Pumps – Motor driven – Fluid motor
Patent
1993-10-13
1995-11-28
Bertsch, Richard A.
Pumps
Motor driven
Fluid motor
417393, 417395, 417 46, 91341R, 91348, F04B 3502
Patent
active
054702097
ABSTRACT:
A fluid pumping system comprises a reciprocable pump having a reciprocable member. A valving system controls the supply of fluid under pressure to the reciprocable member to bring about reciprocation of the member. In order to provide a much more compact unit, the valving system is arranged to be offset radially from the reciprocable member, yet is drivingly connected to the reciprocable member through a unique mechanism so that the valving system may switch states responsive to the stroke travel of the reciprocable member.
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Flojet Corporation, Installation, operation & service instructions for Model 5000 Beverage Pump.
Hartley E. Dale
Hartley F. Scott
Bertsch Richard A.
Freay Charles G.
Shurflo Pump Manufacturing Co.
Uxa Frank J.
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