EP 0191011 B1 19880608 - ELECTROPNEUMATIC SIGNAL CONVERTER
Title (en)
ELECTROPNEUMATIC SIGNAL CONVERTER
Publication
Application
Priority
AT 37185 A 19850208
Abstract (en)
[origin: US4625139A] An electro-pneumatic signal converter is provided with a piezo-electric bending element (3) disposed in a sealed transmitter casing (1) from which a signal output (4) issues. It controls a pneumatic signal transmitter which consists of an air inlet seating (5) and an air outlet seating (6) provided opposite each other in the transmitter casing (1). The piezo-electric bending element (3) is pretensioned against the air inlet seating (5) by a spring. In order to improve its retention and guiding, the piezo-electric bending element (3) is disposed in a chamber (2) which closely surrounds it in the transmitter casing (1), in which support zones (14, 16) spaced-apart in the axial direction are provided for the bending element (3), and in addition the piezo-electric bending element (3) is retained and urged against the support zones (14, 16) by a guide spring (7) fixed in the transmitter casing (1).
IPC 1-7
IPC 8 full level
F15B 5/00 (2006.01); G01D 5/42 (2006.01); H01L 41/00 (2013.01); H02N 2/04 (2006.01)
CPC (source: EP US)
F15B 5/003 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
EP 0191011 A1 19860813; EP 0191011 B1 19880608; AT 382431 B 19870225; AT A37185 A 19860715; DE 3660291 D1 19880714; ES 551747 A0 19871101; ES 8800561 A1 19871101; JP H0578683 B2 19931029; JP S61228103 A 19861011; US 4625139 A 19861125
DOCDB simple family (application)
EP 86890017 A 19860203; AT 37185 A 19850208; DE 3660291 T 19860203; ES 551747 A 19860207; JP 2425586 A 19860207; US 82658986 A 19860206