Radial piston pump

Details Radial piston pump Radial piston pump

2005-07-12

2005-07-12

Koczo, Michael (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

Condition responsive fluid control

C417S206000, C417S252000, C417S273000

Reexamination Certificate

active

06916158

ABSTRACT:
A piston pump including an inlet manifold, and outlet manifold, and a piston ring sandwiched between the inlet and outlet manifolds. The inlet manifold has a first face and a second face with at least one outlet formed in the second face. The outlet manifold has a first face and a second face, and includes at least one inlet formed in the outlet manifold first face. The piston ring has an inlet face and an exhaust face, wherein the piston ring is sandwiched between said inlet manifold second face and said outlet manifold first face, and has at least one radially extending cylinder formed therein. The piston ring further includes an inlet passageway formed in the piston ring between the inlet face and the cylinder and in fluid communication with the inlet manifold. The piston ring also has an exhaust passageway formed therein between said cylinder and the exhaust face and in fluid communication with the outlet manifold inlet. A piston is disposed in the cylinder for reciprocating movement, wherein reciprocating movement of the piston allows fluid into the cylinder through the inlet passageway and exhausts fluid out of the cylinder through the exhaust passageway.

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