Pulse counter
US11788915B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Apr 28, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L23/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Various embodiments of the teachings herein include a pulse counter for fluid pressure changes. The pulse counter may include: a first and a second housing part with a fluid passage; a circuit board at least partially enclosed within the housing, the circuit board comprising a light pulse transmitter and a light pulse receiver; a battery at least partially within the housing, the battery supplying electric power to the light pulse transmitter and the light pulse receiver; a rod slidably arranged within the housing, with one end of the rod within the fluid passage, and a second end arranged at least partly breaking a light pulse between the light pulse transmitter and the light pulse receiver; and a spring forcing the rod away from the light pulse and towards the fluid passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.