Patent · US Expired

Suction air filter

US5582146A · kind A · utility

71Cited by

4References

17Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Peter Linsbauer · Winnenden, DE
Karl-Heinz Klopfer · Winnenden, DE

Key dates

Filing date	Aug 4, 1995
Grant date	Dec 10, 1996
Priority date	—
Expiry date	Aug 4, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S55/28
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A suction air filter for an internal combustion engine of a hand-held working tool has a housing having an inlet opening for air sucked in and an outlet opening for the clean air exiting the suction air filter and supplied as combustion air to a suction channel of the internal combustion engine. The housing includes a plurality of filter chambers arranged in series one after another in a direction of air flow from the inlet opening to the outlet opening. Each one of the filter chambers has at least one filter body positioned therein through which filter body the air flows.

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