Refrigeration – Gas controller or director – Gas forcing means – e.g. – cooler unit
Patent
1989-08-21
1990-12-11
Tapolcai, William E.
Refrigeration
Gas controller or director
Gas forcing means, e.g., cooler unit
62507, 98 402, F25D 1706
Patent
active
049761153
ABSTRACT:
An outdoor grill assembly for use in conjuction with an axial fan is disclosed. The assembly has cambered grill elements which increase the fan efficiency and lower the noise level associated with the fan. A grill having mirror image sections of cambered elements also controls recirculation of air from the discharge to the inlet.
REFERENCES:
patent: 1753944 (1930-04-01), Replogle
patent: 1883607 (1932-10-01), Dennedy
patent: 2560802 (1951-07-01), Lambert
patent: 2654227 (1953-10-01), Muffly
patent: 2920464 (1960-01-01), Trask
patent: 3299650 (1967-01-01), Kramer
Carrier Corporation
Kelly Robert H.
Tapolcai William E.
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