Global Patent Index - EP 1162414 A1

EP 1162414 A1 2001-12-12 - REFRIGERANT SUPERCOOLING CIRCUIT

Title (en)

REFRIGERANT SUPERCOOLING CIRCUIT

Title (de)

KREISLAUF MIT KÄLTEMITTELUNTERKÜHLUNG

Title (fr)

CIRCUIT DE REFROIDISSEMENT A REFRIGERANT

Publication

EP 1162414 A1 (EN)

Application

EP 99937013 A

Priority

  • JP 9904326 W
  • JP 3874699 A
  • JP 8645399 A
  • JP 8645499 A
  • JP 11493699 A

Abstract (en)

A refrigerant supercooling circuit comprising a receiver (5) for retention of a liquid-phase refrigerant installed in a refrigerant line (23) connecting a first expansion valve (45) and a plurality of second expansion valves (71), an extraction line (61) for taking out the liquid-phase refrigerant in the receiver (5), a third expansion valve (62) in the extraction line, the portion of the extraction line (61) downstream of the third expansion valve (62) being passed through the receiver (5) or through a supercooling tank (63), the arrangement being such that the degree of opening of the first expansion valve (45) is controlled either according to the refrigerant pressure (P1) on a refrigerant line (21) connecting the delivery side of a compressor (2) and a four-way valve (3), or according to the degree of supercooling (SC) in the outlet of an outdoor heat exchanger (4), or according to the pressure difference across the first expansion valve (45). <IMAGE>

IPC 1-7 (main, further and additional classification)

F25B 13/00; F25B 1/00; F25B 5/00

IPC 8 full level (invention and additional information)

F25B 13/00 (2006.01); F25B 5/02 (2006.01); F25B 27/00 (2006.01); F25B 40/02 (2006.01)

CPC (invention and additional information)

F25B 13/00 (2013.01); F25B 5/02 (2013.01); F25B 27/00 (2013.01); F25B 40/02 (2013.01); F25B 2313/023 (2013.01); F25B 2313/025 (2013.01); F25B 2313/0311 (2013.01); F25B 2313/0313 (2013.01); F25B 2313/0315 (2013.01); F25B 2341/066 (2013.01); F25B 2400/075 (2013.01); F25B 2400/13 (2013.01); F25B 2400/16 (2013.01); F25B 2700/193 (2013.01); F25B 2700/2115 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0049346 A1 20000824; AT 329213 T 20060615; DE 69931816 D1 20060720; EP 1162414 A1 20011212; EP 1162414 A4 20021002; EP 1162414 B1 20060607; ES 2265187 T3 20070201; PT 1162414 E 20060929

INPADOC legal status


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2006-03-29 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION

- Owner name: YANMAR CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: FUKUDOME, JIROUYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: MINAMI, KEN-ICHIYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: INOUE, MASAKIYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: IMURA, TAKEOYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: OTA, YOSHIKAZUYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: INAYOSHI, KAZUTOSHIYANMAR DIESEL ENGINE CO., LTD.

2006-03-15 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: SUGIMORI, KEIJIYANMAR DIESEL ENGINE CO., LTD.

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