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12:56 Nov 28, 2000
English to German translations [PRO] Tech/Engineering
English term or phrase:oil pressure relief passage
Explanation: Talking about motors?
If so, the word you are looking for is
(no less than 4 nouns cramped together in this one! Aaah, German!)
ENTLÜFTUNG= relief passage
i.e. the passage coming up right from the crankshaft case, providing a relief passage for the hot, expanding oil.
hope, this is what you were looking for
native hobby car mechanic + dictionaries, of course
Explanation: Without further context, it's difficult to provide a meaningful suggestion.
"relief passage" has some very specific applications, in an automotive application (master cylinder check valve), it would be Drosselbohrung [Schmitt, Kfz-Technik]
High pressure oil at either end of the piston will push the relief ball valve off its seat and fill the relief passage with oil at high pressure. At the opposite end of the passage the relief ball valve is held against its seat and holds the high pressure in the relief passage. as the piston moves close to its limits of stroke, the adjustable relief plungers push the relief ball valve off its seat and the pressure is relieved. The distance the piston can move is dependent upon the total front axle/steering system geometry and tire size. The relief valve plungers are adjustable to allow for variations or changes in these areas. www.mutualwheel.com/steering/relief.htm
See also http://www.karcoma.com/files/prod.htm
which makes reference to a Drosselbohrung as part of the engine start ("Beim Startvorgang kann dabei ein Teil des in der Brennkammer des Zylinders befindliche Kraftstoff-Luft-Gemisches durch eine sogenannte Drosselbohrung im Dekompressionsventil entweichen.")
Lacking a more specific context, I'd suggest s.th. like Öldruckbegrenzungsbohrung or Öldruckentlastungsbohrung
pressure relief valve / Überdruckventil n, Druckbegrenzungsventil n
[Ernst, WB ind. Technik]