Patent · US Active

Flat gasket with calendered sieve layer

US9518659B2 · kind B2 · utility

1Cited by
4References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 2012
Grant dateDec 13, 2016
Priority date
Expiry dateOct 5, 2033

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/0825
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to a flat gasket with filter elements. In order to fulfill the increased requirements with respect to cleanliness, there is an increased demand for the integration of filter elements in flat gaskets. The corresponding filter elements mainly serve for picking of impurities accrued during production as well as other residues circulate via the operational fluids, especially during the initial period of operation of an internal combustion engine or a vehicle.

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