Center section and running components for hydrostatic unit and method of manufacture
US6880449B1 · kind B1 · utility
2Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2002 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Nov 6, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H39/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hydrostatic unit comprising a surface coating on a running surface. A center section or valve plate for use in a hydrostatic transmission is improved through application of the surface coating on one or both of its pump running surface and motor running surface. The end cap for a hydrostatic pump is improved in a like manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.