Patent ID: 11896772
Assignee: FISHER & PAYKEL HEALTHCARE LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  H | IPC A  H

Claim 0:
1. A humidifier comprising:
a heater for heating a liquid in a reservoir that is part of or is received by the humidifier;
wherein the heater comprises an electrically conductive plastic (ECP) material and a thermoconductive layer that is non-electrically conductive at least partially covering the ECP material, the ECP material including an electrically conductive additive or a doping agent distributed therethrough or being an intrinsically conductive plastic,
wherein the thermoconductive layer is disposed between the electrically conductive plastic (ECP) material and the liquid,
wherein the thermoconductive layer comprises visually pronounced features which are observable to an unaided eye that form or function as a heat sink to improve a contact area between the thermoconductive layer and the liquid, and
wherein the thermoconductive layer is uncovered within the reservoir.