Pressure fluid mechanism provided with special balancing enclosures
US5261318A · kind A · utility
4Cited by
2References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1992 |
| Grant date | Nov 16, 1993 |
| Priority date | — |
| Expiry date | Aug 3, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03C1/045
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a mechanism comprising: a cam; cylinders; pistons; two main enclosures containing feed fluid and exhaust fluid; a fluid distributor; and balancing enclosures communicating with distribution ducts included in the distributor. According to the invention, the distributor includes a face facing a reaction face secured to the cam or to the cylinder block, the balancing enclosures being constituted by chambers that open out into said end face and by a sealing device received inside the chamber and bearing against the reaction face. One application lies in providing a range of compact motors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.