Main coolant pump

Details Main coolant pump Main coolant pump

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/62 (2006.01)

Patent

CA 2698478

The invention relates to an engine pump assembly (1), in particular a main coolant pump, composed of a housing (4) of a rotary pump with delivery means arranged therein, a heat barrier part (6), a motor part (5) which drives the delivery means, and force- transmitting connecting elements (7) between a housing flange (8) of the housing (4) of the rotary pump and a flange (21) of the engine part (5). For faster and reliable assembly and disassembly, the housing flange (8) is provided, over at least half of the periphery, with receptacles (12) for the arrangement of screw heads (13, 15) of the connecting means (7), which screw heads (13, 15) are held in a bayonet-like manner in said receptacles (12).

L'invention concerne un ensemble motopompe (1), notamment une pompe de refroidissement primaire, comprenant : un carter (4) de pompe centrifuge, dans lequel sont disposés des moyens de refoulement ; une partie formant barrière thermique (6) ; une partie moteur (5) entraînant les moyens de refoulement ; et des moyens de liaison (7) transmetteurs de force entre une bride (8) du carter (4) de la pompe centrifuge et une bride (21) de la partie moteur (5). L'invention vise un montage et un démontage plus rapides et plus fiables. A cet effet, la bride de carter (8) est pourvue, sur au moins la moitié de sa circonférence, de logements (12) pour des têtes de vis (13, 15) des moyens de liaison (7) qui y sont maintenues à la manière d'une baïonnette.

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