Abstract: A visual inertial measurement unit includes: a housing; a computing module associated with the housing and including a central processing unit; a camera module associated with the housing, the camera module including a camera lens and a camera sensor, the camera module in electronic communication with the computing module; an inertial measurement unit module associated with the housing, the inertial measurement unit module including at least one inertial sensor, the inertial measurement unit module in electronic communication with the computing module; and an interface module including one or more output interfaces, the interface module in electronic communication with the computing module. The computing module receives camera data from the camera module and motion data from the inertial measurement unit data. The computing module generates output data, the output data including synchronized camera and motion data.

Abstract: Provided are a micro valve device and a valve body assembly. The micro valve device comprises at least two control ports (402, 404) and at least two movable members (302), wherein the at least two movable members (302) respectively control each of the at least two control ports (402, 404) to realize that opening and closing of the control ports (402, 404) are independently controlled, so that the at least two control ports (402, 404) can output fluids with the same or different flow rate(s) or pressure(s). The valve body assembly comprises the micro valve device.

Abstract: A microvalve device and fluid flow control method, the microvalve device comprising: a microvalve body, the microvalve body being composed of multiple layers and comprising a first layer (1) and a second layer (2) bonded with the first layer (1), the second layer (2) having a plurality of fluid ports (7, 8, 9); a cavity (6) disposed between the first layer and the second layer; a plurality of actuators (3, 4, 5) respectively disposed corresponding to each fluid port, the plurality of actuators (3, 4, 5) controlling the opening and closing of the plurality of fluid ports (7, 8, 9). The fluid flow control method comprising: respectively employing a plurality of actuators to independently control the opening and closing of a plurality of fluid ports.

Abstract: Provided are a micro valve device and a valve body assembly. The micro valve device comprises at least two control ports (402, 404) and at least two movable members (302), wherein the at least two movable members (302) respectively control each of the at least two control ports (402, 404) to realize that opening and closing of the control ports (402, 404) are independently controlled, so that the at least two control ports (402, 404) can output fluids with the same or different flow rate(s) or pressure(s). The valve body assembly comprises the micro valve device.

Abstract: A microvalve device and a manufacturing method therefore are disclosed. The microvalve device includes a body, including a first layer (7) and at least a second layer (8) forming a chamber (8) with the first layer (7), wherein the first layer (7) is provided with at least two fluid ports (4, 5, 6) in fluid communication with the chamber (9); and piezoelectric actuators (1, 2, 3) corresponding to predetermined fluid ports (4, 5, 6), wherein the piezoelectric actuators (1, 2, 3) are arranged in the chamber (9) and strain extending and retracting directions of the piezoelectric actuators are parallel to the first layer (7), wherein free ends of the piezoelectric actuators (1, 2, 3) in the strain extending and retracting directions are used for shielding the fluid ports (4, 5, 6) so as to control opening/closing states of the fluid ports (4, 5, 6).

Abstract: A microvalve device and fluid flow control method, the microvalve device comprising: a microvalve body, the microvalve body being composed of multiple layers and comprising a first layer (1) and a second layer (2) bonded with the first layer (1), the second layer (2) having a plurality of fluid ports (7, 8, 9); a cavity (6) disposed between the first layer and the second layer; a plurality of actuators (3, 4, 5) respectively disposed corresponding to each fluid port, the plurality of actuators (3, 4, 5) controlling the opening and closing of the plurality of fluid ports (7, 8, 9). The fluid flow control method comprising: respectively employing a plurality of actuators to independently control the opening and closing of a plurality of fluid ports.