Modular electrical assemblies with pressure relief

(19)

(11)

EP 0 335 480 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	31.01.1990 Bulletin 1990/05

(43)	Date of publication A2:
	04.10.1989 Bulletin 1989/40

(21)	Application number: 89300653.6

(22)	Date of filing: 24.01.1989

(51)	International Patent Classification (IPC)⁴: H01T 1/15, H01C 7/12

(84)	Designated Contracting States:
	CH DE FR GB LI SE

(30)

Priority:

31.03.1988 US 176317

(71)	Applicant: Hubbell Incorporated
	Orange Connecticut 06477 (US)

(72)	Inventor:
	Sakich, John David Wadsworth Ohio 44281 (US)

(74)	Representative: Dixon, Donald Cossar et al
	Gee & Co. Chancery House Chancery Lane London WC2A 1QU London WC2A 1QU (GB)

(56)

References cited: :

(54)	Modular electrical assemblies with pressure relief

(57) A modular electrical assembly (52) is enclosed in an elastomeric weathershed housing (58), and has a plurality of electrical components (60,62) aligned in a row and in electrical connection with one another via their axially-directed ends and under an axially-directed compressive force via a non-conductive filament winding (64). The filament winding (64) defines a crisscross pattern with lateral openings (128) for venting gas upon failure of one of the electrical components (60,62). The openings (128) can be filled with fracturable epoxy or other insulating materials (130) such as silicone grease.

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