Pneumatically powerable double acting positive displacement fluid pump
US4354806A · kind A · utility
26Cited by
9References
27Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 13, 1981 |
| Grant date | Oct 19, 1982 |
| Priority date | — |
| Expiry date | Aug 13, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F23/23762
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A double acting positive displacement pump has first and second opposed cylinders, an elongate piston rod connected to cylinder pistons, a plurality of tie rods fastening the cylinders together, spacers on the tie rods and between the cylinders, a control cradle mounted on the tie rods and fixed in position by slots in the spacers, a propellant gas control valve on the cradle, and a valve actuator on the cradle and operatively connected to the piston rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.