Patent ID: 8590288
Filing Date: 2013-11-26
Classification: B64C

Abstract:
1. A fan control apparatus comprising: a fan that is rotary driven by being supplied with a fluid and generates a propulsion force of a flying object; two or more fluid supply systems having two or more fluid supply units that supply the fluid for driving the fan, and two or more fluid paths which connect the fluid supply units to the fan and through which the fluid can flow, each of the two or more fluid supply units including an engine having a compressor; and a control unit that controls a flow rate of the fluid flowing in each of the fluid paths, wherein the control unit maintains the flow rate in a normally functioning fluid supply system and then increases the flow rate when any of the fluid supply systems does not function normally; wherein in the normally functioning fluid supply system, a control valve of each fluid path and each fluid supply unit is capable of supplying the fluid at a necessary flow rate to the fan; wherein when the control unit detects that a control valve of a fluid path of the two or more fluid paths has been stopped and where each of the two or more fluid supply units has not failed, the control unit increases the flow rate of the fluid path that functions normally; and wherein when the control unit detects that a control valve of a fluid path of the two or more fluid paths has been stopped and where one fluid supply unit of the two or more fluid supply units has failed, and after the fluid supply unit that functions normally has assumed a state in which the fluid can be supplied at the increased flow rate, the control unit increases the flow rate of the fluid path that functions normally.