Fluid discharge apparatus and fluid discharge method
US6565333B2 · kind B2 · utility
14Cited by
9References
42Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2001 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jul 9, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B19/006
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A positive displacement pump is composed of a first actuator for relatively moving a piston and a housing, a cylinder for accommodating the piston, and a second actuator for relatively moving the cylinder and the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.