Valve arrangements for reciprocating piston machines
US4023349A · kind A · utility
2Cited by
6References
14Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1975 |
| Grant date | May 17, 1977 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01L9/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pneumatically actuated valve for controlling the flow of fluid from an inlet passage to the cylinder of a reciprocating piston machine wherein the valve is opened by the fluid pressure in the cylinder as the piston approaches top dead center and closed by fluid pressure from the cylinder supplied to the top of a plunger connected to the end of the valve stem when the piston is preselected distance below top dead center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.