Global Patent Index - EP 0369435 A3

EP 0369435 A3 19901219 - INSULATION FOR REVOLVING-ARMATURE COIL

Title (en)

INSULATION FOR REVOLVING-ARMATURE COIL

Publication

EP 0369435 A3 19901219 (EN)

Application

EP 89121156 A 19891115

Priority

JP 28666188 A 19881115

Abstract (en)

[origin: EP0369435A2] An insulation structure for revolving-armature coil, according to the present invention, principally uses a polyimide file tape or sheet as at least a part of element wire insulation and insulation to the earth. The tape or sheet is formed of a polyimide composition generally expressed by the following formula: <CHEM> Synthetic resin compound containing polyimide resin and epoxy resin as principal material and an acid anhydride type hardening agent is impregnated and hardened.

IPC 1-7

H01B 3/30

IPC 8 full level

C08L 79/08 (2006.01); C08G 59/00 (2006.01); C08G 59/18 (2006.01); C08L 63/00 (2006.01); H01B 3/30 (2006.01); H01B 3/40 (2006.01); H01B 17/60 (2006.01); H02K 3/30 (2006.01); H02K 3/32 (2006.01)

CPC (source: EP KR)

H01B 3/306 (2013.01 - EP); H01B 3/38 (2013.01 - KR); H01B 3/40 (2013.01 - EP)

Citation (search report)

  • [A] FR 2542752 A1 19840921 - AVCO CORP [US]
  • [A] DATABASE WPI, AN=80-50857C, Derwent Publications Ltd, London, GB; & JP-A-55 074 110 (MATSUSHITA ELEC. IND. K.K.) 05-06-1980
  • [A] DATABASE WPIL, AN=85-071837, Derwent Publications Ltd, London, GB; & JP-A-60 026 426 (MITSUBISHI ELECTRIC CORP.) 09-02-1985
  • [A] DATABASE WPIL, AN=88-333385, Derwent Publications Ltd, London, GB; & JP-A-63 245 429 (MITSUBISHI PETROCH. K.K.) 12-10-1988
  • [A] LE JOURNAL DE L'EQUIPMENT ELECTRIQUE ET ELECTRONIQUE, no. 477, March 1982, pages 45-47, Paris, FR; "Emploi du film polyimide pour l'isolation des films de bobinage et des conducteurs des moteurs électriques"

Designated contracting state (EPC)

DE FR GB SE

DOCDB simple family (publication)

EP 0369435 A2 19900523; EP 0369435 A3 19901219; JP 2699475 B2 19980119; JP H02136046 A 19900524; KR 900008539 A 19900604

DOCDB simple family (application)

EP 89121156 A 19891115; JP 28666188 A 19881115; KR 890016645 A 19891115