Patents
US 12768468 B2: Solenoid valve monitor using hall effect sensors
- Granted
- 2026-10-20
- Filed
- 2022-10-13 application 18697864
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed are systems and methods for detecting a malfunction in an automated analyzer. The systems and methods may include receiving a signal from a sensor (116), such as a Hall effect sensor located proximate a coil (104) of a solenoid valve (100). The signal from the sensor may be correlated to a magnetic flux or change in the magnetic flux generated as a plunger (102) of the solenoid valve is drawn into the coil when the coil is energized. Deviations in the signal from a reference may indicated a malfunction of the solenoid valve. Upon detecting a malfunction, a pre-failure status may be determined.
Source: PTBLXML, file of 2026-10-20 (ipgb20261020.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Beckman Coulter, Inc. 400 patents | US company or organization | Brea, CA | BECKMAN COULTER INC SEC filer EXACT medium confidence: identical full name, one of each nationally | PTBLXML, file of 2026-10-20 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Masayuki Osako | Shizuoka Prefecture, JP | PTBLXML, file of 2026-10-20 | ||
| Noriyuki Ito | Shizuoka Prefecture, JP | PTBLXML, file of 2026-10-20 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16K | Valves; taps; cocks; actuating-floats; devices for venting or aerating | F16K37/0083 | PTBLXML, file of 2026-10-20 |
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N35/00623 | PTBLXML, file of 2026-10-20 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.