Pump-flange assembly process

A pump-flange assembly process comprising the steps of: providing a pump 10 with a pump nose 10.1; providing a flange 12 with first 12.1 and second 12.2 surfaces connected via a through-hole 14 defining a hole axis X. Such that the first and second surfaces face in opposite directions X1, X2. Wherei...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ovidiu Farfulea, Christophe Tapin
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A pump-flange assembly process comprising the steps of: providing a pump 10 with a pump nose 10.1; providing a flange 12 with first 12.1 and second 12.2 surfaces connected via a through-hole 14 defining a hole axis X. Such that the first and second surfaces face in opposite directions X1, X2. Wherein the flange 12 is pre-deformed (curved) along the hole axis X, such that the surfaces diverge towards the first direction X1 as their distance from the hole axis X increases, inserting the pump nose through the flange hole from the first direction X1 towards the second direction X2; and welding the flange onto the pump from the second direction X2, whereby the surfaces 12.1, 12.2 of the flange then diverge towards the second direction X2. The process controls the curvature/flatness of the flange which may be subject to welding distortion that causes the flange to curve towards the side of the weld.