DEVICE FOR MOUNTING DIAPHRAGMS AND JET PUMP Russian patent published in 2003 - IPC

FIELD: mechanical engineering. SUBSTANCE: proposed device has body connected with pipe line and diaphragm with sealing members. Body has radial prismatic through hole intersecting central stepped threaded hole where diaphragm and special-purpose sub are fitted; they are secured by clamping bush having prismatic projections with hole over its outer surface; special-purpose sub connected with pipe line and stop is provided with diffuser of jet pump and diaphragm is provided with nozzle of said diffuser; device has also mixing chamber and suction chamber connected with branch pipe through radial passage; ball fitted in said branch pipes performs function of check valve ; besides that, body has threaded hole closed with plug for introduction of lubricant into threaded joint between body and clamping bush. EFFECT: enhanced reliability; simplified construction. 2 dwg