EP2042736A3 - Direct joint system for drive shaft-flexible rotor for self-priming pumps - Google Patents

Direct joint system for drive shaft-flexible rotor for self-priming pumps Download PDF

Info

Publication number
EP2042736A3
EP2042736A3 EP08015679A EP08015679A EP2042736A3 EP 2042736 A3 EP2042736 A3 EP 2042736A3 EP 08015679 A EP08015679 A EP 08015679A EP 08015679 A EP08015679 A EP 08015679A EP 2042736 A3 EP2042736 A3 EP 2042736A3
Authority
EP
European Patent Office
Prior art keywords
rotor
self
drive shaft
joint system
flexible rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08015679A
Other languages
German (de)
French (fr)
Other versions
EP2042736A2 (en
Inventor
Bruno Wolhfarth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bruno Wolhfarth Srl
Original Assignee
Bruno Wolhfarth Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bruno Wolhfarth Srl filed Critical Bruno Wolhfarth Srl
Publication of EP2042736A2 publication Critical patent/EP2042736A2/en
Publication of EP2042736A3 publication Critical patent/EP2042736A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C5/00—Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/02—Rubber

Abstract

The rotor (G), made up by an annular central body (C) provided externally with flexible radial blades (R) forming a sole body with said annular body, is characterized in that it includes, as integral part, means for the rotation coupling with the provided shaft end (A) for supporting the rotor (C) ; said means being machined in the shaft (A) and in the rotor (C); said means being obtained by total press-molding in a sole piece of the annular body and the flexible radial wings of the rotor (C).
According to a simple and economical embodiment said means are made up of a wall or rib (D) that crosses diametrally the rotor hole and that is engaged with a corresponding groove provided on the shaft end.
EP08015679A 2007-09-26 2008-09-05 Direct joint system for drive shaft-flexible rotor for self-priming pumps Withdrawn EP2042736A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20071849 ITMI20071849A1 (en) 2007-09-26 2007-09-26 DIRECT SHAFT TRIMMING SYSTEM FOR FLEXIBLE IMPELLANT TRAINING FOR SELF-PRIMING PUMPS

Publications (2)

Publication Number Publication Date
EP2042736A2 EP2042736A2 (en) 2009-04-01
EP2042736A3 true EP2042736A3 (en) 2011-08-10

Family

ID=40011341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08015679A Withdrawn EP2042736A3 (en) 2007-09-26 2008-09-05 Direct joint system for drive shaft-flexible rotor for self-priming pumps

Country Status (2)

Country Link
EP (1) EP2042736A3 (en)
IT (1) ITMI20071849A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7202200A (en) * 1971-12-07 1973-06-12
GB2201226A (en) * 1983-12-12 1988-08-24 Outboard Marine Corp Impeller and drive shaft for a fluid pump assembly
EP0334189A2 (en) * 1988-03-22 1989-09-27 BRUNO WOLHFARTH S.r.l. Flexible rotor for self priming pumps

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7202200A (en) * 1971-12-07 1973-06-12
GB2201226A (en) * 1983-12-12 1988-08-24 Outboard Marine Corp Impeller and drive shaft for a fluid pump assembly
EP0334189A2 (en) * 1988-03-22 1989-09-27 BRUNO WOLHFARTH S.r.l. Flexible rotor for self priming pumps

Also Published As

Publication number Publication date
ITMI20071849A1 (en) 2009-03-27
EP2042736A2 (en) 2009-04-01

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