Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vincent Ligneau0
Jean-Luc Boudou0
Date of Patent
July 21, 2009
Patent Application Number
10554460
Date Filed
March 4, 2004
Patent Primary Examiner
Patent abstract
The invention relates to a fluid distributor for a heavy-construction machine, comprising a body and a pressure-reducing means which is mounted in said body and comprises a pushrod arranged in a cavity of the body, a plunger being mounted in an oscillating manner. At least one guide in which the pushrod is displaced is immobilized in the cavity, a first seal and a second seal respectively ensuring the hydraulic sealing inside and outside the guide. Said guide comprises at least part of the upper guide and part of the lower guide which are nested inside each other and mutually define a recess facing the pushrod, the first seal being trapped in the recess.
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