72312942
Oct 9, 1968
Feb 16, 1971
HYDRAULIC PUMPS OF BOTH FIXED DISPLACEMENT AND VARIABLE DISPLACEMENT TYPES; HYDRAULIC STARTERS, I.E., ROTARY HYDRAULIC MOTORS ADAPTED TO ACCELERATE ENGINES TO PRESCRIBED SPEEDS AND WHICH INCORPORATE OVERRUNNING CLUTCHES AND MAY ALSO INCORPORATE ONE OR MORE OF THE FOLLOWING PARTS: GEAR BOXES, DISPLACEMENT CONTROLS, CUT-OUT SWITCHES AND FLOW CONTROL VALVES; HYDRAULIC STARTER-PUMPS, I.E., HYDRAULIC UNITS ADAPTED TO BE BOTH A STARTER MOTOR AND A PUMP; HYDRAULIC MOTOR-PUMPS, I.E., ELECTRIC MOTOR-DRIVEN HYDRAULIC PUMPS; HYDRAULIC FLOW CONTROL VALVES USED FOR LIMITING THE RATE AT WHICH FLUID IS SUPPLIED TO HYDRAULIC STARTERS; AND HYDRAULIC STARTING SYSTEMS-NAMELY, COMBINATIONS OF COMPONENTS, INCLUDING HYDRAULIC STARTERS, WHICH CONSTITUTE SYSTEMS ADAPTED TO UTILIZE HYDRAULIC POWER FOR ACCELERATING ENGINES
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