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3643432
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Information
Patent Grant
3643432
References
Source
Patent Number
3,643,432
Date Filed
Not available
Date Issued
Tuesday, February 22, 1972
52 years ago
CPC
F01B17/02 - Engines
F01B17/00 - Reciprocating-piston machines or engines characterised by use of uniflow principle
F01L25/063 - the auxiliary valve being actuated by the working motor-piston or piston-rod
F04B9/1273 - with actuation in the other direction by gravity
F04B47/04 - the driving means incorporating fluid means
Y10S417/904 - Well pump driven by fluid motor mounted above ground
US Classifications
060 - Power plants
091 - Motors: expansible chamber type
092 - Expansible chamber devices
417 - Pumps
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