Patent · US Expired

Non-planar media transmission filter apparatus and method with tray

US7258789B2 · kind B2 · utility

5Cited by
9References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2004
Grant dateAug 21, 2007
Priority date
Expiry dateMay 28, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2201/127
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter for use in engines or transmissions is provided comprising an outlet-side cover having a first wave-like region along the periphery of the outlet-side cover, a filter media tray having a second wave-like region along the periphery of the filter media tray wherein the filter media tray second wave-like region is in a generally complementary alignment with the first wave-like region of the outlet-side cover, a filter media fixed in a non-planar configuration between the first wave-like region of the outlet-side cover and the second wave-like region of the filter media, and an inlet-side cover joined to the outlet-side cover, wherein the filter media and the filter media tray is between the inlet-side cover and the outlet-side cover.

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