EP 2360378 A3 20120905 - Noise reduction devices for blowers
Title (en)
Noise reduction devices for blowers
Title (de)
Rauschverringerungsvorrichtungen für Gebläse
Title (fr)
Dispositifs de réduction du bruit pour ventilateurs
Publication
Application
Priority
JP 2010029802 A 20100215
Abstract (en)
[origin: EP2360378A2] A noise reduction device (20; 30) for a Mower (1) includes a noise reduction member (20; 32, 33). The noise reduction member (20; 32, 33) has a noise reduction chamber (21; 32a, 33a) and a noise reduction hole (22; 32b, 33b) defined therein, so that a part of air Sowing into, through or out of the blower (1) can enter the noise reduction chamber (21; 32a, 33a) via the noise reduction hole (22; 32b, 33b).
IPC 8 full level
F04D 29/66 (2006.01); F01N 1/02 (2006.01); F04D 29/02 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01)
CPC (source: EP US)
E01H 1/0809 (2013.01 - EP); F04D 29/02 (2013.01 - US); F04D 29/023 (2013.01 - EP); F04D 29/4226 (2013.01 - EP US); F04D 29/626 (2013.01 - EP US); F04D 29/663 (2013.01 - EP US); F04D 29/665 (2013.01 - EP US)
Citation (search report)
- [X] DE 10112764 A1 20020919 - MANN & HUMMEL FILTER [DE]
- [X] WO 02057616 A1 20020725 - MAHLE FILTERSYSTEME GMBH [DE], et al
- [X] JP 2008138687 A 20080619 - MITSUI SHIPBUILDING ENG
- [X] GB 2237323 A 19910501 - COAL IND [GB]
- [X] EP 0573895 A1 19931215 - KUEHNLE KOPP KAUSCH AG [DE]
- [A] JP H06264838 A 19940920 - TOYODA GOSEI KK
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2360378 A2 20110824; EP 2360378 A3 20120905; EP 2360378 B1 20150610; CN 102162473 A 20110824; JP 2011163300 A 20110825; JP 5620690 B2 20141105; RU 2011105456 A 20120820; US 2011200426 A1 20110818
DOCDB simple family (application)
EP 11154387 A 20110214; CN 201110041340 A 20110214; JP 2010029802 A 20100215; RU 2011105456 A 20110214; US 201113024722 A 20110210