Global patent index - EP 1083309 A2

EP 1083309 A2 2001-03-14 - Cooling circuit

Title (en)

Cooling circuit

Title (de)

Kühlkreislauf

Title (fr)

Circuit de refroidissement

Publication

EP 1083309 A2 (DE)

Application

EP 00119100 A

Priority

DE 19942726 A

Abstract (en)

The cooling circuit has a radiator connected to an engine via engine feed and outlet lines, a thermostat and a bypass valve in the outlet line and a circulating pump in the feed line. The bypass valve is integrated into the thermostat in the form of openings (20) in a working element (19) of the thermostat that is opened and closed depending on the coolant temp.

Abstract (de)

Ein Kühlkreislauf für einen Kraftfahrzeugantrieb, bei dem der Motor (1) mit mindestens einem Radiator (6) über eine Zufuhr- und eine Abfuhrleitung (3, 8) verbunden ist, weist einen Thermostat (4), ein Bypass-Ventil (5) und eine Umwälzpumpe (2) auf. Das Bypass-Ventil (4) ist direkt in den Thermostat (5) integriert und in Form von Öffnungen ausgebildet, die in dem Arbeitselement des Thermostats (4) vorgesehen sind, welches in Abhängigkeit von der Kühlmitteltemperatur den Thermostat (4) öffnet oder schließt. <IMAGE>

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

F01P 7/16

IPC 8 full level (invention and additional information)

F01P 7/16 (2006.01); F01P 3/20 (2006.01)

CPC (invention and additional information)

F01P 7/16 (2013.01); F01P 3/20 (2013.01); F01P 2060/045 (2013.01); F01P 2060/06 (2013.01); F01P 2060/08 (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 1083309 A2 20010314; EP 1083309 A3 20030102; DE 19942726 A1 20010329

INPADOC legal status

2003-11-05 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030401

2003-09-24 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

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

2003-01-02 [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

2003-01-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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

2001-03-14 [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

2001-03-14 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

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