Single-piece electro-polished air cylinder for a fluid coupling device
US7137333B2 · kind B2 · utility
0Cited by
19References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Feb 4, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J10/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
One advantageous embodiment of the claimed invention is an air cylinder (12) for a pneumatic fan drive system (10). The air cylinder (12) is comprised of a single-piece stamping, which is utilized for covering a piston (22) of the pneumatic fan drive system (10). This single-piece stamping has an e-coating (40) applied thereon for improving a surface finish of the single-piece stamping and inhibiting corrosion of said single-piece stamping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.