PRESSURE RELAY Russian patent published in 1997 - IPC

FIELD: instruments, in particular, pressure gages for remote control systems, primarily for control of mobile objects subject to heavy impacts. SUBSTANCE: device has housing 1 in which two aneroid chambers are mounted. Said chambers are shaped by diaphragms 2 and 3 and 4 and 5, which are sensitive elements. Mobile centers of diaphragms 3 and 4 which are directed to each other, mobile contacts 7 and 8 are located. Double-side immobile contact 10 is located in coffer dam 9 of housing 1 between mobile contacts 7 and 8 in coaxial; contact surfaces of immobile contact 10 are directed to mobile contacts 7 and 8, which are connected to output terminals 11 and 12 through diaphragms 3 and 4. Immobile contact 10 is connected to terminal 20. In addition redundant mobile contacts 14 and redundant immobile contacts 15 are located in housing 1 on side of diaphragms 2 and 5 which are directed outside. EFFECT: increased reliability. 2 cl, 2 dwg