Patent · US Expired

Modular filter fan unit

US6050774A · kind A · utility

29Cited by
16References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 14, 1998
Grant dateApr 18, 2000
Priority date
Expiry dateOct 14, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2279/51
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A modular fan filter unit designed to supply process control air to mini-enclosure clean rooms. The modular fan filter unit is easy to remove, repair, and replace in the clean room environment. It has a readily accessible filter mounted across its bottom surface and an internal variable frequency drive fan. The fan pushes air through the filter into a clean room. Multiple numbers of modular fan filter units may be connected together as an array.

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