Hydraulic pump apparatus
US6997099B1 · kind B1 · utility
1Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2004 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Dec 3, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2253/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A valve plate subjected to a nitrocarburization heat treatment process for use in a hydraulic pump, wherein the hydraulic pump includes a sump having a rotatable cylinder block located therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.