English to Portuguese translations [PRO] Tech/Engineering - Mechanics / Mech Engineering | | English term or phrase: gear-within-a-gear | ........when XXXX invented the gear-within-a-gear pumping principle to remove water from a rock quarry.
Any suggestions on this expression ??? |
| | | Selected response from: Marcelo Gonçalves Local time: 14:11
| Grading comment Muito obrigada 4 KudoZ points were awarded for this answer |
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| Discussion entries: 0 |
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1 hr confidence:  
8 hrs confidence: peer agreement (net): +2 (princípio da rotação livre de uma) engrenagem interna dentro de uma engrenagem externa
Explanation: É o princípio das Bomba Viking.
Daniele, veja um link em espanhol e sua explicação:
http://www.atdl.org/images/upload/comunicados/articulos/Sist...
-------------------------------------------------- Note added at 8 hrs (2008-01-31 12:46:19 GMT) --------------------------------------------------
Viking Pump has provided custom designed pumps to end-users and OEM's since its first pump in 1911, when Viking invented the "gear-within-a-gear" pumping principle to remove water from a rock quarry. Today, enabled by Viking's engineering staff, extensive applications experience, and in-house foundries, Viking develops custom solutions for OEM's
| Marcelo Gonçalves Local time: 14:11 Specializes in field Native speaker of: Portuguese PRO pts in category: 44
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1 day11 hrs confidence: 
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