Patent · US Expired

Flow heater

US6093909A · kind A · utility

18Cited by

7References

20Claims

0Family size

Assignee

David & Baader - DBK - Spezialfabrik elektischer Apparate und Heizwiderstande GmbH CNT DEX COD 03 · DE

Inventors

Klaus Beetz · Karlsruhe, DE
Franz Bohlender · Kandel, DE

Key dates

Filing date	Aug 14, 1998
Grant date	Jul 25, 2000
Priority date	—
Expiry date	Aug 14, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH05B2203/02
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

The invention relates to a flow heater for heating liquid in a closed cycle in a motor vehicle. The flow heater comprises at least one radiator with at least one channel, through which the liquid to be heated flows, ant at least one PTC-heating element for heating the closely adjacent radiator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.