Conically shaped air-oil separator

A gas-liquid separator for mounting in a tank assembly;

• said separator comprising:
• (a) a mounting plate assembly including a flange portion;
• (b) an upstream coalescing stage layer;
• (i) said coalescing stage layer having a wide end attached to the mounting plate and a narrow end remote from the mounting plate;
• and,
• (c) a downstream drain stage layer;
• (i) said drain stage layer having a wide end attached to the mounting plate and a narrow end remote from the mounting plate;
• and
• (ii) said drain stage layer being surrounded by said coalescing stage layer;
• (A) each of said coalescing stage layer and said drain stage layer being selected from fiberglass, polyester, polypropylene and metal.

An assembly comprising:

• (a) a liquid reservoir tank assembly including:
• (i) a tank body having an open end;
• (A) an upper portion of the tank body forming a liquid separation chamber;
• (B) a lower portion of the tank body forming a liquid reservoir;
• (C) the tank body including an air inlet in said upper portion;
• (ii) a tank cover removably positioned to cover said open end in said tank body;
• (A) said tank cover including a gas outlet;
• and,
• (b) a gas-liquid separator removably mounted in said liquid reservoir tank assembly;
• said gas-liquid separator comprising:
• (i) a mounting plate assembly including a flange portion;
• (A) said flange portion being secured between said tank cover and said tank body;
• (ii) an upstream coalescing stage layer having a first end and a second end;
• and,
• (iii) a downstream drain stage layer having a first end and a second end;
• (A) said coalescing stage layer being positioned around the drain stage layer for outside-in air flow;
• (B) each of the downstream drain stage layer and the upstream coalescing stage layer having portions of frusto-conical shape;
• and,
• (C) said second end of the coalescing stage layer and said second end of the downstream drain stage layer being secured to the mounting plate assembly.