Patent ID: 7861539
Filing Date: 2011-01-04
Classification: F04D

Abstract:
1. A cooling fan with thermostatic air output comprising: a fan body has a wind outlet disposed at its front side and a wind inlet disposed at its rear side respectively so that both the wind outlet and the wind inlet face each other correspondingly as well as has a water cistern disposed at its top portion and a water reservoir disposed at its bottom portion respectively so that said water cistern contains a first water cistern and a second water cistern therein, wherein said first water cistern has a recycling pipe and a water outlet pipe disposed respectively at the underside thereof downwardly up to connect with the water reservoir; a Thermoelectric Cooling Modules (TECM) straddling over said first water cistern and said second water cistern and being controlled by a circuit unit for activation, and having one side acting as a heat sink for refrigerating function and other side acting as a heat radiator for emanating function; a first thermal conductor being disposed in said first water cistern, and having one side contacted and attached closely with one side of said Thermoelectric Cooling Modules (TECM) in parallel manner; a second thermal conductor being disposed in said second water cistern, and having one side contacted and attached closely with another side of said Thermoelectric Cooling Modules (TECM) in parallel manner; a fixing element secured in said first water cistern and having a water absorbing curtain locked in a top side thereof; an electric fan disposed between the wind outlet of said fan body and the water absorbing curtain; and a pump disposed in the water reservoir of said fan body, and connected with a free end of the water outlet pipe in said water reservoir.