MULTIFUNCTIONAL SUPPORT PLATE FOR ROTARY PUMPS, PARTICULARLY, THOSE FOR CIRCULATION BOILERS Russian patent published in 2014 - IPC F04D29/40 F04D13/06 

FIELD: engines and pumps.

SUBSTANCE: lower cap 1 for electrically driven rotary forced circulation pump 100 accommodated in boiler with integral system of internal condensate removal, is extremely simple in assembly and use. It comprises bowl-like engine cover 2. Besides, it has connection bore 21 and is adapted for coupling with electric pump box-like case end to close it. Also, it has retaining cover 3 to house electric connectors and to be connected as-assembled to said connection bore 21 and retainers 30. Said retainers serve to fix at least one connector 300 at preset position for connection to pump 100. Cap 1 has internal vent channel 4 to allow circulation of air heated at pump 100 operation and to prevent condensate formation inside said cap 1. Channel 4 extends between at least one inlet 22 at cover 2 and outlet 36, both crossing inner chamber of cover 2, bore 21 and labyrinth 32 composed by retainer cover 3.

EFFECT: perfected design.

10 cl, 9 dwg