Patent · US Expired

Liquid filter/heat exchanger unit

US6994784B2 · kind B2 · utility

21Cited by
9References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 2003
Grant dateFeb 7, 2006
Priority date
Expiry dateSep 26, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/17
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of the filter element. A switching element is provided to control the liquid flow into the heat exchanger or into the bypass. The switching element is a bimetal element which is in a position directing the liquid flow into the bypass at a temperature below a switching temperature.

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