Patent · US Expired

Heating arrangement

US6044829A · kind A · utility

9Cited by

3References

4Claims

0Family size

Assignee

Filterwerk Mann & Hummel GmbH · DE

Inventors

Thomas Butz · Mannheim, DE
Hans-Werner Holch · Heilbronn, DE
Heinz Mueller · Monheim, DE

Key dates

Filing date	Mar 6, 1998
Grant date	Apr 4, 2000
Priority date	—
Expiry date	Mar 6, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A heating arrangement, particularly for preventing freezing of pipes for delivering crankcase gas from the crankcase of an internal combustion engine to the air intake, in which a valve (12, 18) is provided which includes at least one metal plate, and a PTC thermistor (20) or a resistance heater is disposed on the metal plate.

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