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2490823
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Information
Patent Grant
2490823
References
Source
Patent Number
2,490,823
Date Filed
Not available
Date Issued
Tuesday, December 13, 1949
74 years ago
CPC
F15B11/072 - Combined pneumatic-hydraulic systems
F15B2211/216 - the pressure sources being pneumatic-to-hydraulic converters
F15B2211/40515 - with variable throttles or orifices
F15B2211/411 - the positions being discrete
F15B2211/41527 - being connected to an output member and a directional control valve
F15B2211/421 - mechanically
F15B2211/46 - Control of flow in the return lin
US Classifications
091 - Motors: expansible chamber type
092 - Expansible chamber devices
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