Title:
LONG-LIFE PUMP UNIT
Document Type and Number:
WIPO Patent Application WO2008009797
Kind Code:
B1
Abstract:
The pump unit according to the invention is formed by assembling a pump module (9) comprising a body having a cavity (10) forming a working chamber, a translationally mobile piston (15) engaging leaktightly in the cavity (10) via a seal (14), at least one channel (12, 13) formed in the body to connect the working chamber to a use circuit, a linear actuating module comprising an actuating member (3) that is translationally mobile coaxially with the piston (15), and a connecting and guiding module (18) for establishing a mechanical connection between the pump module (9) and the linear actuating module (2) and for precise guidance of the piston (15) coaxially with the seal.
Inventors:
ABOUSALEH KHALED (FR)
Application Number:
PCT/FR2007/001196
Publication Date:
April 24, 2008
Filing Date:
July 11, 2007
Export Citation:
Assignee:
PULSSAR TECHNOLOGIES (FR)
ABOUSALEH KHALED (FR)
ABOUSALEH KHALED (FR)
International Classes:
F04B53/14; F04B13/00; F04B53/22
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Previous Patent: WO/2008/009796
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