Patent · US Active

Filter cartridge retention to nutplate

US8083074B2 · kind B2 · utility

5Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2008
Grant dateDec 27, 2011
Priority date
Expiry dateApr 17, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M37/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter assembly where the filter cartridge is secured to the nutplate and a seal is provided between the filter cartridge and the nutplate. The sealing relationship between the filter cartridge and the nutplate is maintained during use of the filter assembly without using a spring engaged with the filter cartridge that biases the filter cartridge into engagement with the nutplate.

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