Piston pump comprising flat guiding

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United States of America Patent

PATENT NO 9732738
SERIAL NO

14111353

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Importance

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Abstract

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A pumping device includes a working chamber and a piston provided to slide in the working chamber so as to vary the useful volume of the chamber during pumping, and anti-rotation elements for the piston. Advantageously, the anti-rotation elements include an index (107) mounted radially with respect to the axis of the piston and the device includes a longitudinal slot (108), the index being provided so as to move in the slot. Advantageously, the index (107) has two approximately parallel planar faces that extend longitudinally.

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Patent Owner(s)

Patent OwnerAddress
TECAN TRADING AG8708 MÄNNEDORF

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abousaleh, Khaled Paris, FR 7 12

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