Dual plunger pump system

Two plungers in the dual plunger pumps are selectively operated by either short-stroke cams or long-stroke cams which are disposed on a rotary drive shaft. When rotating the rotary drive shaft in one direction, the long-stroke cams are driven to operate the plungers with a large stroke. When the dri...

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Bibliographic Details
Main Author SANUKI; SANNOSUKE
Format Patent
LanguageEnglish
Published 06.04.1993
Subjects
BLASTING
HEATING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIGHTING
MEASURING
MECHANICAL ENGINEERING
PHYSICS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
TESTING
WEAPONS
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Summary:Two plungers in the dual plunger pumps are selectively operated by either short-stroke cams or long-stroke cams which are disposed on a rotary drive shaft. When rotating the rotary drive shaft in one direction, the long-stroke cams are driven to operate the plungers with a large stroke. When the drive shaft rotates in the reverse direction, the long-stroke cams run idle by way of a one-way clutch disposed between the drive shaft and the long-stroke cams, while the short-stroke cams are driven to operate the plungers with a small stroke.
Bibliography:Application Number: US19920845318