Breast pump system
US9724453B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2013 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Jun 26, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B2203/0402
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A breast pump system comprising a solenoid valve includes a power source that is arranged to supply electrical power to the solenoid valve so as enable the solenoid valve to move between first and second positions. The breast pump system also includes a controller configured to detect a change in inductance of the solenoid valve that is indicative of the solenoid valve moving from first to second position and a control action in which the vacuum pump is stopped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.