Title:
A piston pump provided with the flat inside of a proposal
Document Type and Number:
Japanese Patent JP6049692
Kind Code:
B2
Abstract:
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.
Inventors:
Abseile, Cardo
Application Number:
JP2014504372A
Publication Date:
December 21, 2016
Filing Date:
April 03, 2012
Export Citation:
Assignee:
Pulsar Technologies
International Classes:
F04B9/02; F04B13/00
Domestic Patent References:
| JP4504746A | ||||
| JP47894A1 |
Foreign References:
| US20050158191 |
Attorney, Agent or Firm:
Kokura Patent Office
Masaaki Ogura
Masaaki Ogura
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