EP 2697517 A1 20140219 - PROPELLER OF A PULSED AIRFLOW GENERATOR, IN PARTICULAR FOR A PORTABLE BLOWER
Title (en)
PROPELLER OF A PULSED AIRFLOW GENERATOR, IN PARTICULAR FOR A PORTABLE BLOWER
Title (de)
PROPELLER EINES IMPULSLUFTSTROMGENERATORS, INSBESONDERE FÜR EIN TRAGBARES GEBLÄSE
Title (fr)
HÉLICE DE GÉNÉRATEUR DE FLUX D'AIR PUISÉ, EN PARTICULIER POUR SOUFFLEUR PORTATIF.
Publication
Application
Priority
- FR 1101102 A 20110411
- FR 2012000128 W 20120405
Abstract (en)
[origin: WO2012140336A1] The invention relates to a propeller (1) of a pulsed airflow generator, in particular for a standalone portable blower, of the type made up of the assembly of two parts coaxially adjoining one another, i.e.: a first front part (2) made as a single piece and comprising a plurality of twisted blades (3) connected to a central ring (4), and a second rear part (5) with a generally conical shape also made as a single piece, the central portion (6) of said assembly having a conical shape and making up the rear portion of an air-inlet cone, said propeller being characterised in that said first front part and second rear part are secured by means of a clamping device (10) made up of a hub including two parts (11, 12) assembled coaxially and between which said two parts (2, 5) that make up the propeller (1) are clamped, said hub being rotatably secured to the latter and maintaining said front and rear parts in the assembled position thereof.
IPC 8 full level
F04D 29/02 (2006.01); F04D 29/32 (2006.01); F04D 29/38 (2006.01); F04D 29/64 (2006.01)
CPC (source: EP US)
F04D 29/023 (2013.01 - EP US); F04D 29/329 (2013.01 - EP US); F04D 29/34 (2013.01 - EP US); F04D 29/384 (2013.01 - US); F04D 29/388 (2013.01 - EP US); F04D 29/64 (2013.01 - US); F04D 29/646 (2013.01 - EP US); F05D 2230/23 (2013.01 - EP US); F05D 2300/12 (2013.01 - EP US); F05D 2300/43 (2013.01 - EP US)
Citation (search report)
See references of WO 2012140336A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
FR 2973847 A1 20121012; FR 2973847 B1 20151030; CN 103562559 A 20140205; CN 103562559 B 20160120; DK 2697517 T3 20160509; EP 2697517 A1 20140219; EP 2697517 B1 20160316; JP 2014510876 A 20140501; JP 5992503 B2 20160914; US 10001135 B2 20180619; US 2014105749 A1 20140417; WO 2012140336 A1 20121018
DOCDB simple family (application)
FR 1101102 A 20110411; CN 201280017164 A 20120405; DK 12721327 T 20120405; EP 12721327 A 20120405; FR 2012000128 W 20120405; JP 2014504368 A 20120405; US 201214110691 A 20120405