Patent ID: 9616972
Date: 2017-04-11
CPC Classifications: B63B

Claim:
1. A hydrofoil apparatus, comprising: a) strut-braced wing assemblies, the strut-braced wing assemblies each comprising a bearing, at least one inclined tube, at least one inclined flow-guiding wing, and at least one stop dog; b) a horizontal wing assembly, the horizontal wing assembly comprising a horizontal tube, at least one horizontal flow-guiding wing, and at least one depth-locating wing; c) connection plates; and d) attack angle adjusting plates, the attack angle adjusting plates each comprising an angle adjusting end plate having a hole; wherein: the strut-braced wing assemblies are symmetrically disposed at two sides of the horizontal wing assembly; the bearing is fixed on a vessel body by welding; the at least one inclined flow-guiding wing is sleeved on the at least one inclined tube, and the at least one stop dog is disposed on the at least one inclined tube; wherein the at least one stop dog protrudes from the at least one inclined tube and is adapted to block the at least one inclined flow-guiding wing; the at least one inclined tube comprises a first ear plate, and the first ear plate is connected to the bearing via an anchor shackle and an anchor swivel; a lower end of the at least one inclined tube is connected to the horizontal wing assembly via the connection plates and the attack angle adjusting plates; the at least one horizontal flow-guiding wing and at least one depth-locating wing are sleeved on the horizontal tube; the attack angle adjusting plates is disposed at two ends of the horizontal tube, respectively; an angle adjustment bolt is inserted into the hole of the angle adjusting end plate and is fixed by an angle adjustment nut; and the angle adjustment bolt is adapted to adjust an attack angle of the at least one depth-locating wing.