Dynamic heat sink

Details Dynamic heat sink Dynamic heat sink

1989-06-20

1991-03-19

Rivell, John

Heat exchange

Agitator or impeller motor operated by exchange fluid

165 803, 165 94, 1651091, 165185, 361384, F28F 1312, F28F 700, H05K 720

Patent

active

050002546

ABSTRACT:
A dynamic heat sink having a stator incorporating a plurality of concentric annular cooling fins and a rotor having a plurality of downwardly extending wipers extending between the stator fins is disclosed. The wipers are constructed to fit closely into grooves formed between the adjacent stator cooling fins so that as the rotor spins, the wipers remove air close to the walls of the cooling fins and deter the development of boundary layer air to thereby enhance heat transfer to the cooling fluid. The wipers serve to move the heated air out of the grooves between the stator fins and upwardly into the free stream of cooling air for removal.

REFERENCES:
patent: 3844341 (1974-10-01), Bimshas, Jr. et al.
patent: 4144932 (1979-03-01), Voigt
patent: 4163474 (1979-08-01), MacDonald et al.
patent: 4296455 (1981-10-01), Leaycraft et al.
patent: 4327398 (1982-04-01), Christison
patent: 4450896 (1984-05-01), Opitz et al.
patent: 4832114 (1989-05-01), Yeh
patent: 4852642 (1989-08-01), Lee

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