Patent ID: 7246529
Filing Date: 2007-07-24
Classification: B64C,Y02T

Abstract:
1. An actuator for displacing a fluid to alter flow characteristics near a surface, comprising: a vane configured to displace the fluid, the vane having a first face and a second face; a casing configured to at least partially surround the vane, the casing having a first side toward the first face of the vane and a second side toward the second face of the vane; a first orifice that opens into the casing from the first side of the casing; and a second orifice that opens into the casing from the second side of the casing, wherein the fluid is expelled from the first orifice and drawn into the second orifice in response to the vane moving toward the first side of the casing, and the fluid is drawn into the first orifice and expelled from the second orifice in response to the vane moving toward the second side of the casing.