EP 0191398 B1 19890503 - OIL-FILLED TAP CHANGER ASSEMBLY WITH OIL EXPANSION VESSEL
Title (en)
OIL-FILLED TAP CHANGER ASSEMBLY WITH OIL EXPANSION VESSEL
Publication
Application
Priority
DE 3504916 A 19850213
Abstract (en)
[origin: EP0191398A1] 1. Oil-filled built-in tap switch with separately arranged individual oil expansion vessel, characterized thereby, that the oil expansion vessel (7) corresponds approximately to the outline (2) of the tap switch head (1), is arranged above the tap switch head and connected with the tap switch head by means of a short pipe stub (5), that the pipe stub (5) opens into an upwardly extending channel (8) of the oil expansion vessel (7), wherein the channel (8) displays about the same cross-section as the pipe stub and is closed outwardly by means of a pressure relief equipment (9) at its upper end, and that a substantially horizontally extending oil flow duct (11), which contains an oil flow relay (12) and opens into the actual oil expansion volume of the expansion vessel (7), is connected to the channel (8) below the minimum oil level (10) of the oil expansion vessel (7).
IPC 1-7
IPC 8 full level
H01F 27/14 (2006.01); H01F 29/02 (2006.01); H01H 33/55 (2006.01); H01H 33/575 (2006.01)
CPC (source: EP)
H01F 27/14 (2013.01); H01F 29/025 (2013.01)
Designated contracting state (EPC)
BE DE FR SE
DOCDB simple family (publication)
EP 0191398 A1 19860820; EP 0191398 B1 19890503; DE 3504916 A1 19860814; DE 3504916 C2 19870319; DE 3663210 D1 19890608; JP H0656817 B2 19940727; JP S61187313 A 19860821
DOCDB simple family (application)
EP 86101405 A 19860204; DE 3504916 A 19850213; DE 3663210 T 19860204; JP 2701486 A 19860212