Patent · US Expired

Safety lock for air driven centrifuge

US4345713A · kind A · utility

4Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1981
Grant dateAug 24, 1982
Priority date
Expiry dateApr 13, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB04B7/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In accordance with the present invention, there is provided an air driven centrifuge having an access door to a rotor chamber housing a rotor seat and a rotor having a plurality of turbine flutes formed in the underside thereof. Air jet means in the rotor seat are provided for supporting and spinning the rotor on an air cushion in the chamber. Means are provided to prevent the opening of the access door when pressurized air is supplied to the air jets, and means are provided to delay for a predetermined period, the opening of the door after the supply of pressurized air to the air jets is discontinued.

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