Other

Chris Burns

William R Mark

Gregory F Johnson

A secondary electric power system and method of operation are disclosed. The system contains a grid having an array of turbines by which pressurized fluid is used to generate electricity to power a residential, commercial, agricultural or industrial structure. The secondary system may be a backup power source to the structure when a primary source is temporarily unavailable or may be a primary source in some circumstances. The method pumps fluid from a first pressure to a second pressure and exposes the fluid to a grid of turbine driven generators, the pressure is reduced across the grid to a third pressure that is less than the second. Additionally embodiments of the system are integrated into and incorporate components of other building utilities, e.g. water, sewer and fire control.

Secondary electric power system and method

A system and method provide for determining in a computer system the intersections between a plurality of rays residing in three dimensional (3D) space and one or more surface elements residing in the 3D space. The rays or lines corresponding to the rays share a common intersection point. The method includes for each of the rays, storing the intersection point of the ray with a projection surface in the 3D space in a data structure in the computer system. For each of the surface elements, determining using projection a two-dimensional (2D) region representing the projection of the surface element onto the projection surface; and determining using intersection testing which points stored in the data structure are inside the 2D region. The points determined to be inside the 2D region represent intersection points between the surface element and the rays corresponding to the points.

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Abington, MD, United States of America

Chris Burns