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2289783
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Information
Patent Grant
2289783
References
Source
Patent Number
2,289,783
Date Filed
Not available
Date Issued
Tuesday, July 14, 1942
82 years ago
CPC
B66F7/18 - by a single central jack
F15B11/072 - Combined pneumatic-hydraulic systems
F16K11/165 - with the rotating spindles parallel to the closure members
F15B2211/20576 - with multiple pumps
F15B2211/216 - the pressure sources being pneumatic-to-hydraulic converters
F15B2211/40515 - with variable throttles or orifices
F15B2211/421 - mechanically
F15B2211/6355 - having valve means
Y10T137/3127 - With gas maintenance or application
Y10T137/86839 - Four port reversing valves
Y10T137/87064 - Oppositely movable cam surfaces
Y10T137/87241 - Biased closed
US Classifications
137 - Fluid handling
251 - Valves and valve actuation
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