Micro piston pump
US12320341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2023 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Aug 7, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/109
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A low-force, non-displacement, micro/miniature valve and/or pump assembly is provided. A tube component having a first side port coupled to an inlet portion and a second side port coupled to an outlet portion can be selectively moved to alternatively couple the side ports to a first or second piston pump chamber. First and second pistons can be actuated after positioning the tube component to either draw in fluid or push out fluid from either the first or second piston pump chambers during each actuation of the pistons. The fluid can be drawn in from a reservoir and can be expelled to a patient for providing a dose of the fluid to the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.