Abstract: The disclosed portable self-powered flow measuring device has a non-metallic housing through which a fluid flows. An annular turbine spins within the housing, and has a set of inwardly-extending vanes set to reduce the pressure of the flowing fluid by more than 10%. A set of magnets that are spaced circumferentially about the turbine. Coils are mounted to the housing with axes that are radial to the axis of the central waterway. A set of circumferentially spaced reinforcing arms, one for each coil, are positioned outside the coils, the circumferential width of each reinforcing arm near the axial position of the turbine being no more than the radius of the coil.
Type:
Grant
Filed:
April 10, 2020
Date of Patent:
March 19, 2024
Assignee:
TASK FORCE TIPS, LLC
Inventors:
Travis Bavar, Ryan Smaga, Robert W. Steingass, Kent Kekeis
Abstract: A new firefighting nozzle has a series of moveable vanes that extend inwardly from a peripheral wall of a base. The inner side of the vanes extends between ? and ? of the diameter of the central channel. The vanes rotate between a linear position, in which the vanes are generally parallel to the direction of the channel, and a vortex position, in which the vanes are significantly angled with respect to the direction of the channel. In the linear position, smooth bore linear flow is produced. In the vortex position, any of a range of fog patterns are produced. An externally mounted controller connects to the vanes and enables a firefighter to change the shape of the nozzle's spray without interrupting the flow. The controller and base have a series of pins that slide in a spiral groove and cause the shaper to move axially with respect to the base when the shaper is rotated about the base. Radial stems that ride in a circumferential slot translate that axial movement into rotation of the vanes.
Type:
Grant
Filed:
October 6, 2016
Date of Patent:
December 31, 2019
Assignee:
TASK FORCE TIPS LLC
Inventors:
Robert W. Steingass, William D. Walker, Erin L. Roark, John L. Christos, Kimberly A. Hale, Stewart McMillan