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Patent Searching and Data


Title:
RADIAL BLOWER
Document Type and Number:
WIPO Patent Application WO/2019/197207
Kind Code:
A1
Abstract:
The invention relates to a radial blower, in particular for a cooling machine, comprising a housing (21) in which a shaft (17) is rotationally mounted, which receives at least one impeller wheel (16) of a compressor (27) at one end, which is secured to the housing (21), comprising at least one radial bearing (22) and at least one axial bearing (31) via which the shaft (17) is rotationally mounted in the housing (21), and comprising a motor (20) driven by a rotor (18) and a stator (19) and provided between the first and the second radial bearing (22, 23), wherein at least one channel (41) having a pressure connection (54) for a pressure medium to be supplied is provided in the housing (21), which channel feeds into a rotor space (46) formed between the shaft (17) and the housing (21) and extending from the impeller wheel (16) to the radial bearing (22, 23) or axial bearing (31), which is provided next to the impeller wheel (16).

Inventors:
LEHR, Andreas (Bachmatt 2c, 6313 Edlibach, 6313, CH)
BÜTIKOFER, Michael (Alte Dorfstrasse 20, 8910 Affoltern am Albis, 8910, CH)
MURI, David (Studenhof, 6010 Kriens, 6010, CH)
MAIER, Markus (Landhausstrasse 21/5801, 6340 Baar, 6340, CH)
Application Number:
EP2019/058234
Publication Date:
October 17, 2019
Filing Date:
April 02, 2019
Export Citation:
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Assignee:
TRUMPF SCHWEIZ AG (TRUMPF Strasse 8, 7214 Grüsch, 7214, CH)
International Classes:
F04D29/057; F04D29/051
Foreign References:
KR101847165B12018-04-09
US9732766B22017-08-15
DE102010001538A12011-08-04
JP2001123997A2001-05-08
DE102010001538A12011-08-04
Attorney, Agent or Firm:
PATENTANWÄLTE MAMMEL UND MASER (Tilsiter Str. 3, Sindelfingen, 71065, DE)
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