Three-phase high voltage cable arrangement having cross-bonded cable screens and cross-bonded water sensing wires
CA 2404667 A1 · Owner: Pirelli Kabel Und Systeme Gmbh · Inventors: Goehlich, Lothar; Fricke, Winfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a cable arrangement (CA) where three cables (L1 L2, L3) have at least two cross-bonding locations (SCB) when transmitting power between a first location (A) and a second location (B). At the cross-bonding location (CBL) not only the screens (51L 52L, 53L; 51R, 52R, 53R) but also , the water sensing wires (71L 72L, 73L; 71R, 72R, 73R) are cross-bonded in cross-bonding devices (WCBD, SCBD). Thus voltage differences between the , water sensing wires and the screens of the respective cables in the threephase system can be avoided. The invention finds particular application in high power transmission systems using high voltage cables.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 29, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 29, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.