US 12,203,477 B1
Electrical fan having various supplies of electricity
Yi-Te Chen, Taoyuan (TW)
Filed by Yi-Te Chen, Taoyuan (TW)
Filed on Jun. 29, 2023, as Appl. No. 18/344,798.
Int. Cl. F04D 25/06 (2006.01); A42B 1/008 (2021.01); A42B 3/28 (2006.01); F04D 13/06 (2006.01); F04D 19/00 (2006.01); F04D 25/08 (2006.01); F04D 29/42 (2006.01); F04D 29/52 (2006.01); F04D 29/60 (2006.01); F04D 29/64 (2006.01); H02J 7/00 (2006.01); H05K 7/14 (2006.01)
CPC F04D 25/0673 (2013.01) [A42B 1/008 (2013.01); A42B 3/286 (2013.01); F04D 13/068 (2013.01); F04D 19/002 (2013.01); F04D 25/08 (2013.01); F04D 25/084 (2013.01); F04D 29/4226 (2013.01); F04D 29/522 (2013.01); F04D 29/601 (2013.01); F04D 29/646 (2013.01); H02J 7/0063 (2013.01); H05K 7/1427 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An electrical fan having various supplies of electricity, comprising:
a housing;
a motor, which is fixed in an interior of the housing to generate rotating power;
an impeller, which is located in the interior of the housing and is connected to the motor to be driven by the motor to rotate;
a circuit board, which is arranged in the interior of the housing and is electrically connected with the motor, and comprises a boost circuit;
an electricity supply hole, which is arranged on the housing and is electrically connected with the circuit board to provide a USB-C power supply that is provided from outside;
a dry battery box, which is arranged in the housing and is electrically connected with the circuit board to accommodate therein a plurality of dry batteries that provide a 9V dry-battery power supply; and
a control switch, which is arranged on the housing to serve as a user control interface;
wherein a sequence of priority of supply from the circuit board to the motor is that the USB-C power supply has priority over the 9V dry-battery power supply, and electrical power supplied from the USB-C power supply is first subjected to voltage boosting by means of the boost circuit.