A slip ring end frame, comprising:
- an inner cylindrical side wall disposed vertically from an inside floor;
- the inside floor having a rotor shaft guide bore disposed around an axial center of the SRE frame;
- the inner cylindrical side wall having a top inner diameter circumferential edge point defining an inside frame ITDC at an angle of 0° along a circumference of the SRE frame and a bottom inner diameter circumferential edge point defining an inside frame IBDC at an angle of 180° along a circumference of the SRE frame, the edge points being disposed at opposing ends of a line traveling between them and through a radial center of the rotor shaft guide bore;
- a first flattened frame mounting bore well disposed on the inner cylindrical side wall at approximately −45° from the inside frame ITDC;
- a second flattened frame mounting bore well disposed on the inner cylindrical side wall at approximately +45° from the inside frame ITDC;
- a first rectifier heat sink mounting hole disposed on the inside floor proximate to the inner cylindrical side wall at approximately −32° from the inside frame ITDC;
- a second rectifier heat sink mounting hole disposed on the inside floor proximate to the inner cylindrical side wall at approximately +32° from the inside frame ITDC;
- a circular cooling bore disposed on the inside floor at approximately +70° from the inside frame ITDC and displaced radially inward along the inside floor so that a radial center of the cooling bore lines up proximate to a lower right hand side of a positive heat sink on a rectifier assembly when the rectifier assembly is mounted in the SRE frame;
- a cylindrical bearing wall rising from a surface opposing the inside floor, and disposed around the periphery of the rotor shaft guide bore;
- the bearing wall having a plurality of bearing wall support trusses extending radially from the bearing wall;
- a first of the support trusses has a first radial disposition at a first angular displacement from an outside frame ITDC;
- a second of the support trusses has a second radial disposition at a second angular displacement from the outside frame ITDC;
- a third of the support trusses has a third radial disposition at a third angular displacement from the outside frame ITDC;
- a battery post aperture is disposed on the surface opposing the inside floor at a fourth angular displacement from the outside frame ITDC, and is displaced radially inward approximately equidistant from the first support truss and an inner diameter of an outside circumferential wall;
- a wide cooling aperture having a perimeter defined by vertical wall boundaries of the first and second support trusses;
- the wide cooling aperture perimeter also being defined by a clearance allowance for the bearing wall, a clearance allowance for the battery post aperture, clearance allowances for the first and second rectifier heat sink mounting holes, and a clearance allowance for a guide slot proximate to the ITDC;
- and,
- wherein the SRE frame is capable of being integrated with additional off the shelf small frame high output alternator components to provide a robust, durable and highly reliable alternator.