Global Patent Index - EP 3235107 A2

EP 3235107 A2 2017-10-25 - ELECTRIC MACHINE

Title (en)

ELECTRIC MACHINE

Title (de)

ELEKTRISCHE MASCHINE

Title (fr)

MACHINE ÉLECTRIQUE

Publication

EP 3235107 A2 (FR)

Application

EP 15823352 A

Priority

  • FR 1462972 A
  • FR 2015053486 W

Abstract (en)

[origin: WO2016097565A2] The electric machine comprises a stator (102) and a rotor (110), the stator (102) comprising pairs of stator teeth (108A...108D) and the rotor (110) comprising at least one pair of rotor teeth (114A, 114B). The rotor teeth (114A, 114B) are at a maximum distance with respect to the axis of rotation (O), referred to as the tooth height (hmax), and are separated from one another by slots which are at a minimum distance from the axis of rotation (O), referred to as the inter-tooth height (hmin), equivalent at most to 65% of the tooth height (hmax). The front face (116A, 116B) of each rotor tooth (114A, 114B) has a transverse profile that is convex in a circle, referred to as the rotor circle (CR), having a centre, known as the rotor centre (ΟR). The front face (110A...110D) of each stator tooth (108A...108D) has a transverse profile that is concave in a circle, referred to as the stator circle (CS), having a centre, referred to as the stator centre (OS), and when a rotor tooth (114A, 114B) is aligned with a stator tooth (108A...108D), the rotor centre (CR) is offset from the stator centre (CS) by an offset (d) in the direction of the front face (116A, 116B) of the rotor tooth (114A, 114B).

IPC 8 full level (invention and additional information)

H02K 1/24 (2006.01); H02K 19/10 (2006.01); H02K 29/03 (2006.01)

CPC (invention and additional information)

H02K 1/246 (2013.01); H02K 19/103 (2013.01); H02K 29/03 (2013.01); H02K 2201/03 (2013.01); H02K 2213/03 (2013.01)

Citation (search report)

See references of WO 2016097565A3

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

EPO simple patent family

WO 2016097565 A2 20160623; WO 2016097565 A3 20160818; EP 3235107 A2 20171025; FR 3030925 A1 20160624; FR 3030925 B1 20180413

INPADOC legal status


2018-03-28 [DAV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT (IN ANY COUNTRY) (DELETED)

2018-03-28 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2017-10-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20170620

2017-10-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): 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

2017-10-25 [AV] REQUEST FOR VALIDATION OF THE EUROPEAN PATENT IN:

- Countries: MA MD

2017-10-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: BA ME