Accumulator bore repair kit and replacement pistons
US8671569B1 · kind B1 · utility
3Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2010 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Nov 22, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53617
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cleaning and piston replacement kit for an accumulator of a vehicle transmission which includes a brush for cleaning, reconditioning and polishing worn accumulator bores and replacement pistons each of which includes a pair of sealing rings for supporting and spacing the replacement pistons from the accumulator bores to thereby prevent scrapping of the walls of the bores by movement of the pistons within the bores and a method of reconditioning the accumulator bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.