inlet conduit ( 110 ) is located in the open air inside the space (S 1 ). 
   
   
       5 . Heat pump according to  claim 1 , characterised in that the first inlet conduit ( 210 ;  310 ), at its end remote from the compressor ( 203 ;  303 ), is connected to the second heat exchanger ( 213 ;  313 ) outside the space (S 2 ; S 3 ). 
   
   
       6 . Heat pump according to  claim 5 , characterised in that the first inlet conduit ( 310 ) extends around the compressor ( 303 ) and the connection conduit ( 305 ), said connection conduit ( 305 ) transferring compressed air/gas to the Ranque generator ( 301 ). 
   
   
       7 . Heat pump according to  claim 5 , characterised in that a second inlet conduit ( 212 ;  312 ) that emanates from the first heat exchanger ( 211 ;  311 ) joins the first inlet conduit ( 210 ;  310 ) upstream the compressor ( 203 ;  303 ). 
   
   
       8 . Heat pump according to  claim 1 , characterised in that the compressor constitutes a worm compressor ( 3 ;  103 ;  203 ;  303 ;  403 ;  503 ). 
   
   
       9 . Heat pump according to  claim 1 , characterised in that it comprises a temperature sensor to register the temperature difference between the hot and cold side of the Ranque generator ( 1 ;  101 ;  201 ;  301 ;  401 ;  501 ), and that the heat pump also comprises means to regulate the rotational frequency of the compressor ( 3 ;  103 ,  203 ,  303 ;  403 ;  503 ) dependent on the measured temperature difference. 
   
   
       10 . Heat pump according to  claim 1 , characterised in that the space (S 4 ; S 5 ) also includes a third heat exchanger ( 415 ;  515 ) that constitutes a part of a conventional heat pump. 
   
   
       11 . Heat pump according to  claim 2 , characterised in that the inlet of the inlet conduit ( 10 ;  410 ;  510 ) is located in the open air outside the space (S; S 4 ; S 5 ). 
   
   
       12 . Heat pump according to  claim 2 , characterised in that the inlet of the inlet conduit ( 10 ;  410 ;  510 ) is located in the open air outside the space (S; S 4 ; S 5 ). 
   
   
       13 . Heat pump according to  claim 2 , characterised in that the inlet of the inlet conduit ( 10 ;  410 ;  510 ) is located in the open air outside the space (S; S 4 ; S 5 ). 
   
   
       14 . Heat pump according to  claim 13 , characterised in that the first inlet conduit ( 310 ) extends around the compressor ( 303 ) and the connection conduit ( 305 ), said connection conduit ( 305 ) transferring compressed air/gas to the Ranque generator ( 301 ). 
   
   
       15 . Heat pump according to  claim 6 , characterised in that a second inlet conduit ( 212 ;  312 ) that emanates from the first heat exchanger ( 211 ;  311 ) joins the first inlet conduit ( 210 ;  310 ) upstream the compressor ( 203 ;  303 ).