Patent · US Expired

Air cleaner with a secondary intake

US6726742B2 · kind B2 · utility

13Cited by
24References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 10, 2001
Grant dateApr 27, 2004
Priority date
Expiry dateNov 9, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7749
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An air cleaner intake door is provided. An air cleaner with at least one sidewall and an opening defined in the sidewall has a door mounted over the opening. The door is rotationally movable between an open and a closed position and a cam extends from the door. A spring is in contact with the door for biasing the door towards a closed position.

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