Henry C Bramer

US Patent:

43158951, Feb 16, 1982

Filed:

Dec 3, 1976

Appl. No.:

5/747225

Inventors:

Henry C. Bramer - Venetia PA
Edward Shapiro - Pittsburg PA

Assignee:

Pittsburgh Environmental and Energy Systems, Inc. - Pleasantville PA

International Classification:

F01N 328

US Classification:

422171

Abstract:

A process and apparatus are provided whereby sulfur and nitrogen oxides as well as carbon monoxides and unburned hydrocarbons are removed from internal combustion engine exhaust gases. The gases are passed through a chamber containing a sulfide and an oxide of iron, copper or zinc. The system is partially self-regenerating and can be used in conjunction with present catalytic converter units or in lieu thereof. In certain embodiments the present invention can also replace muffler units in exhaust systems.

US Patent:

40411281, Aug 9, 1977

Filed:

Aug 18, 1975

Appl. No.:

5/605558

Inventors:

Henry C. Bramer - Venetia PA
Edward Shapiro - Pittsburgh PA

Assignee:

Pittsburgh Environmental and Energy Systems, Inc. - Pleasant Hills PA

International Classification:

B01D 5334

US Classification:

4232132

Abstract:

A process and apparatus are provided whereby sulfur and nitrogen oxides as well as carbon monoxides and unburned hydrocarbons are removed from internal combustion engine exhaust gases. The gases are passed through a chamber containing a sulfide and an oxide of iron, copper or zinc. The system is partially self-regenerating and can be used in conjunction with present catalytic converter units or in lieu thereof. In certain embodiments the present invention can also replace muffler units in exhaust systems.