Axle assembly with lubrication pump
US11047470B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2020 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Feb 20, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H57/045
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An axle assembly including a lubrication pump operably configured to distribute lubricating fluid within the axle assembly. The lubrication pump includes a fluid inlet port, a fluid outlet port, an air inlet port, and an air outlet valve; a pump housing interposed between the first end and the second end; a piston reservoir disposed in the pump housing, wherein the piston reservoir has a first side and a second side, wherein the second side is in fluid communication with the air inlet port; a piston disposed in the piston reservoir between the first side and the second side; a first check valve housed within the inlet port; a second check valve housed within the outlet port; and one or more biasing members interposed between the piston and the fluid inlet port and the fluid outlet port in the first side of the piston reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.