Patent · US Expired

Device ensuring filtration and communication between the atmosphere and the inside of a crankcase

US5205848A · kind A · utility

38Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 27, 1992
Grant dateApr 27, 1993
Priority date
Expiry dateMar 27, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01M11/0004
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Device ensuring filtration and communication between the atmosphere and a crankcase with oil sump, of the type comprising a housing provided with vents and containing a filter cartridge which defines a volume which communicates, on the one hand, with the outside through a filtering agent, and on the other hand, with the housing, through a vertical passage. The device further comprises internal means for recovering and recycling the oil from the filter medium as well as internal means for placing the housing in direct communication with the atmosphere in case of clogging-up of the filtering agent.

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