LOUIS ANGELO GUZZI
Engineers in Johnstown, PA
License number
Pennsylvania PE009304E
Category
Engineers
Type
Professional Engineer
Address
Address
Johnstown, PA 15905
Professional information
Method And Apparatus For Preventing Ice Formation At The Entrance Portal Of A Mine
US Patent:
4249462, Feb 10, 1981
Filed:
Nov 15, 1978
Appl. No.:
5/960823
Inventors:
Louis A. Guzzi - Johnstown PA
International Classification:
E21F 100
US Classification:
98 50
Abstract:
To prevent the formation of ice at the inlet portal of a mine and to heat air during the winter season, air is heated and forced into the mine shaft near the entrance portal at a pressure greater than atmospheric.