Double acting two stage integrated pump
US11300110B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2017 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Feb 7, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A piston type pump includes a pump housing having at least one pump inlet, at least one pump outlet, and a piston arrangement connected to a drive shaft configured to, when driven, set the piston arrangement into movement. The piston arrangement includes a first primary stage piston, the first primary stage piston being slidably seated in a first primary stage cylinder formed in the pump housing, and a first secondary stage piston. The first secondary stage piston is slidably seated in a first secondary stage cylinder formed in the first primary stage piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.