Global Patent Index - EP 0793006 B1

EP 0793006 B1 2002-09-18 - Cooling circuit of an internal combustion engine

Title (en)

Cooling circuit of an internal combustion engine

Title (de)

Kühlkreislauf einer Brennkraftmaschine

Title (fr)

Circuit de refroidissement d'un moteur à combustion interne

Publication

EP 0793006 B1 (DE)

Application

EP 96119729 A

Priority

DE 19607638 A

Abstract (en)

[origin: DE19607638C1] In the coolant circuit of an internal combustion engine, the venting (15,16) is fitted with a barrier valve (17), to block the passage to the equalising reservoir (12). The barrier valve may be operated according to the coolant temperature, and the pressure in the equalising reservoir. The barrier valve may be arranged in the equalising reservoir and have valve members (25;45,46) that operate through the pressure stemming from the equalising reservoir's position unit (25;46). The valve member (25) may be built as a pressure-discharge piston and connected to a pressure-discharge membrane (45).

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

F01P 11/02

IPC 8 full level (invention and additional information)

F01P 3/20 (2006.01); F01P 7/16 (2006.01); F01P 11/00 (2006.01); F01P 11/02 (2006.01); F16K 17/06 (2006.01); F01P 7/14 (2006.01)

CPC (invention and additional information)

F01P 11/029 (2013.01); F01P 11/02 (2013.01); F01P 2007/146 (2013.01); F01P 2037/02 (2013.01); F01P 2060/08 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family

DE 19607638 C1 19970619; CN 1160123 A 19970924; EP 0793006 A1 19970903; EP 0793006 B1 20020918; JP H09329021 A 19971222; KR 100381353 B1 20030722; US 5836269 A 19981117