Pressure switching device

Details Pressure switching device Pressure switching device

1997-09-15

1999-11-09

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

307118, 307144, 73700, 1231465C, 200 81R, 340626, H01H 3524

Patent

active

059820470

ABSTRACT:
The invention relates to a pressure switching device of the type used in motor vehicles and includes a pressure sensor 21 arranged in a housing 3, which generates an electrical signal U according to the pressure p of a pressure medium or monitored fluid transmitted through a supply opening 15 of housing 3. The pressure switching devices includes an interpretation and switching unit 55 adapted to received the electrical sensor signal U and is further adapted to compare the sensor signal with at least one switching threshold value to trigger a switching function or a sequence of switching functions upon the electrical sensor signal exceeding and/or falling short of the switching threshold value.

REFERENCES:
patent: 3646811 (1972-03-01), DeLeo et al.
patent: 3789338 (1974-01-01), Szeverenyi et al.
patent: 4117724 (1978-10-01), Cook
patent: 4211119 (1980-07-01), Wolber
patent: 4396466 (1983-08-01), Hetrick et al.
von Dipl.--Ing. Gerhard Berge, "Druckmesstechnik--Neue Moglichkeiten Durch Kombination Innovativer Techniken," 118 Messen Prufen Automatisieren, Bad Worishofen, DE, No. 5, May 1989, pp. 218-222.
"Verschleissfreier Druckschalter", 449 F&M Feinwerktechnik&Messtechnik, 102, Munchen, DE, No. 4, Apr. 1994, p. 186.

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