STATOR OF AN ELECTRIC MOTOR FOR DRIVING A REFRIGERANT COMPRESSOR

Title:

STATOR OF AN ELECTRIC MOTOR FOR DRIVING A REFRIGERANT COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2023/033451

Kind Code:

A1

Abstract:

The invention refers to a stator (1) of an electric motor for driving a refrigerant compressor, comprising - a stator core (3) having a substantially hollow-cylindrically shaped stator yoke having coil webs arranged uniformly distributed on its inner side along its circumference and directed radially inwards with respect to its cross section, wherein conductor wires are wound around the coil webs to create coils which are divided into at least three phases, and wherein a base insulation (5) is formed between the stator core and the wound coils, and wherein each of the wound coils or, if several of the coils are connected in series in a coil strand, each coil strand has two wire ends (6a, 6b) projecting the base insulation (5) of the stator (1) in the axial direction relative to the cylinder axis of the stator yoke, and - a coil connecting device (2) with a base plate (8) as a support element for connecting elements, a first connecting element installed on the base plate (8), which is linked via connection elements (12) to a first wire end (6a) of each coil (4) or each coil strand and thus connects all coils (4) or coil strands to each other, and further connecting elements installed on the base plate (8), each having connection elements (13.1; 13.2; 13.3), which are linked to second wire ends (6b) of the coils or coil strands of a phase (4.1; 4.2; 4.3) and thus connect all coils or coil strands of this phase (4.1; 4.2; 4.3) to each other, the coil connecting device (2) being linked on the wire ends (6a, 6b) of the wound coils (4) or coil strands in such a way that a gap (7) remains between the base insulation (5) and the coil connecting device (2).

Inventors:

WALISKO DAVID (DE)
GUNTERMANN BERND (DE)
HAAG MICHAEL (DE)

Application Number:

PCT/KR2022/012687

Publication Date:

March 09, 2023

Filing Date:

August 24, 2022

Export Citation:

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Assignee:

HANON SYSTEMS (KR)

International Classes:

H02K3/50; H02K3/52

Foreign References:

US20070278876A1	2007-12-06
US20140015349A1	2014-01-16
US20130264899A1	2013-10-10
US20120286593A1	2012-11-15
JP6033582B2	2016-11-30