Global Patent Index - EP 0811812 A3

EP 0811812 A3 19980520 - Viscous heater

Title (en)

Viscous heater

Title (de)

Wärmeerzeuger mit viskoser Flüssigkeit

Title (fr)

Générateur de chaleur à fluide visqueux

Publication

EP 0811812 A3 19980520 (EN)

Application

EP 97108847 A 19970603

Priority

JP 14193896 A 19960604

Abstract (en)

[origin: EP0811812A2] A viscous heater capable of obtaining a quick warming up of a heating system for a vehicle. The viscous heater is provided with a heat generating chamber 7 and a rotor 12 arranged in the heat generating chamber 7 so that a heat generating gap, for holding therein a silicone oil as a viscous fluid, is formed between an inner surface of the heat generating chamber and an outer surface of the rotor. A width of the heat generating gap has, at least at one side of the rotor, a larger value (T) at a central area of the gap over that (t) at the peripheral area of the gap. <IMAGE>

IPC 1-7

F24J 3/00

IPC 8 full level

B60H 1/08 (2006.01); F24J 3/00 (2006.01)

CPC (source: EP)

F24V 40/00 (2018.04)

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0811812 A2 19971210; EP 0811812 A3 19980520; EP 0811812 B1 20020320; DE 69711119 D1 20020425; DE 69711119 T2 20020829; JP 3458989 B2 20031020; JP H09323530 A 19971216

DOCDB simple family (application)

EP 97108847 A 19970603; DE 69711119 T 19970603; JP 14193896 A 19960604