| 摘要 |
An improved system for lubricating the gears and bearings in a vehicle transmission is provided including an improved gerotor pump mounted on the interior of the transmission housing. The gerotor pump includes an inner pump element and an outer pump element. One end of the outer element is provided with a radially inwardly extending portion which extends over the end of the inner element. This end of the outer element also includes a radially outwardly extending toothed portion which meshes with and is driven by one of the countershaft gears of the transmission. The inner and outer elements are both piloted on a flanged nut and pilot pin assembly which is secured to an interior wall of the transmission housing by a threaded stud. The gerotor pump of the invention thus eliminates the need for a pump housing and permits the use of a higher displacement set of gerotor elements in a given amount of space. In addition, by driving the outer element rather than the inner element, a higher pump speed and increased pump flow are achieved. |
