Pump with pneumatic motor

Details Pump with pneumatic motor Pump with pneumatic motor

2005-08-02

2005-08-02

Mar, Michael (Department: 3754)

Dispensing

With discharge assistant

Plural

C222S334000, C417S553000, C092S18100P

Reexamination Certificate

active

06923348

ABSTRACT:
A pump having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke. A fluid dispenser is driven by the plunger between a charge position for charging a dispensing chamber with fluid and a discharge position for discharging fluid.

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