Cylindrical liner for piston actuator
US9353775B2 · kind B2 · utility
6Cited by
17References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2012 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Mar 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49249
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are new types of hydraulic piston valve actuators wherein the piston is replaceable with different sized pistons. Further disclosed are parts of the piston interchange system resulting in the fewest number of parts changed between one piston diameter and another piston diameter. Methods of changing from one piston diameter to another piston diameter are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.