Patent · US Active

Filter head

US8029672B2 · kind B2 · utility

3Cited by

11References

8Claims

0Family size

Assignee

MTU FRIEDRICHSHAFEN GMBH · DE

Inventors

Hermann Baumann · Tettnang, DE
Walter Gauss · Cologne, DE

Key dates

Filing date	Jun 21, 2007
Grant date	Oct 4, 2011
Priority date	—
Expiry date	Apr 21, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86863
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter head, designed to hold at least two filter elements. The filter head having a housing, into which feed channels to, and return channels from, the filter elements are integrated. A rotatable switching drum is provided for selectively opening or closing the channels to control the flow of fluid to the filter elements. The filter head has a cover, which closes off the housing, and a spring element, which produces an axial force which presses one of the sealing surfaces of the switching drum against the cover and the other sealing surface of the switching drum against the housing.

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