Global patent index - EP 1001230 A2

EP 1001230 A2 2000-05-17 - Air conditioning systems

Title (en)

Air conditioning systems

Title (de)

Klimaanlagen

Title (fr)

Systèmes de conditionnement d'air

Publication

EP 1001230 A2 (EN)

Application

EP 99121394 A

Priority

JP 32390098 A

Abstract (en)

The air conditioning system 100 may include a compressor 101, a heating circuit 152, and a refrigerant releaser 181. The compressor 101 may have a suction port 115 for drawing refrigerant and a discharge port for 120 discharging compressed refrigerant. The heating circuit 152 has a passage 152a that extends from the discharge port 120 to the suction port 115 though a heat exchanger 159. The refrigerant releaser 181 may release the refrigerant from the discharge port 120 to the suction port 115 when the discharge pressure Pd of the refrigerant results a predetermined high-pressure state during the operation of the heating circuit 152. The air conditioning system 100 can solve a problem of insufficient heating performance due to releasing the refrigerant in the heating circuit into the cooling circuit to alleviate the abnormally high-pressure state during operation of the heating circuit. <IMAGE>

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

F25B 49/02; B60H 1/00; F04B 27/18; F25B 41/04

IPC 8 full level (invention and additional information)

B60H 1/22 (2006.01); B60H 1/32 (2006.01); F04B 27/18 (2006.01); F25B 1/00 (2006.01); F25B 41/04 (2006.01)

CPC (invention and additional information)

F04B 27/1804 (2013.01); F25B 41/04 (2013.01); F04B 2027/1813 (2013.01); F04B 2027/1827 (2013.01); F04B 2027/1854 (2013.01); F04B 2027/1872 (2013.01); F04B 2201/12041 (2013.01); F04B 2205/15 (2013.01); F25B 2400/0403 (2013.01); F25B 2400/0411 (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

EP 1001230 A2 20000517; JP 2000146312 A 20000526

INPADOC legal status

2001-07-18 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20010525

2000-05-17 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991027

2000-05-17 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-05-17 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI