Reciprocating air motor
US5044254A · kind A · utility
7Cited by
5References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1991 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Feb 1, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D17/24
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A vibration cancellation device is provided for an air motor with a reciprocating drive piston. The device consists of an anti-phase piston which is axially aligned with the drive piston and reciprocates in the opposite direction of the drive piston. In one embodiment, the stroke of the anti-phase piston is adjustable to permit optimizing its vibration cancellation characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.