EP 0884483 B1 20030813 - Differential pressure switch
Title (en)
Differential pressure switch
Title (de)
Differenzdruckschalter
Title (fr)
Interrupteur actionné par pression différentielle
Publication
Application
Priority
DE 29710128 U 19970610
Abstract (en)
[origin: EP0884483A1] The valve (G) has an electric switch (G) for monitoring the clamp pressure, with a housing bore (25) receiving a piston device displaced axially relative to a switch operating element (28). The piston device has a pair of different size surfaces (A2,A1) acted on by a reference pressure representing the actual pressure and a pre-control pressure determining the required clamp pressure, respectively. The piston is also acted on by a spring (23) in the direction of the reference pressure.
IPC 1-7
IPC 8 full level
F15B 11/028 (2006.01); H01H 35/38 (2006.01)
CPC (source: EP)
F15B 11/028 (2013.01); H01H 35/38 (2013.01); F15B 2211/20538 (2013.01); F15B 2211/20592 (2013.01); F15B 2211/212 (2013.01); F15B 2211/30505 (2013.01); F15B 2211/30525 (2013.01); F15B 2211/3057 (2013.01); F15B 2211/3111 (2013.01); F15B 2211/327 (2013.01); F15B 2211/40515 (2013.01); F15B 2211/411 (2013.01); F15B 2211/41509 (2013.01); F15B 2211/426 (2013.01); F15B 2211/45 (2013.01); F15B 2211/50536 (2013.01); F15B 2211/50554 (2013.01); F15B 2211/5151 (2013.01); F15B 2211/528 (2013.01); F15B 2211/55 (2013.01); F15B 2211/6051 (2013.01); F15B 2211/615 (2013.01); F15B 2211/625 (2013.01); F15B 2211/6309 (2013.01); F15B 2211/6313 (2013.01); F15B 2211/6355 (2013.01); F15B 2211/7052 (2013.01); F15B 2211/7053 (2013.01); F15B 2211/76 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0884483 A1 19981216; EP 0884483 B1 20030813; AT E247233 T1 20030815; DE 29710128 U1 19970814; DE 59809258 D1 20030918
DOCDB simple family (application)
EP 98107635 A 19980427; AT 98107635 T 19980427; DE 29710128 U 19970610; DE 59809258 T 19980427