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On-Board Hydraulic Fluid Degasification System for a Hydraulic Hybrid Vehicle

Abstract: 

A fluid degasification system for a hydraulic circuit includes a gas/fluid separation tank, a fluid entry passage directing fluid into a small foam generating cup containing foam and a small amount of additional fluid, thereby stimulating foam formation. A separation screen is positioned below the foam generating cup to receive bubbles formed in the cup and to allow liquid to pass through the screen to a degasified-fluid collecting chamber below the screen as the bubbles resting on the separation screen decompose.

Patent Number: 
8,652,233
Date Of Issue: 
02/18/2014
Inventors: 

Dustin Kramer; David Williams; Sterling Imfeld