Pressure switch
US6429548B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2000 |
| Grant date | Aug 6, 2002 |
| Priority date | — |
| Expiry date | Feb 16, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF15B11/028
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure switch is described with a pressure connection (11), with an electrical pressure sensor (19) to generate a pressure-dependent electrical signal, with an operator-device and/or an adjusting device (16-18) to input at least one pressure switch threshold and with at least one electrical switch output (16-18) [sic; 13,14]. The pressure switch can be adjusted by operation of the operator device (16-18) in such a manner that the electrical signal corresponding to the instantaneously applied pressure (p) is saved as the first saved pressure value (S1) and the electrical signal corresponding to a pressure (p) applied temporally thereafter, is saved as a second saved pressure value (S2), where these two saved pressure values (S1, S2) define the pressure switching threshold(s) in the operating mode. Thus, the saved pressure values can be specified very easily and in a variable manner and saved, and a great variability of operating modes is possible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.