DEVICE TO TEST PRESSURE Russian patent published in 2002 - IPC

FIELD: instrumentation, test of pressure in large- sized and superlarge-sized tires. SUBSTANCE: device to test pressure has body and manometer. Body comes in the form of pipe union with centering belt arranged between threads. One end of pipe union is screwed on valve with control valve and foot of manometer is screwed into second end of pipe union so that valve with control valve and foot of manometer form sealed space in pipe union. Reinforced sealing ring interacting with centering belt of pipe union is located between valve and pipe union. Foot of manometer is sealed in pipe union with the use of sealing compound. Protective rubber jacket with separable cover is put on case of manometer on side of foot. EFFECT: simplified design of device, increased accuracy of measurement of pressure in tire, number of operations to test air pressure is reduced to minimum. 1 dwg