Frank Kreith
Engineers at Sierra Dr, Boulder, CO
License number
Colorado 7607
Issued Date
Apr 15, 1967
Renew Date
Jan 1, 1999
Expiration Date
Jan 1, 1999
Type
Professional Engineer
Address
Address
1485 Sierra Dr, Boulder, CO 80302
Professional information
Heat Exchange Enhancement Structure
US Patent:
4236578, Dec 2, 1980
Filed:
May 4, 1978
Appl. No.:
5/902848
Inventors:
Frank Kreith - Boulder CO
Richard C. Cornelison - Hiram OH
Richard C. Cornelison - Hiram OH
Assignee:
Condar, Co. - Hiram OH
International Classification:
F28F 120
US Classification:
165181
Abstract:
A passive heat exchange enhancement structure which operates by free convection includes a flat mounting portion having a plurality of integral fins bent outwardly from one side edge thereof. The mounting portion is securable around a stovepipe, to a flat surface or the like for transferring heat from the pipe through the fins to the surrounding air by rotation-enhanced free convection.